100,000,000
| 100000000 | |
|---|---|
| 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 99,999,999 and preceding 100,000,001.
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 yì (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.
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