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Difference between revisions of "billion"
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'''One billion''' (1,000,000,000) is the [[natural number]] following 9,999,999,99 and preceding 1,000,000,001. (The word "billion" can sometimes refer to 1,000,000,000,000, however in the [[long scale]] usage). | '''One billion''' (1,000,000,000) is the [[natural number]] following 9,999,999,99 and preceding 1,000,000,001. (The word "billion" can sometimes refer to 1,000,000,000,000, however in the [[long scale]] usage). | ||
Revision as of 02:07, 8 February 2006
One billion (1,000,000,000) is the natural number following 9,999,999,99 and preceding 1,000,000,001. (The word "billion" can sometimes refer to 1,000,000,000,000, however in the long scale usage).
In scientific notation, it is written as 109. Physical quantities can be expressed using the SI prefix giga.
Selected 10-digit numbers (1000000001 - 9999999999)
- 1,023,456,789 - smallest pandigital number
- 1,073,676,287 - Carol number
- 1,073,807,359 - Kynea number
- 1,111,111,111 - repunit
- 1,129,760,415 - Motzkin number
- 1,134,903,170 - Fibonacci number
- 1,162,261,467 = 3^19
- 1,220,703,125 = 5^12
- 1,234,567,890 - pandigital number with the digits in order
- 1,311,738,121 - Pell number
