31425228261

Names of 31425228261

• Cardinal: 31425228261 can be written as Thirty-one billion, four hundred twenty-five million, two hundred twenty-eight thousand, two hundred sixty-one.

Scientific notation

• Scientific notation: 3.1425228261 × 10¹⁰

Factors of 31425228261

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 10871

Divisors of 31425228261

• Number of divisors d(n): 66
• Complete list of divisors:
  1 3 7 9 21 27 49 63 81 147 189 243 441 567 729 1323 1701 2187 3969 5103 6561 10861 11907 15309 19683 32583 35721 45927 59049 76027 97749 107163 137781 228081 293247 321489 413343 532189 684243 879741 964467 1596567 2052729 2639223 2893401 4789701 6158187 7917669 14369103 18474561 23753007 43107309 55423683 71259021 129321927 166271049 213777063 387965781 498813147 641331189 1163897343 1496439441 3491692029 4489318323 10475076087 31425228261
• Sum of all divisors σ(n): 54838555782
• Sum of proper divisors (its aliquot sum) s(n): 23413327521
• 31425228261 is a deficient number, because the sum of its proper divisors (23413327521) is less than itself. Its deficiency is 8011900740

Bases of 31425228261

• Binary: 11101010001000101101110110111100101₂
• Hexadecimal: 0x75116EDE5
• Base-36: EFPRPB9

Squares and roots of 31425228261

• 31425228261 squared (31425228261²) is 987544971255953084121
• 31425228261 cubed (31425228261³) is 31033826139721009523609359543581
• The square root of 31425228261 is 177271.6228306155
• The cube root of 31425228261 is 3155.6789555817

Scales and comparisons

• 31,425,228,261 seconds is equal to 999 years, 11 weeks, 4 days, 22 hours, 4 minutes, 21 seconds.
• To count from 1 to 31,425,228,261 would take you about one thousand, nine hundred ninety-eight years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 31425228261 cubic inches would be around 263 feet tall.

Recreational maths with 31425228261

• 31425228261 backwards is 16282252413
• The number of decimal digits it has is: 11
• The sum of 31425228261's digits is 36
• More coming soon!