820139608431

Names of 820139608431

• Cardinal: 820139608431 can be written as Eight hundred twenty billion, one hundred thirty-nine million, six hundred eight thousand, four hundred thirty-one.

Scientific notation

• Scientific notation: 8.20139608431 × 10¹¹

Factors of 820139608431

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 114

Divisors of 820139608431

• Number of divisors d(n): 448
• Complete list of divisors:
  1 3 9 11 13 19 27 31 33 37 39 57 81 93 99 111 117 143 171 209 243 247 279 297 333 341 351 361 403 407 429 481 513 589 627 703 729 741 837 891 999 1023 1053 1083 1147 1209 1221 1287 1443 1539 1767 1881 2109 2223 2511 2673 2717 2997 3069 3159 3249 3441 3627 3663 3861 3971 4329 4433 4617 4693 5291 5301 5643 6327 6479 6669 6859 7533 7657 7733 8019 8151 8991 9139 9207 9477 9747 10323 10881 10989 11191 11583 11913 12617 12987 13299 13357 13851 14079 14911 15873 15903 16929 18981 19437 20007 20577 21793 22599 22971 23199 24453 26973 27417 27621 29241 30969 32643 32967 33573 34749 35739 37851 38961 39897 40071 42237 44733 47619 47709 50787 51623 56943 58311 60021 61731 65379 68913 69597 73359 75449 82251 82863 84227 87723 89167 92907 97929 98901 100529 100719 104247 107217 113553 116883 119691 120213 123101 126711 134199 142857 143127 145483 146927 152361 154869 164021 170829 173641 174933 180063 185193 196137 206739 208791 212629 220077 226347 239723 246753 248589 252681 253783 263169 267501 278721 283309 293787 296703 301587 302157 321651 340659 350649 359073 360639 369303 380133 402597 414067 428571 429381 436449 440781 464607 492063 512487 520923 524799 555579 588411 620217 626373 637887 660231 679041 719169 740259 758043 761349 802503 836163 849927 904761 906471 964953 980837 1021977 1077219 1081917 1107909 1140399 1207791 1242201 1285713 1309347 1322343 1393821 1476189 1562769 1574397 1600313 1666737 1765233 1860651 1879119 1910051 1913661 1980693 2037123 2157507 2220777 2274129 2284047 2338919 2407509 2549781 2714283 2719413 2764177 2791613 2894859 2942511 3065931 3116399 3231657 3245751 3299179 3323727 3421197 3623373 3726603 3857139 3928041 3967029 4181463 4428567 4554737 4688307 4723191 4800939 5000211 5295699 5382871 5581953 5637357 5730153 5740983 6111369 6472521 6662331 6822387 6852141 7016757 7222527 7649343 7867273 8142849 8158239 8292531 8374839 8827533 9197793 9349197 9737253 9897537 9971181 10870119 11179809 11784123 11901087 12544389 13285701 13664211 14064921 14402817 15887097 16148613 17190459 17222949 18334107 19417563 20467161 20556423 21050271 21667581 22948029 23601819 24428547 24877593 25124517 26482599 28047591 29692611 29913543 30405947 33539427 35352369 35703261 36290969 37633167 39857103 40992633 42194763 43208451 48445839 51571377 51668847 55002321 58252689 59211581 61401483 61669269 63150813 65002743 68844087 70805457 73285641 74632779 75373551 79447797 84142773 86540003 89077833 89740629 91217841 100618281 102274549 106057107 107109783 108872907 119571309 122977899 126584289 129625353 145337517 154714131 155006541 174758067 177634743 185007807 189452439 206532261 212416371 223898337 226120653 238343391 252428319 259620009 267233499 273653523 301854843 306823647 326618721 368933697 388876059 436012551 464142393 532904229 568357317 637249113 671695011 678361959 715030173 757284957 778860027 801700497 820960569 920470941 979856163 1106801091 1125020039 1166628177 1308037653 1392427179 1598712687 1705071951 1911747339 2015085033 2035085877 2271854871 2336580081 2405101491 2462881707 2761412823 2939568489 3320403273 3375060117 3924112959 4796138061 5735242017 7009740243 7388645121 8284238469 8818705467 10125180351 14388414183 21029220729 22165935363 24852715407 26456116401 30375541053 43165242549 63087662187 74558146221 91126623159 273379869477 820139608431
• Sum of all divisors σ(n): 1616596316160
• Sum of proper divisors (its aliquot sum) s(n): 796456707729
• 820139608431 is a deficient number, because the sum of its proper divisors (796456707729) is less than itself. Its deficiency is 23682900702

Bases of 820139608431

• Binary: 1011111011110100001000010100100101101111₂
• Hexadecimal: 0xBEF421496F
• Base-36: AGRLY3XR

Squares and roots of 820139608431

• 820139608431 squared (820139608431²) is 672628977317354006281761
• 820139608431 cubed (820139608431³) is 551649666076398695532932580797126991
• The square root of 820139608431 is 905615.5963934145
• The cube root of 820139608431 is 9360.4327804699

Scales and comparisons

• 820,139,608,431 seconds is equal to 26,077 years, 46 weeks, 6 days, 13 hours, 53 minutes, 51 seconds.
• To count from 1 to 820,139,608,431 would take you about fifty-two thousand, one hundred fifty-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 820139608431 cubic inches would be around 780 feet tall.

Recreational maths with 820139608431

• 820139608431 backwards is 134806931028
• The number of decimal digits it has is: 12
• The sum of 820139608431's digits is 45
• More coming soon!