100000000 (number)

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100000000
CardinalOne hundred million
Ordinal100000000th
(one hundred millionth)
Factorization28 · 58
Roman numeralC
Binary1011111010111100001000000002
Ternary202220111120122013
Quaternary113311320100004
Quinary2011000000005
Senary135312025446
Octal5753604008
Duodecimal295A645412
Hexadecimal5F5E10016
Vigesimal1B5000020
Base 361NJCHS36
 
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100000000
CardinalOne hundred million
Ordinal100000000th
(one hundred millionth)
Factorization28 · 58
Roman numeralC
Binary1011111010111100001000000002
Ternary202220111120122013
Quaternary113311320100004
Quinary2011000000005
Senary135312025446
Octal5753604008
Duodecimal295A645412
Hexadecimal5F5E10016
Vigesimal1B5000020
Base 361NJCHS36

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 (億) (or wànwàn [萬萬] in ancient texts), oku (億), 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 (100000001–999999999)[edit]

See also[edit]