399839947668

Names of 399839947668

• Cardinal: 399839947668 can be written as Three hundred ninety-nine billion, eight hundred thirty-nine million, nine hundred forty-seven thousand, six hundred sixty-eight.

Scientific notation

• Scientific notation: 3.99839947668 × 10¹¹

Factors of 399839947668

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 252

Divisors of 399839947668

• Number of divisors d(n): 648
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 19 21 28 31 36 38 42 49 53 57 62 63 76 84 93 98 106 114 124 126 133 137 147 159 171 186 196 212 217 228 252 266 274 279 294 318 342 371 372 399 411 434 441 477 532 548 558 588 589 636 651 684 742 798 822 868 882 931 954 959 1007 1113 1116 1178 1197 1233 1302 1484 1519 1596 1643 1644 1764 1767 1862 1908 1918 1953 2014 2226 2356 2394 2466 2597 2603 2604 2793 2809 2877 3021 3038 3286 3339 3534 3724 3836 3906 4028 4123 4247 4452 4557 4788 4929 4932 5194 5206 5301 5586 5618 5754 6042 6076 6572 6678 6713 7049 7068 7261 7791 7809 7812 8246 8379 8427 8494 8631 9063 9114 9858 10388 10412 10602 11172 11236 11501 11508 12084 12369 12741 13356 13426 13671 14098 14522 14787 15582 15618 16492 16758 16854 16988 17262 18126 18221 18228 19663 19716 20139 21147 21204 21783 23002 23373 23427 24738 25281 25482 26852 27342 28196 28861 29044 29574 29729 31164 31217 31236 33516 33708 34503 34524 36252 36442 37107 38223 39326 40278 42294 43566 46004 46746 46854 49343 49476 50562 50827 50964 53371 54663 54684 57722 58989 59148 59458 60417 62434 63441 65349 69006 72884 74214 76446 78652 80507 80556 80693 84588 86583 87079 87132 89187 93492 93651 93708 98686 101124 101654 103509 106742 109326 115444 117978 118916 120834 124868 126882 127547 130698 137641 137959 138012 148029 148428 152481 152892 160113 161014 161386 163989 173166 174158 176967 178374 187302 197372 203308 207018 208103 213484 218519 218652 225091 235956 241521 241668 242079 253764 255094 259749 261237 261396 267561 275282 275918 280953 296058 304962 320226 322028 322772 327978 346332 348316 353934 355789 356748 373597 374604 382641 384833 412923 413877 414036 416206 437038 444087 450182 457443 480339 483042 484158 510188 519498 522474 535122 550564 551836 561906 564851 592116 609553 609924 624309 640452 655557 655956 675273 707868 711578 724563 726237 747194 765282 769666 783711 825846 827754 832412 874076 888174 900364 914886 960678 965713 966084 968316 1038996 1044948 1067367 1070244 1120791 1123812 1129702 1147923 1154499 1219106 1238769 1241631 1248618 1311114 1350546 1423156 1449126 1452474 1494388 1529633 1530564 1539332 1567422 1575637 1651692 1654501 1655508 1694553 1776348 1828659 1829772 1872927 1921356 1931426 1966671 2025819 2134734 2241582 2259404 2295846 2308998 2438212 2477538 2483262 2497236 2615179 2622228 2693831 2701092 2897139 2898252 2904948 3059266 3134844 3151274 3202101 3309002 3362373 3389106 3463497 3657318 3745854 3862852 3933342 3953957 4051638 4266871 4269468 4276729 4483164 4588899 4591692 4617996 4726911 4955076 4963503 4966524 5083659 5230358 5387662 5485977 5794278 6118532 6302548 6404202 6618004 6724746 6759991 6778212 6926994 7311827 7314636 7491708 7845537 7866684 7907914 8081493 8103276 8533742 8553458 8691417 9177798 9453822 9927006 10167318 10460716 10775324 10971954 11029459 11581507 11588556 11861871 11929823 12800613 12808404 12830187 13449492 13519982 13766697 13853988 14180733 14623654 14890509 15691074 15815828 16162986 17067484 17106916 17382834 18355596 18856817 18907644 19854012 20279973 20334636 21935481 21943908 22058918 23163014 23536611 23723742 23859646 24244479 25601226 25660374 27039964 27533394 28361466 29247308 29781018 29937103 31382148 32325972 33088377 34744521 34765668 35585613 35789469 37713634 38401839 38490561 40559946 43870962 44117836 46326028 47073222 47447484 47719292 48488958 51182789 51202452 51320748 55066788 56570451 56722932 59562036 59874206 60839919 65806443 66176754 69489042 71171226 71578938 75427268 76803678 76981122 81070549 81119892 83508761 87741924 89811309 94146444 96977916 99265131 102365578 104233563 107368407 113140902 119748412 121679838 131612886 132353508 138978084 142342452 143157876 153548367 153607356 153962244 162141098 167017522 169711353 179622618 198530262 204731156 208467126 209559721 214736814 226281804 226666637 243211647 243359676 250526283 263225772 269433927 307096734 324282196 334035044 339422706 358279523 359245236 397060524 416934252 419119442 429473628 453333274 460645101 486423294 501052566 538867854 584561327 614193468 628679163 678845412 679999911 716559046 729634941 751578849 838238884 906666548 921290202 972846588 1002105132 1074838569 1077735708 1169122654 1257358326 1359999822 1433118092 1459269882 1503157698 1586666459 1753683981 1842580404 1886037489 2039999733 2149677138 2338245308 2514716652 2719999644 2918539764 3006315396 3173332918 3224515707 3507367962 3772074978 4079999466 4299354276 4759999377 5261051943 6346665836 6449031414 7014735924 7544149956 8159998932 9519998754 10522103886 11106665213 12898062828 14279998131 19039997508 21044207772 22213330426 28559996262 33319995639 44426660852 57119992524 66639991278 99959986917 133279982556 199919973834 399839947668
• Sum of all divisors σ(n): 1311585649920
• Sum of proper divisors (its aliquot sum) s(n): 911745702252
• 399839947668 is an abundant number, because the sum of its proper divisors (911745702252) is greater than itself. Its abundance is 511905754584

Bases of 399839947668

• Binary: 101110100011000010100010110101110010100₂
• Hexadecimal: 0x5D18516B94
• Base-36: 53OMDQ50

Squares and roots of 399839947668

• 399839947668 squared (399839947668²) is 159871983751148978638224
• 399839947668 cubed (399839947668³) is 63923205616638753953579134064461632
• The square root of 399839947668 is 632328.9868952711
• The cube root of 399839947668 is 7367.0801364573

Scales and comparisons

• 399,839,947,668 seconds is equal to 12,713 years, 35 weeks, 4 hours, 7 minutes, 48 seconds.
• To count from 1 to 399,839,947,668 would take you about twenty-five thousand, four hundred twenty-seven 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 399839947668 cubic inches would be around 613.9 feet tall.

Recreational maths with 399839947668

• 399839947668 backwards is 866749938993
• The number of decimal digits it has is: 12
• The sum of 399839947668's digits is 81
• More coming soon!