421643824640

Names of 421643824640

• Cardinal: 421643824640 can be written as Four hundred twenty-one billion, six hundred forty-three million, eight hundred twenty-four thousand, six hundred forty.

Scientific notation

• Scientific notation: 4.2164382464 × 10¹¹

Factors of 421643824640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 1253

Divisors of 421643824640

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 32 34 40 64 68 80 83 85 113 128 136 160 166 170 226 256 272 320 332 340 415 452 512 544 565 640 664 680 830 904 1033 1088 1130 1280 1328 1360 1411 1660 1808 1921 2066 2176 2260 2560 2656 2720 2822 3320 3616 3842 4132 4352 4520 5165 5312 5440 5644 6640 7055 7232 7684 8264 8704 9040 9379 9605 10330 10624 10880 11288 13280 14110 14464 15368 16528 17561 18080 18758 19210 20660 21248 21760 22576 26560 28220 28928 30736 33056 35122 36160 37516 38420 41320 42496 43520 45152 46895 53120 56440 57856 61472 66112 70244 72320 75032 76840 82640 85739 87805 90304 93790 106240 112880 116729 122944 132224 140488 144640 150064 153680 159443 165280 171478 175610 180608 187580 212480 225760 233458 245888 264448 280976 289280 300128 307360 318886 330560 342956 351220 361216 375160 428695 451520 466916 491776 528896 561952 583645 600256 614720 637772 661120 685912 702440 722432 750320 797215 857390 903040 933832 983552 1123904 1167290 1200512 1229440 1275544 1322240 1371824 1404880 1457563 1500640 1594430 1714780 1806080 1867664 1984393 2247808 2334580 2401024 2458880 2551088 2644480 2743648 2809760 2915126 3001280 3188860 3429560 3612160 3735328 3968786 4495616 4669160 4802048 4917760 5102176 5487296 5619520 5830252 6002560 6377720 6859120 7287815 7470656 7937572 8991232 9338320 9688507 9921965 10204352 10974592 11239040 11660504 12005120 12755440 13718240 14575630 14941312 15875144 18676640 19377014 19843930 20408704 21949184 22478080 23321008 24010240 25510880 27436480 29151260 29882624 31750288 37353280 38754028 39687860 40817408 43898368 44956160 46642016 48442535 51021760 54872960 58302520 59765248 63500576 74706560 77508056 79375720 81634816 93284032 96885070 102043520 109745920 116605040 127001152 149413120 155016112 158751440 164704619 186568064 193770140 204087040 219491840 233210080 254002304 298826240 310032224 317502880 329409238 373136128 387540280 408174080 466420160 508004608 620064448 635005760 658818476 746272256 775080560 823523095 932840320 1016009216 1240128896 1270011520 1317636952 1550161120 1647046190 1865680640 2480257792 2540023040 2635273904 3100322240 3294092380 3731361280 4960515584 5080046080 5270547808 6200644480 6588184760 10541095616 12401288960 13176369520 21082191232 24802577920 26352739040 42164382464 52705478080 84328764928 105410956160 210821912320 421643824640
• Sum of all divisors σ(n): 1093966606656
• Sum of proper divisors (its aliquot sum) s(n): 672322782016
• 421643824640 is an abundant number, because the sum of its proper divisors (672322782016) is greater than itself. Its abundance is 250678957376

Bases of 421643824640

• Binary: 110001000101011111011100010111000000000₂
• Hexadecimal: 0x622BEE2E00
• Base-36: 5DP7UHA8

Squares and roots of 421643824640

• 421643824640 squared (421643824640²) is 177783514857047071129600
• 421643824640 cubed (421643824640³) is 74961321162267589927594669113344000
• The square root of 421643824640 is 649341.0695774601
• The cube root of 421643824640 is 7498.6298216375

Scales and comparisons

• 421,643,824,640 seconds is equal to 13,406 years, 50 weeks, 2 days, 20 hours, 37 minutes, 20 seconds.
• To count from 1 to 421,643,824,640 would take you about twenty-six thousand, eight hundred thirteen 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 421643824640 cubic inches would be around 624.9 feet tall.

Recreational maths with 421643824640

• 421643824640 backwards is 046428346124
• The number of decimal digits it has is: 12
• The sum of 421643824640's digits is 44
• More coming soon!