640626590734

Names of 640626590734

• Cardinal: 640626590734 can be written as Six hundred forty billion, six hundred twenty-six million, five hundred ninety thousand, seven hundred thirty-four.

Scientific notation

• Scientific notation: 6.40626590734 × 10¹¹

Factors of 640626590734

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 579

Divisors of 640626590734

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 13 17 19 26 34 37 38 74 169 221 247 289 323 338 361 442 481 491 494 578 629 646 703 722 962 982 1258 1406 2873 3211 3757 4199 4693 5491 5746 6137 6253 6383 6422 7514 8177 8347 8398 9139 9329 9386 10693 10982 11951 12274 12506 12766 13357 16354 16694 18167 18278 18658 21386 23902 26714 36334 48841 54587 61009 71383 79781 82979 97682 104329 106301 108511 109174 118807 121277 122018 139009 141899 142766 155363 158593 159562 165958 173641 177251 203167 208658 212602 217022 227069 236171 237614 242554 278018 283798 308839 310726 317186 345173 347282 354502 406334 454138 472342 617678 690346 927979 1037153 1356277 1410643 1576601 1807117 1844687 1855958 2019719 2061709 2074306 2257333 2304263 2641171 2696081 2712554 2821286 2951897 3013267 3070223 3153202 3614234 3689374 3860173 4014907 4039438 4123418 4487249 4514666 4608526 5250263 5282342 5392162 5867941 5903794 6026534 6140446 6558287 7720346 8029814 8974498 10500526 11735882 13116574 17631601 23980931 26802217 29955419 34335223 35049053 35263202 38374661 39172471 47961862 50182249 51225539 52193791 53604434 58334237 59910838 68253419 68670446 70098106 76283233 76749322 78344942 85257731 99754997 100364498 102451078 104387582 111490879 116668474 136506838 152566466 170515462 199509994 222981758 455637689 509242123 652369237 665932007 887294447 911275378 991682029 1018484246 1108350503 1296814961 1304738474 1331864014 1449381427 1774588894 1895344943 1983364058 2216701006 2593629922 2898762854 3790689886 8657116091 16858594493 17314232182 18841958551 24639484259 33717188986 37683917102 49278968518 320313295367 640626590734
• Sum of all divisors σ(n): 1200561452568
• Sum of proper divisors (its aliquot sum) s(n): 559934861834
• 640626590734 is a deficient number, because the sum of its proper divisors (559934861834) is less than itself. Its deficiency is 80691728900

Bases of 640626590734

• Binary: 1001010100101000010100100000010000001110₂
• Hexadecimal: 0x952852040E
• Base-36: 86ASJ4ZY

Squares and roots of 640626590734

• 640626590734 squared (640626590734²) is 410402428755467934658756
• 640626590734 cubed (640626590734³) is 262914708762568749541295133961566904
• The square root of 640626590734 is 800391.5234021409
• The cube root of 640626590734 is 8620.5502361661

Scales and comparisons

• 640,626,590,734 seconds is equal to 20,369 years, 49 weeks, 14 hours, 45 minutes, 34 seconds.
• To count from 1 to 640,626,590,734 would take you about forty thousand, seven hundred thirty-nine 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 640626590734 cubic inches would be around 718.4 feet tall.

Recreational maths with 640626590734

• 640626590734 backwards is 437095626046
• The number of decimal digits it has is: 12
• The sum of 640626590734's digits is 52
• More coming soon!