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Look up quadrillion in Wiktionary, the free dictionary. |
Quadrillion may mean either of the two numbers (see long and short scales for more detail):
- 1,000,000,000,000,000 (one thousand million million; 1015; SI prefix peta-) - for all short scale countries - increasingly common meaning in English language usage
- 1,000,000,000,000,000,000,000,000 (one million million million million; 1024; SI prefix: yotta-) - for all long scale countries - increasingly rare meaning in English language usage
See also
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