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Names of Large Numbers

The power of 10 indicates how many zeros are in the number.
(examples: 109 = 1,000,000,000   1015 = 1,000,000,000,000,000)

  Power of 10 USA UK
106
million
million
109
billion
milliard
1012
trillion
billion
1015
quadrillion
billiard
1018
quintillion
trillion
1021
sextillion
trilliard
1024
septillion
quadrillion
1027
octillion
quadrilliard
1030
nonillion
quintillion
1033
decillion
quintilliard
1036
undecillion
sextillion
1039
duodecillion
sextilliard
1042
tredecillion
septillion
1045
quattuordecillion
septilliard
1048
quindecillion 
octillion
1051
sexdecillion
octilliard
1054
septendecillion
nonillion
1057
octodecillion
nonilliard
1060
novemdecillion
decillion
1063
vigintillion
decilliard
1066
unvigintillion
undecillion
1069
dovigintillion
undecilliard
1072
trevigintillion
duodecillion
1075
quattuorvigintillion
duodecilliard
1078
quinvigintillion
tredecillion
1081
sexvigintillion
tredecilliard
1084
septenvigintillion
quattuordecillion
1087
octovigintillion
quattuordecilliard
1090
novemvigintillion
quindecillion
1093
trigintillion
quindecilliard
1096
untrigintillion
sexdecillion
1099
duotrigintillion
sexdecilliard
10100
googol
googol
10102
tretrigintillion
septillion
10303
centillion
 
10600
 
centillion
10googol
googolplex
googolplex