640338296832

Names of 640338296832

• Cardinal: 640338296832 can be written as Six hundred forty billion, three hundred thirty-eight million, two hundred ninety-six thousand, eight hundred thirty-two.

Scientific notation

• Scientific notation: 6.40338296832 × 10¹¹

Factors of 640338296832

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 24
• Sum of prime factors: 1049

Divisors of 640338296832

• Number of divisors d(n): 476
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 27 32 36 39 48 52 54 64 72 78 81 96 104 108 117 128 144 156 162 192 208 216 234 243 256 288 312 324 351 384 416 432 468 486 512 576 624 648 702 729 768 832 864 936 972 1024 1031 1053 1152 1248 1296 1404 1458 1536 1664 1728 1872 1944 2048 2062 2106 2304 2496 2592 2808 2916 3072 3093 3159 3328 3456 3744 3888 4096 4124 4212 4608 4992 5184 5616 5832 6144 6186 6318 6656 6912 7488 7776 8192 8248 8424 9216 9279 9477 9984 10368 11232 11664 12288 12372 12636 13312 13403 13824 14976 15552 16384 16496 16848 18432 18558 18954 19968 20736 22464 23328 24576 24744 25272 26624 26806 27648 27837 29952 31104 32768 32992 33696 36864 37116 37908 39936 40209 41472 44928 46656 49152 49488 50544 53248 53612 55296 55674 59904 62208 65536 65984 67392 73728 74232 75816 79872 80418 82944 83511 89856 93312 98304 98976 101088 106496 107224 110592 111348 119808 120627 124416 131968 134784 147456 148464 151632 159744 160836 165888 167022 179712 186624 196608 197952 202176 212992 214448 221184 222696 239616 241254 248832 250533 263936 269568 294912 296928 303264 319488 321672 331776 334044 359424 361881 373248 395904 404352 425984 428896 442368 445392 479232 482508 497664 501066 527872 539136 589824 593856 606528 638976 643344 663552 668088 718848 723762 746496 751599 791808 808704 851968 857792 884736 890784 958464 965016 995328 1002132 1055744 1078272 1085643 1187712 1213056 1277952 1286688 1327104 1336176 1437696 1447524 1492992 1503198 1583616 1617408 1715584 1769472 1781568 1916928 1930032 1990656 2004264 2111488 2156544 2171286 2375424 2426112 2555904 2573376 2654208 2672352 2875392 2895048 2985984 3006396 3167232 3234816 3256929 3431168 3563136 3833856 3860064 3981312 4008528 4222976 4313088 4342572 4750848 4852224 5146752 5308416 5344704 5750784 5790096 5971968 6012792 6334464 6469632 6513858 6862336 7126272 7667712 7720128 7962624 8017056 8445952 8626176 8685144 9501696 9704448 9770787 10293504 10689408 11501568 11580192 11943936 12025584 12668928 12939264 13027716 13724672 14252544 15440256 15925248 16034112 16891904 17252352 17370288 19003392 19408896 19541574 20587008 21378816 23003136 23160384 23887872 24051168 25337856 25878528 26055432 27449344 28505088 30880512 32068224 33783808 34504704 34740576 38006784 38817792 39083148 41174016 42757632 46320768 47775744 48102336 50675712 51757056 52110864 54898688 57010176 61761024 64136448 67567616 69009408 69481152 76013568 77635584 78166296 82348032 85515264 92641536 96204672 101351424 103514112 104221728 109797376 114020352 123522048 128272896 138962304 152027136 155271168 156332592 164696064 171030528 185283072 192409344 202702848 207028224 208443456 219594752 228040704 247044096 256545792 277924608 304054272 310542336 312665184 329392128 342061056 370566144 384818688 416886912 439189504 456081408 494088192 513091584 555849216 608108544 621084672 625330368 658784256 684122112 741132288 769637376 833773824 878379008 912162816 988176384 1026183168 1111698432 1250660736 1317568512 1368244224 1482264576 1539274752 1667547648 1824325632 1976352768 2052366336 2223396864 2501321472 2635137024 2736488448 2964529152 3078549504 3335095296 3952705536 4104732672 4446793728 5002642944 5472976896 5929058304 6157099008 6670190592 7905411072 8209465344 8893587456 10005285888 11858116608 12314198016 13340381184 16418930688 17787174912 20010571776 23716233216 24628396032 26680762368 35574349824 40021143552 49256792064 53361524736 71148699648 80042287104 106723049472 160084574208 213446098944 320169148416 640338296832
• Sum of all divisors σ(n): 2069829192144
• Sum of proper divisors (its aliquot sum) s(n): 1429490895312
• 640338296832 is an abundant number, because the sum of its proper divisors (1429490895312) is greater than itself. Its abundance is 789152598480

Bases of 640338296832

• Binary: 1001010100010111001000110000000000000000₂
• Hexadecimal: 0x9517230000
• Base-36: 8660W000

Squares and roots of 640338296832

• 640338296832 squared (640338296832²) is 410033134389706541236224
• 640338296832 cubed (640338296832³) is 262559918919791254367493251942842368
• The square root of 640338296832 is 800211.4075867701
• The cube root of 640338296832 is 8619.2569060639

Scales and comparisons

• 640,338,296,832 seconds is equal to 20,360 years, 40 weeks, 2 days, 21 hours, 7 minutes, 12 seconds.
• To count from 1 to 640,338,296,832 would take you about forty thousand, seven hundred twenty-one 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 640338296832 cubic inches would be around 718.3 feet tall.

Recreational maths with 640338296832

• 640338296832 backwards is 238692833046
• 640338296832 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 640338296832's digits is 54
• More coming soon!