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100000000 | |
---|---|

Cardinal | One hundred million |

Ordinal | 100000000th (one hundred millionth) |

Factorization | 2^{8} · 5^{8} |

Roman numeral | C |

Binary | 101111101011110000100000000_{2} |

Ternary | 20222011112012201_{3} |

Quaternary | 11331132010000_{4} |

Quinary | 201100000000_{5} |

Senary | 13531202544_{6} |

Octal | 575360400_{8} |

Duodecimal | 295A6454_{12} |

Hexadecimal | 5F5E100_{16} |

Vigesimal | 1B50000_{20} |

Base 36 | 1NJCHS_{36} |

This article does not cite any references or sources. (August 2009) |

"100 million" redirects here. For the song by Birdman, see 100 Million.

100000000 | |
---|---|

Cardinal | One hundred million |

Ordinal | 100000000th (one hundred millionth) |

Factorization | 2^{8} · 5^{8} |

Roman numeral | C |

Binary | 101111101011110000100000000_{2} |

Ternary | 20222011112012201_{3} |

Quaternary | 11331132010000_{4} |

Quinary | 201100000000_{5} |

Senary | 13531202544_{6} |

Octal | 575360400_{8} |

Duodecimal | 295A6454_{12} |

Hexadecimal | 5F5E100_{16} |

Vigesimal | 1B50000_{20} |

Base 36 | 1NJCHS_{36} |

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

In scientific notation, it is written as 10^{8}.

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.)

**102334155**– Fibonacci number**107890609**– Wedderburn-Etherington number**111111111**– repunit, square root of 12345678987654321**111111113**– Chen prime, Sophie Germain prime, cousin prime.**123456789**– smallest zeroless base 10 pandigital number**129140163**= 3^{17}**129644790**– Catalan number**134217728**= 2^{27}**139854276**– the smallest pandigital square**142547559**– Motzkin number**165580141**– Fibonacci number**179424673**– 10000000th prime number**190899322**– Bell number**214358881**= 11^{8}**222222222**– repdigit**222222227**– safe prime**225058681**– Pell number**225331713**– self-descriptive number in base 9**244140625**= 5^{11}**253450711**– Wedderburn-Etherington number**267914296**– Fibonacci number**268402687**– Carol number**268435456**= 2^{28}**268468223**– Kynea number**272400600**– the number of terms of the harmonic series required to pass 20**275305224**– the number of magic squares of order 5, excluding rotations and reflections**282475249**= 7^{10}**333333333**– repdigit**367567200**– colossally abundant number**381654729**– the only polydivisible number that is also a zeroless pandigital number**387420489**= 3^{18}, 9^{9}and in tetration notation**400763223**– Motzkin number**433494437**– Fibonacci number**442386619**– alternating factorial**444444444**– repdigit**477638700**– Catalan number**479001599**– factorial prime**479001600**= 12!**536870912**= 2^{29}**543339720**– Pell number**554999445**– 9-digit analogue to Kaprekar constant**555555555**– repdigit**596572387**– Wedderburn-Etherington number**666666666**– repdigit**701408733**– Fibonacci number**715827883**– Wagstaff prime**777777777**– repdigit**815730721**= 13^{8}**888888888**– repdigit**906150257**– smallest counterexample to the Polya conjecture**987654321**– largest zeroless pandigital number**999999937**– largest 9-digit prime**999999999**– repdigit