18636013968

Names of 18636013968

• Cardinal: 18636013968 can be written as Eighteen billion, six hundred thirty-six million, thirteen thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 1.8636013968 × 10¹⁰

Factors of 18636013968

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 486

Divisors of 18636013968

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 4 6 8 11 12 13 16 22 24 26 33 39 44 48 52 66 78 88 104 132 143 156 169 176 208 264 286 312 338 429 457 507 528 572 624 676 858 914 1014 1144 1352 1371 1716 1828 1859 2028 2288 2704 2742 3432 3656 3718 4056 5027 5484 5577 5941 6864 7312 7436 8112 10054 10968 11154 11882 14872 15081 17823 20108 21936 22308 23764 29744 30162 35646 40216 44616 47528 60324 65351 71292 77233 80432 89232 95056 120648 130702 142584 154466 196053 208849 231699 241296 261404 285168 308932 392106 417698 463398 522808 617864 626547 784212 835396 849563 926796 1045616 1235728 1253094 1568424 1670792 1699126 1853592 2297339 2506188 2548689 2715037 3136848 3341584 3398252 3707184 4594678 5012376 5097378 5430074 6796504 6892017 8145111 9189356 10024752 10194756 10860148 13593008 13784034 16290222 18378712 20389512 21720296 27568068 29865407 32580444 35295481 36757424 40779024 43440592 55136136 59730814 65160888 70590962 89596221 105886443 110272272 119461628 130321776 141181924 179192442 211772886 238923256 282363848 358384884 388250291 423545772 477846512 564727696 716769768 776500582 847091544 1164750873 1433539536 1553001164 1694183088 2329501746 3106002328 4659003492 6212004656 9318006984 18636013968
• Sum of all divisors σ(n): 56995133328
• Sum of proper divisors (its aliquot sum) s(n): 38359119360
• 18636013968 is an abundant number, because the sum of its proper divisors (38359119360) is greater than itself. Its abundance is 19723105392

Bases of 18636013968

• Binary: 10001010110110010110000000110010000₂
• Hexadecimal: 0x456CB0190
• Base-36: 8K7EGEO

Squares and roots of 18636013968

• 18636013968 squared (18636013968²) is 347301016615491105024
• 18636013968 cubed (18636013968³) is 6472306596746892318407018975232
• The square root of 18636013968 is 136513.7867323297
• The cube root of 18636013968 is 2651.2519997335

Scales and comparisons

• 18,636,013,968 seconds is equal to 592 years, 29 weeks, 3 days, 14 hours, 32 minutes, 48 seconds.
• To count from 1 to 18,636,013,968 would take you about one thousand, one hundred eighty-five 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 18636013968 cubic inches would be around 220.9 feet tall.

Recreational maths with 18636013968

• 18636013968 backwards is 86931063681
• The number of decimal digits it has is: 11
• The sum of 18636013968's digits is 51
• More coming soon!