Millions Billions Trillions Names Of Large Numbers

Standard dictionary numbers

Name	Short scale (U.S., Canada and modern British)	Long scale (continental Europe, older British)	Authorities
			AHD4[1]	CED[2]	COD[3]	OED2[4]	OEDnew[5]	RHD2[6]	SOED3[7]	W3[8]	UM[9]
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	10600	✓	✓		✓	✓	✓			✓