Indian numbering system

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Template:Short description Template:More citations needed Template:Contains special charactersTemplate:Use dmy dates The Indian numbering system is used in India, Pakistan, Nepal, Sri Lanka, and Bangladesh to express large numbers, which differs from the International System of Units. Commonly used quantities include lakh (one hundred thousand) and crore (ten million) Template:Endash written as 1,00,000 and 1,00,00,000 respectively in some locales.[1] For example: 150,000 rupees is "1.5 lakh rupees" which can be written as "1,50,000 rupees", and 30,000,000 (thirty million) rupees is referred to as "3 crore rupees" which can be written as "3,00,00,000 rupees".

There are names for numbers larger than crore, but they are less commonly used. These include arab (100 crore, 109), kharab (100 arab, 1011), nil or sometimes transliterated as neel (100 kharab, 1013), padma (100 nil, 1015), shankh (100 padma, 1017), and mahashankh (100 shankh, 1019). In common parlance (though inconsistent), the lakh and crore terminology repeats for larger numbers. Thus lakh crore is 1012.

In the ancient Indian system, still in use in regional languages of India, there are words for (1062). These names respectively starting at 1000 are sahasra, ayuta, laksha, niyuta, koti, arbhudha, abhja, karva, nikarva, mahapadma, shanmkhu, jaladhi, amtya, madhya, paraardha. In the Indian system, now prevalent in the northern parts,Template:Clarify the next powers of ten are one lakh, ten lakh, one crore, ten crore, one arab (or one hundred crore), and so on.

Multiples

The Indian system is decimal (base-10), same as in the International System of Units, and the first five orders of magnitude are named in a similar way: one (100), ten (101), one hundred (102), one thousand (103), and ten thousand (104). For higher powers of ten, naming diverges. The Indian system uses names for every second power of ten: lakh (105), crore (107), arab (109), kharab (1011), etc. In the rest of the world, long and short scales, there are names for every third power of ten. The short scale uses million (106), billion (109), trillion (1012), etc.

Decimal formatting

The Indian system groups digits of a large decimal representation differently than the International System of Units. The Indian system does group the first three digits to the left of the decimal point, but thereafter, groups by two digits to align with the naming of quantities at multiples of 100.[2]

Indian Rest of the world
5,00,000 500,000
12,34,56,789 123,456,789
17,00,00,00,000 17,000,000,000
6,78,90,00,00,00,00,000 6,789,000,000,000,000

Like English and other locales, the Indian system uses a period as the decimal separator and the comma for grouping, while others use a comma for decimal separator and a thin space or point to group digits.[3]

Pronunciation in English

When speakers of indigenous Indian languages are speaking English, the pronunciations may be closer to their mother tongue; e.g. "lakh" and "crore" might be pronounced /lɑkʰ/, /kɑrɔːr/, respectively.

  • lakh /lɑːkʰ/
  • crore /kɹɔːɹ/ (or /kɹoʊɹ/ in American English)
  • arab /ʌˈɾʌb/
  • kharab /kʰʌˈɾʌb/

Names of numbers

The table below includes the spelling and pronunciation of numbers in various Indian languages along with corresponding short scale names.

Value Short scale Indian English Hindustani
Hindi / Urdu
Marathi Bengali Odia Nepali Tamil Telugu Kannada Malayalam
1 one one Script error: No such module "Lang". / Script error: No such module "Lang".
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10 ten ten Script error: No such module "Lang". / Script error: No such module "Lang".
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102 hundred hundred Script error: No such module "Lang". / Script error: No such module "Lang".
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103 thousand thousand हज़ार / Script error: No such module "Lang".
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104 ten thousand ten thousand Script error: No such module "Lang". / Script error: No such module "Lang".
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Script error: No such module "Lang".
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105 hundred thousand lakh Script error: No such module "Lang". / Script error: No such module "Lang".
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Script error: No such module "Lang".
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Script error: No such module "Lang".
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Script error: No such module "Lang".
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106 million ten lakh Script error: No such module "Lang". / Script error: No such module "Lang".
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Script error: No such module "Lang".
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107 ten million crore Script error: No such module "Lang". / Script error: No such module "Lang".
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108 hundred million ten crore Script error: No such module "Lang". / Script error: No such module "Lang".
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109 billion Template:Not a typo / hundred crore Script error: No such module "Lang". / Script error: No such module "Lang".
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Script error: No such module "Lang". / Script error: No such module "Lang".
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Script error: No such module "Lang".
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1010 ten billion ten Template:Not a typo / thousand crore Script error: No such module "Lang". / Script error: No such module "Lang".
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Script error: No such module "Lang". / Script error: No such module "Lang".
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एक खर्व
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Script error: No such module "Lang".
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1011 hundred billion kharab / hundred Template:Not a typo / ten thousand crore Script error: No such module "Lang". / Script error: No such module "Lang".
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एक Script error: No such module "Lang".
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Script error: No such module "Lang".
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1012 trillion ten kharab / one thousand Template:Not a typo / Script error: No such module "anchor".one lakh crore Script error: No such module "Lang". / Script error: No such module "Lang".
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1013 ten trillion nil / hundred kharab / ten thousand Template:Not a typo / ten lakh crore Script error: No such module "Lang". / Script error: No such module "Lang".
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Script error: No such module "Lang".
(ek mahāpadma)
Script error: No such module "Lang".
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1014 hundred trillion ten nil / crore crore Script error: No such module "Lang". / Script error: No such module "Lang".
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1015 quadrillion padma / hundred nil / ten crore crore Script error: No such module "Lang". / Script error: No such module "Lang".
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एक जलधि शंखू
(eka jaladhi śaṅkhū)
Script error: No such module "Lang".
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1016 ten quadrillion ten padma / hundred crore crore Script error: No such module "Lang". / Script error: No such module "Lang".
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एक अंत्य
(eka antya)
বঙ্গ

(bongo)Script error: No such module "Lang".
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Script error: No such module "Lang".
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1017 hundred quadrillion shankh / hundred padma / thousand crore crore / lakh lakh crore Script error: No such module "Lang". / Script error: No such module "Lang".
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एक परार्ध
(eka parārdha)
মহাবঙ্গ

(mohabongo)Script error: No such module "Lang".
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Script error: No such module "Lang".
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Script error: No such module "Lang".
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1018 quintillion ten shankh / ten thousand crore crore Script error: No such module "Lang". / Script error: No such module "Lang".
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Script error: No such module "Lang". / Script error: No such module "Lang".
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एक महापरार्ध
(eka mahāparārdha)
Script error: No such module "Lang".
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Script error: No such module "Lang".
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Historic numbering systems

Numbering systems in Hindu epics

There are various systems of numeration found in various ancient epic literature of India (itihasas). The following table gives one such system used in the Valmiki Ramayana.[4]

Name Indian decimal Value Short scale
Script error: No such module "Lang". (Template:Translit) 1 1 one
Script error: No such module "Lang". (Template:Translit) 10 10 ten
Script error: No such module "Lang". (Template:Translit) 100 102 hundred
Script error: No such module "Lang". (Template:Translit) 1,000 103 thousand
Script error: No such module "Lang". (Template:Translit) 1,00,000 105 hundred thousand
Script error: No such module "Lang". (Template:Translit)
1,00,00,000 107 ten million
Script error: No such module "Lang". (Template:Translit) 1,00,000 Template:Translit 1012 trillion
Script error: No such module "Lang". (Template:Translit) 1,00,000 Template:Translit 1017 hundred quadrillion
Script error: No such module "Lang". (Template:Translit) 1,00,000 Template:Translit 1022 ten sextillion
Script error: No such module "Lang". (Template:Translit) 1,00,000 Template:Translit 1027 octillion
Script error: No such module "Lang". (Template:Translit) 1,00,000 Template:Translit 1032 hundred nonillion
Script error: No such module "Lang". (Template:Translit) 1,00,000 Template:Translit 1037 ten undecillion
Script error: No such module "Lang". (Template:Translit) 1,00,000 Template:Translit 1042 tredecillion
Script error: No such module "Lang". (Template:Translit) 1,00,000 Template:Translit 1047 hundred quattuordecillion
Script error: No such module "Lang". (Template:Translit) 1,00,000 Template:Translit 1052 ten sexdecillion
Script error: No such module "Lang". (Template:Translit) 1,00,000 Template:Translit 1057 octodecillion
Script error: No such module "Lang". (Template:Translit) 1,00,000 Template:Translit 1062 hundred novemdecillion

Other numbering systems

The denominations by which land was measured in the Kumaon Kingdom were based on arable lands and thus followed an approximate system with local variations. The most common of these was a vigesimal (base-20) numbering system with the main denomination called a bisi (see Hindustani number bīs), which corresponded to the land required to sow 20 nalis of seed. Consequently, its actual land measure varied based on the quality of the soil.[5] This system became the established norm in Kumaon by 1891.[6]

Usage in different languages

Script error: No such module "Labelled list hatnote". Below is a list of translations for the words lakh and crore in other languages spoken in the Indian subcontinent:

Usage of lakh and crore in other Indic languages
Language Lakh Crore 100 crores (a billion) 1000 crores (10 billion) 10,000 crores (100 billion)
Assamese Script error: No such module "Lang". lokhyo, or Script error: No such module "Lang". lakh Script error: No such module "Lang". kouti, or Script error: No such module "Lang". koti
Bengali Script error: No such module "Lang". lākhTemplate:Efn, or Script error: No such module "Lang". lokkhoTemplate:Efn Script error: No such module "Lang". kōṭi
Burmese lakhTemplate:Efn Script error: No such module "Lang". Script error: No such module "IPA".
Dhivehi ލައްކަ la'kha ކްރޯރް kroaru
Gujarati Script error: No such module "Lang". lākh Script error: No such module "Lang". karoḍ Script error: No such module "Lang". abaj
Hindi Script error: No such module "Lang". lākh Script error: No such module "Lang". karoḍ Script error: No such module "Lang". arab
Kannada Script error: No such module "Lang". lakṣha Script error: No such module "Lang". kōṭi
Khasi lak klur or krur arab kharab
Malayalam Script error: No such module "Lang". laksham Script error: No such module "Lang". kodi
Marathi Script error: No such module "Lang". lākh Script error: No such module "Lang". koṭi, or Script error: No such module "Lang". karoḍ Script error: No such module "Lang". abja
Nepali Script error: No such module "Lang". lākh Script error: No such module "Lang". karoḍ
Odia Script error: No such module "Lang". lôkhyô Script error: No such module "Lang". koṭi
Punjabi lakkh (Gurmukhi: Script error: No such module "Lang"., Shahmukhi: Script error: No such module "Lang".) karoṛ (Gurmukhi: Script error: No such module "Lang"., Shahmukhi: Script error: No such module "Lang".)
Rohingya lák kurul kuthí
Sinhala Script error: No such module "Lang". Template:Translit Script error: No such module "Lang". Template:Translit
Tamil Script error: No such module "Lang". ilaṭcam Script error: No such module "Lang". kōṭi
Telugu Script error: No such module "Lang". lakṣha Script error: No such module "Lang". kōṭi
Urdu Script error: No such module "Lang". lākh Script error: No such module "Lang". karoṛ Script error: No such module "Lang". arab Script error: No such module "Lang". kharab
Swahili Script error: No such module "Lang".

Formal written publications in English in India tend to use lakh/crore for Indian currency and International numbering for foreign currencies.[7]

Current usage

The official usage of this system is limited to the nations of India, Pakistan and Bangladesh. It is universally employed within these countries, and is preferred to the International numbering system.[8]

Sri Lanka and Nepal used this system in the past but has switched to the International numbering system in recent years. In the Maldives, the term lakh is widely used in official documents and local speech. However, the International System of Units is preferred for higher denominations (such as millions).Script error: No such module "Unsubst".

Most institutions and citizens in India use the Indian number system. The Reserve Bank of India was noted as a rare exception in 2015,[9] whereas by 2024 the Indian system was used for amounts in rupees and the International system for foreign currencies throughout the Reserve Bank's website.[10]

See also

References

Notes

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References

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  7. Script error: No such module "citation/CS1". Shapiro is/was an OED employee. The article states: "The opinions and other information contained in the OED blog posts and comments do not necessarily reflect the opinions or positions of Oxford University Press."
  8. Script error: No such module "citation/CS1".
  9. Script error: No such module "citation/CS1".
  10. Reserve Bank of India, old and new website (known on archive.org since 5 Apr 2024). Retrieved 16 Apr 2024.