Million: One thousand thousands (10^6).

Billion: One thousand millions (10^9).

Trillion: One million millions (10^12).

Quadrillion: One thousand trillions (10^15).

Quintillion: One billion billions (10^18).

Sextillion: One trillion trillions (10^21).

Septillion: One quadrillion quadrillions (10^24).

Octillion:One quintillon quintillions( 1027)

Nonllion :one sextilion sextillioms(1030)

Million - 10^6

Billion - 10^9

Trillion - 10^12

Quadrillion - 10^15

Quintillion - 10^18

Sextillion - 10^21

Septillion - 10^24

Octillion - 10^27

Nonillion – 10^{30}

Decillon – ​(or decilion) ​– \( \text{ } \mathbf {\,\displaystyle{[}\, {\bf (}^{36})]}}

Undecillon = \( \text{{ }} ^{\approx}(37)\,\mathbb {{[]}_{*}}\)

Duodecillon= \(=\underbrace{}_(38){ }\backslash{}\(*\)}_(-+)

Tredecillon =(39)- * (*)

Quattuordecilon=(40)= ***

Quindecilon ={41}-**

Sexdecilloin *(42))--->

Septendecilion [43]

Octodecilon <44)>

Novemdecillo n >45<

Vigintilli on @46@