138636350684

Names of 138636350684

• Cardinal: 138636350684 can be written as One hundred thirty-eight billion, six hundred thirty-six million, three hundred fifty thousand, six hundred eighty-four.

Scientific notation

• Scientific notation: 1.38636350684 × 10¹¹

Factors of 138636350684

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 51

Divisors of 138636350684

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 13 17 19 26 34 38 52 68 76 169 221 247 289 323 338 442 494 578 646 676 884 988 1156 1292 2197 2873 3211 3757 4199 4394 4913 5491 5746 6422 7514 8398 8788 9826 10982 11492 12844 15028 16796 19652 21964 28561 37349 41743 48841 54587 57122 63869 71383 74698 83486 93347 97682 109174 114244 127738 142766 149396 166972 186694 195364 218348 255476 285532 371293 373388 485537 542659 634933 709631 742586 830297 927979 971074 1085318 1213511 1269866 1419262 1485172 1660594 1855958 1942148 2170636 2427022 2539732 2838524 3321188 3711916 4854044 6311981 7054567 8254129 9225203 10793861 12063727 12623962 14109134 15775643 16508258 18450406 21587722 24127454 25247924 28218268 31551286 33016516 36900812 43175444 48254908 63102572 107303677 119927639 140320193 156828451 205083359 214607354 239855278 280640386 313656902 410166718 429214708 479710556 561280772 627313804 820333436 1824162509 2038769863 2666083667 3648325018 4077539726 5332167334 7296650036 8155079452 10664334668 34659087671 69318175342 138636350684
• Sum of all divisors σ(n): 293952607200
• Sum of proper divisors (its aliquot sum) s(n): 155316256516
• 138636350684 is an abundant number, because the sum of its proper divisors (155316256516) is greater than itself. Its abundance is 16679905832

Bases of 138636350684

• Binary: 10000001000111010111101101010011011100₂
• Hexadecimal: 0x20475ED4DC
• Base-36: 1ROSI4T8

Squares and roots of 138636350684

• 138636350684 squared (138636350684²) is 19220037730977027267856
• 138636350684 cubed (138636350684³) is 2664595891031442802254314816813504
• The square root of 138636350684 is 372339.0265389863
• The cube root of 138636350684 is 5175.5801592673

Scales and comparisons

• 138,636,350,684 seconds is equal to 4,408 years, 10 weeks, 5 days, 9 hours, 24 minutes, 44 seconds.
• To count from 1 to 138,636,350,684 would take you about eight thousand, eight hundred sixteen 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 138636350684 cubic inches would be around 431.3 feet tall.

Recreational maths with 138636350684

• 138636350684 backwards is 486053636831
• The number of decimal digits it has is: 12
• The sum of 138636350684's digits is 53
• More coming soon!