100000000 (number)

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Cardinal One hundred million
Ordinal 100000000th
(one hundred millionth)
Factorization 28 × 58
Roman numeral C
Binary 1011111010111100001000000002
Ternary 202220111120122013
Quaternary 113311320100004
Quinary 2011000000005
Senary 135312025446
Octal 5753604008
Duodecimal 295A645412
Hexadecimal 5F5E10016
Vigesimal 1B5000020
Base 36 1NJCHS36

One hundred million (100,000,000) is the natural number following 99999999 and preceding 100000001.

In scientific notation, it is written as 108.

East Asian languages treat 100,000,000 as a counting unit, significant as the square of a myriad, also a counting unit. In Chinese, Japanese, and Korean respectively it is () (or wànwàn 萬萬 in ancient texts), oku (), and eok (억/億). These languages do not have single words for a thousand to the second, third, fifth power, etc.)

Selected 9-digit numbers (100,000,001–999,999,999)

See also