81838296343518

Names of 81838296343518

• Cardinal: 81838296343518 can be written as Eighty-one trillion, eight hundred thirty-eight billion, two hundred ninety-six million, three hundred forty-three thousand, five hundred eighteen.

Scientific notation

• Scientific notation: 8.1838296343518 × 10¹³

Factors of 81838296343518

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 77

Divisors of 81838296343518

• Number of divisors d(n): 648
• Complete list of divisors:
  1 2 3 6 11 13 19 22 26 29 33 38 39 57 58 66 78 87 114 121 143 169 174 209 242 247 286 319 338 361 363 377 418 429 494 507 551 627 638 722 726 741 754 841 858 957 1014 1083 1102 1131 1254 1482 1573 1653 1682 1859 1914 2166 2197 2262 2299 2523 2717 3146 3211 3306 3509 3718 3971 4147 4394 4598 4693 4719 4901 5046 5434 5577 6061 6422 6591 6897 7018 7163 7942 8151 8294 9251 9386 9438 9633 9802 10469 10527 10933 11154 11913 12122 12441 13182 13794 14079 14326 14703 15979 16302 18183 18502 19266 20449 20938 21054 21489 21866 23826 24167 24882 27753 28158 28561 29406 29887 31407 31958 32799 35321 36366 40898 41743 42978 43681 45617 47937 48334 51623 53911 55506 57122 59774 61009 61347 62814 63713 65598 66671 70642 72501 78793 83486 85683 87362 89661 91234 93119 95874 101761 103246 105963 107822 115159 120263 122018 122694 125229 127426 131043 133342 136097 136851 142129 145002 154869 157586 161733 171366 175769 179322 183027 186238 191139 200013 203522 207727 211926 230318 236379 240526 250458 262086 265837 272194 273702 279357 284258 303601 305283 309738 314171 323466 345477 351538 360789 366054 371293 382278 388531 400026 408291 415454 426387 459173 472758 527307 531674 542659 558714 567853 593021 607202 610566 623181 628342 671099 690954 700843 721578 742586 777062 793117 797511 816582 828269 852774 866723 910803 918346 942513 1024309 1054614 1085318 1113879 1135706 1165593 1186042 1210547 1246362 1266749 1322893 1342198 1377519 1401686 1497067 1563419 1586234 1595022 1627977 1656538 1703559 1733446 1769261 1779063 1821606 1847677 1885026 1933459 2013297 2048618 2102529 2227758 2284997 2331186 2379351 2421094 2484807 2533498 2600169 2645786 2700451 2755038 2994134 3072927 3126838 3255954 3339611 3407118 3455881 3538522 3558126 3631641 3695354 3800247 3866918 3946813 3968679 4026594 4084223 4205058 4491201 4569994 4690257 4758702 4969614 5050903 5200338 5307783 5400902 5543031 5800377 5969249 6145854 6679222 6854991 6911762 7054567 7263282 7382089 7600494 7709273 7893626 7937358 8101353 8168446 8724287 8982402 9110959 9380514 10018833 10101806 10310521 10367643 10615566 10767497 11086062 11267399 11600754 11840439 11938498 12252669 13316017 13709982 14109134 14764178 15152709 15418546 15737111 16202706 16467737 17197609 17448574 17907747 18221918 19461871 20037666 20324447 20621042 20735286 21163701 21534994 22146267 22534798 23000393 23127819 23680878 24019801 24505338 25134967 26172861 26632034 27332877 29704961 30305418 30931563 31474222 32302491 32935474 33802197 34395218 35105863 35815494 36735721 38923742 39948051 40648894 42327402 43414943 44292534 44926453 46000786 46255638 47211333 48039602 49403211 50269934 51308569 51592827 52345722 54665754 58385613 59409922 60973341 61863126 64604982 65661739 67604394 69001179 70211726 72059403 73471442 75404901 77600237 79896102 86829886 89114883 89852906 94422666 95967157 98806422 100220549 102617138 103185654 105317589 110207163 113415731 116771226 118442467 121946682 130244829 131323478 134036773 134779359 138002358 144118806 146476187 150809802 153925707 155200474 173108221 178229766 191934314 196985217 200441098 204582443 210635178 214080581 220414326 223568917 226831462 232800711 236884934 253004323 260489658 264217811 268073546 269558718 287901471 292952374 299005109 300661647 307851414 312257413 326754571 340247193 346216442 355327401 386164493 393970434 402110319 409164886 428161162 439428561 447137834 456376219 465601422 477564373 506008646 519324663 528435622 564394259 575802942 598010218 601323294 613747329 624514826 642241743 653509142 667011397 670706751 680494386 710654802 759012969 772328986 792653433 804220638 853602607 878857122 897015327 912752438 936772239 955128746 980263713 1038649326 1128788518 1158493479 1227494658 1247573041 1284483486 1302867137 1334022794 1341413502 1369128657 1432693119 1474404503 1518025938 1585306866 1693182777 1707205214 1794030654 1873544478 1904190431 1960527426 2001034191 2250406873 2316986958 2495146082 2560807821 2605734274 2738257314 2783047553 2865386238 2906395921 2948809006 3289056199 3386365554 3434831543 3742719123 3808380862 3887066417 3908601411 4002068382 4247809423 4423213509 4500813746 5020138409 5121615642 5566095106 5712571293 5812791842 5932890847 6208336849 6578112398 6751220619 6869663086 7337125367 7485438246 7774132834 7817202822 8349142659 8495618846 8671148161 8719187763 8846427018 9867168597 10040276818 10304494629 11425142586 11661199251 11865781694 12416673698 12743428269 13502441238 14674250734 15060415227 16218449533 16698285318 17342296322 17438375526 17798672541 18625010547 19734337194 20608989258 22011376101 23322398502 24754475603 25486856538 26013444483 30120830454 32436899066 35597345082 36179618189 37250021094 37783146973 42757730587 44022752202 48655348599 49508951206 52026888966 55221522499 65261799317 72359236378 74263426809 75566293946 80708379037 85515461174 95382629771 97310697198 108538854567 110443044998 112724926093 113349440919 128273191761 130523598634 148526853618 161416758074 165664567497 190765259542 195785397951 217077709134 225449852186 226698881838 242125137111 256546383522 286147889313 331329134994 338174778279 391570795902 470335036457 484250274222 572295778626 676349556558 717879792487 940670072914 1049208927481 1239974187023 1411005109371 1435759584974 2098417854962 2153639377461 2479948374046 2822010218742 3147626782443 3719922561069 4307278754922 6295253564886 7439845122138 13639716057253 27279432114506 40919148171759 81838296343518
• Sum of all divisors σ(n): 213036881193864
• Sum of proper divisors (its aliquot sum) s(n): 131198584850346
• 81838296343518 is an abundant number, because the sum of its proper divisors (131198584850346) is greater than itself. Its abundance is 49360288506828

Bases of 81838296343518

• Binary: 10010100110111001110110100101010010001111011110₂
• Hexadecimal: 0x4A6E769523DE
• Base-36: T0BZSN2E6

Squares and roots of 81838296343518

• 81838296343518 squared (81838296343518²) is 6697506748409471648660616324
• 81838296343518 cubed (81838296343518³) is 548112542039045993186820404070541502387832
• The square root of 81838296343518 is 9046452.1412274105
• The cube root of 81838296343518 is 43416.2384009293

Scales and comparisons

• 81,838,296,343,518 seconds is equal to 2,602,204 years, 35 weeks, 2 days, 23 hours, 25 minutes, 18 seconds.
• To count from 1 to 81,838,296,343,518 would take you about six million, five hundred five thousand, five hundred eleven 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 81838296343518 cubic inches would be around 3618 feet tall.

Recreational maths with 81838296343518

• 81838296343518 backwards is 81534369283818
• The number of decimal digits it has is: 14
• The sum of 81838296343518's digits is 69
• More coming soon!