1000000000 (number)
From Freepedia
One billion (1,000,000,000) is the natural number following 999999999 and preceding 1000000001. (The word "billion" can sometimes refer to 1,000,000,000,000, however).
| List of numbers - Integers 100000000 1000000000 | |
|---|---|
| Cardinal | One billion |
| Ordinal | One billionth |
| Factorization | 10000 = 28 · 58 |
| Binary | 101111101011110000100000000 |
| Hexadecimal | 5F5E100 |
In scientific notation, it is written as 109. Physical quantities can be expressed using the SI prefix giga.
Selected 10-digit numbers (1000000001 - 9999999999)
- 1023456789 - smallest pandigital number
- 1073676287 - Carol prime
- 1073807359 - Kynea prime
- 1111111111 - repunit
- 1129760415 - Motzkin number
- 1134903170 - Fibonacci number
- 1162261467 = 3^19
- 1220703125 = 5^12
- 1234567890 - pandigital number with the digits in order
- 1406818759 - Wedderburn-Etherington number
- 1836311903 - Fibonacci prime
- 2222222222 - repdigit
- 2971215073 - Fibonacci prime
- 3192727797 - Motzkin number
- 3323236238 - Wedderburn-Etherington number
- 3333333333 - repdigit
- 3486784401 = 3^20
- 4444444444 - repdigit
- 4807526976 - Fibonacci number
- 5555555555 - repdigit
- 6210001000 - the only self-descriptive number in base 10
- 6227020800 = 13!
- 6666666666 - repdigit
- 7777777777 - repdigit
- 7778742049 - Fibonacci number
- 7862958391 - Wedderburn-Etherington number
- 8888888888 - repdigit
- 9043402501 - Motzkin number
- 9814072356 - largest square pandigital number, largest pandigital pure power
- 9876543210 - largest pandigital number without redundant digits
- 9999999999 - repdigit
