1313938665

Names of 1313938665

• Cardinal: 1313938665 can be written as One billion, three hundred thirteen million, nine hundred thirty-eight thousand, six hundred sixty-five.

Scientific notation

• Scientific notation: 1.313938665 × 10⁹

Factors of 1313938665

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 100

Divisors of 1313938665

• Number of divisors d(n): 120
• Complete list of divisors:
  1 3 5 9 13 15 27 39 45 65 79 81 117 135 169 195 237 243 351 395 405 507 585 711 729 845 1027 1053 1185 1215 1521 1755 2133 2187 2535 3081 3159 3555 3645 4563 5135 5265 6399 6561 7605 9243 9477 10665 10935 13351 13689 15405 15795 19197 19683 22815 27729 28431 31995 32805 40053 41067 46215 47385 57591 66755 68445 83187 85293 95985 98415 120159 123201 138645 142155 172773 200265 205335 249561 255879 287955 360477 369603 415935 426465 518319 600795 616005 748683 863865 1081431 1108809 1247805 1279395 1554957 1802385 1848015 2246049 2591595 3244293 3326427 3743415 5407155 5544045 6738147 7774785 9732879 11230245 16221465 16632135 20214441 29198637 33690735 48664395 87595911 101072205 145993185 262787733 437979555 1313938665
• Sum of all divisors σ(n): 2593388160
• Sum of proper divisors (its aliquot sum) s(n): 1279449495
• 1313938665 is a deficient number, because the sum of its proper divisors (1279449495) is less than itself. Its deficiency is 34489170

Bases of 1313938665

• Binary: 1001110010100010001110011101001₂
• Hexadecimal: 0x4E511CE9
• Base-36: LQA9K9

Squares and roots of 1313938665

• 1313938665 squared (1313938665²) is 1726434815381982225
• 1313938665 cubed (1313938665³) is 2268429456532523189770229625
• The square root of 1313938665 is 36248.2918907913
• The cube root of 1313938665 is 1095.2796808575

Scales and comparisons

• 1,313,938,665 seconds is equal to 41 years, 40 weeks, 3 days, 14 hours, 57 minutes, 45 seconds.
• To count from 1 to 1,313,938,665 would take you about eighty-three 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 1313938665 cubic inches would be around 91.3 feet tall.

Recreational maths with 1313938665

• 1313938665 backwards is 5668393131
• 1313938665 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1313938665's digits is 45
• More coming soon!