better to follow the links, as the tables are unclear here
http://en.wikipedia.org/wiki/Indian_numbering_systemTerm (Hindi transliteration) Figure Power
notation Western system (short scale)
एक (Ek) 1 100 1 (One)
दस (Das) 10 101 10 (Ten)
सौ (Sau) 100 102 100 (Hundred)
सहस्त्र (Sahastr) / हजार (Hazaar) 1,000 103 1,000 (One thousand)
लाख (Lakh) 1,00,000 105 100,000 (One hundred thousand)
करोड़ (Crore) 1,00,00,000 107 10,000,000 (Ten million)
अरब (Arawb) 1,00,00,00,000 109 1,000,000,000 (One billion)
खरब (Kharawb) 1,00,00,00,00,000 1011 100,000,000,000 (One hundred billion)
नील (Neel) 1,00,00,00,00,00,000 1013 10,000,000,000,000 (Ten trillion)
पद्म (Padma) 1,00,00,00,00,00,00,000 1015 1,000,000,000,000,000 (One quadrillion)
शंख (Shankh) 1,00,00,00,00,00,00,00,000 1017 100,000,000,000,000,000 (One hundred quadrillion)
महाशंख (Mahashankh) 1,00,00,00,00,00,00,00,00,000 1019 10,000,000,000,000,000,000 (Ten quintillion)
The "standard dictionary numbers"
http://en.wikipedia.org/wiki/Names_of_large_numbersName Short scale
(USA and Modern British) Long scale
(Traditional British) Authorities
AHD4[1] COD[2] OED2[3] OEDnew[4] RHD2[5] SOED3[6] W3[7] UM[8]
million 106 106 ✓ ✓ ✓ ✓ ✓ ✓ ✓
milliard 109 ✓ ✓ ✓ ✓
billion 109 1012 ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓
billiard 1015 [9] [9] ✓
trillion 1012 1018 ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓
trilliard 1021 [9] [9] [9] ✓
quadrillion 1015 1024 ✓ ✓ ✓ ✓ ✓ ✓ ✓
quintillion 1018 1030 ✓ ✓ ✓ ✓ ✓ ✓ ✓
sextillion 1021 1036 ✓ ✓ ✓ ✓ ✓ ✓ ✓
septillion 1024 1042 ✓ ✓ ✓ ✓ ✓ ✓ ✓
octillion 1027 1048 ✓ ✓ ✓ ✓ ✓ ✓ ✓
nonillion 1030 1054 ✓ ✓ ✓ ✓ ✓ ✓ ✓
decillion 1033 1060 ✓ ✓ ✓ ✓ ✓ ✓ ✓
undecillion 1036 1066 ✓ ✓ ✓ ✓
duodecillion 1039 1072 ✓ ✓ ✓ ✓
tredecillion 1042 1078 ✓ ✓ ✓ ✓
quattuordecillion 1045 1084 ✓ ✓ ✓ ✓
quindecillion (quinquadecillion) 1048 1090 ✓ ✓ ✓ ✓
sexdecillion (sedecillion) 1051 1096 ✓ ✓ ✓ ✓
septendecillion 1054 10102 ✓ ✓ ✓ ✓
octodecillion 1057 10108 ✓ ✓ ✓ ✓
novemdecillion (novendecillion) 1060 10114 ✓ ✓ ✓ ✓
vigintillion 1063 10120 ✓ ✓ ✓ ✓ ✓ ✓ ✓
googol 10100 10100 ✓ ✓ ✓ ✓ ✓ ✓ ✓
centillion 10303 10600 ✓ ✓ ✓ ✓
googolplex 1010100 1010100 ✓ ✓ ✓ ✓ ✓ ✓
✓
Apart from million, the words in this list ending with -illion are all derived by adding Latin prefixes (bi-, tri-, etc.) to the stem -illion.[10] Centillion[11] appears to be the highest name ending in -illion that is included in these dictionaries. Trigintillion, often cited as a word in discussions of names of large numbers, is not included in any of them, nor are any of the names that can easily be created by extending the naming pattern (unvigintilli