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large numbers are numbers over one million that are usually represented either v the usage of an exponent such together 109 or by terms such together *billion* or *thousand millions* that generally differ from device to system. The American system of numeration for denominations over one million was modeled top top a French system, yet in 1948 the French mechanism was readjusted to exchange mail to the German and British systems. In the American device each the the denominations over 1,000 millions (the American *billion*) is 1,000 times the preceding one (one sunshine = 1,000 billions; one quadrillion = 1,000 trillions). In the British system each the the denominations is 1,000,000 times the preceding one (one sunshine = 1,000,000 billions) through the sole exemption of *milliard*, which is sometimes used for 1,000 millions. In current years British intake has reflected widespread and also increasing use of the American system.

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The table gives American and British names for various large numbers.

large numbers worth in strength of ten variety of zeros American name British surname

109 | 9 | billion | thousand million or milliard |

1012 | 12 | trillion | billion |

1015 | 15 | quadrillion | thousand billion |

1018 | 18 | quintillion | trillion |

1021 | 21 | sextillion | thousand trillion |

1024 | 24 | septillion | quadrillion |

1027 | 27 | octillion | thousand quadrillion |

1030 | 30 | nonillion | quintillion |

1033 | 33 | decillion | thousand quintillion |

1036 | 36 | undecillion | sextillion |

1039 | 39 | duodecillion | thousands sextillion |

1042 | 42 | tredecillion | septillion |

1045 | 45 | quattuordecillion | thousands septillion |

1084 | 84 | quattuordecillion | |

10100 | 100 | googol | googol |

10303 | 303 | centillion | |

10600 | 600 | centillion | |

10googol | googol | googolplex | googolplex |