Names Of large Numbers |Orders of magnitude (numbers) Millions Trillions Billions

Names of large numbers

Name

Short scale
(U.S., Canada and
modern British)

Long scale
(continental Europe,
older British)

Million

106

106

Milliard

109

Billion

109

1012

Trillion

1012

1018

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

Centillion

10303