813968455686642

Names of 813968455686642

• Cardinal: 813968455686642 can be written as Eight hundred thirteen trillion, nine hundred sixty-eight billion, four hundred fifty-five million, six hundred eighty-six thousand, six hundred forty-two.

Scientific notation

• Scientific notation: 8.13968455686642 × 10¹⁴

Factors of 813968455686642

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 368

Divisors of 813968455686642

• Number of divisors d(n): 420
• Complete list of divisors:
  1 2 3 6 9 18 27 29 53 54 58 81 87 106 159 162 174 243 261 281 318 477 486 522 562 729 783 841 843 954 1431 1458 1537 1566 1682 1686 2349 2523 2529 2809 2862 3074 4293 4611 4698 5046 5058 5618 7047 7569 7587 8149 8427 8586 9222 12879 13833 14094 14893 15138 15174 16298 16854 21141 22707 22761 24389 24447 25281 25758 27666 29786 38637 41499 42282 44573 44679 45414 45522 48778 48894 50562 68121 68283 73167 73341 75843 77274 81461 82998 89146 89358 124497 133719 134037 136242 136566 146334 146682 151686 162922 204363 204849 219501 220023 227529 236321 244383 248994 267438 268074 373491 401157 402111 408726 409698 431897 439002 440046 455058 472642 488766 613089 658503 660069 682587 707281 708963 733149 746982 789329 802314 804222 863794 1120473 1203471 1206333 1226178 1292617 1295691 1317006 1320138 1365174 1414562 1417926 1466298 1578658 1975509 1980207 2047761 2121843 2126889 2199447 2240946 2362369 2367987 2406942 2412666 2585234 2591382 3610413 3618999 3877851 3887073 3951018 3960414 4095522 4243686 4253778 4398894 4724738 4735974 5926527 5940621 6365529 6380667 6598341 6853309 7087107 7103961 7220826 7237998 7755702 7774146 10831239 10856997 11633553 11661219 11853054 11881242 12525013 12731058 12761334 13196682 13706618 14174214 14207922 17779581 19096587 19142001 19795023 20559927 21261321 21311883 21662478 21713994 22890541 23267106 23322438 25050026 32493717 34900659 34983657 35559162 37485893 37575039 38193174 38284002 39590046 41119854 42522642 42623766 45781082 57289761 57426003 59385069 61679781 63783963 63935649 64987434 68508701 68671623 69801318 69967314 74971786 75150078 104701977 104950971 112457679 112725117 114579522 114852006 118770138 123359562 127567926 127871298 137017402 137343246 171869283 172278009 185039343 191351889 191806947 198745961 205526103 206014869 209403954 209901942 224915358 225450234 314105931 314852913 337373037 338175351 343738566 344556018 363225377 370078686 382703778 383613894 397491922 411052206 412029738 515607849 555118029 574055667 575420841 596237883 616578309 618044607 628211862 629705826 663825689 674746074 676350702 726450754 942317793 1012119111 1014526053 1031215698 1089676131 1110236058 1148111334 1150841682 1192475766 1233156618 1236089214 1327651378 1665354087 1722167001 1788713649 1849734927 1854133821 1884635586 1986752329 1991477067 2024238222 2029052106 2179352262 3036357333 3043578159 3269028393 3330708174 3444334002 3577427298 3699469854 3708267642 3973504658 3982954134 4996062261 5366140947 5549204781 5562401463 5960256987 5974431201 6072714666 6087156318 6538056786 9109071999 9130734477 9807085179 9992124522 10533535933 10732281894 11098409562 11124802926 11920513974 11948862402 16098422841 16647614343 16687204389 17880770961 17923293603 18218143998 18261468954 19250944981 19614170358 21067071866 27327215997 29421255537 31600607799 32196845682 33295228686 33374408778 35761541922 35846587206 38501889962 48295268523 49942843029 53642312883 53769880809 54654431994 57752834943 58842511074 63201215598 88263766611 94801823397 96590537046 99885686058 107284625766 107539761618 115505669886 144885805569 160926938649 161309642427 173258504829 176527533222 189603646794 264791299833 284405470191 289771611138 321853877298 322619284854 346517009658 482780815947 483928927281 519775514487 529582599666 558277404449 568810940382 853216410573 965561631894 967857854562 1039551028974 1116554808898 1448342447841 1559326543461 1674832213347 1706432821146 2559649231719 2896684895682 3118653086922 3349664426694 4677979630383 5024496640041 5119298463438 7678947695157 9355959260766 10048993280082 14033938891149 15073489920123 15357895390314 28067877782298 30146979840246 45220469760369 90440939520738 135661409281107 271322818562214 406984227843321 813968455686642
• Sum of all divisors σ(n): 1939294697482674
• Sum of proper divisors (its aliquot sum) s(n): 1125326241796032
• 813968455686642 is an abundant number, because the sum of its proper divisors (1125326241796032) is greater than itself. Its abundance is 311357786109390

Bases of 813968455686642

• Binary: 10111001000100110011001100101010001101100111110010₂
• Hexadecimal: 0x2E44CCCA8D9F2
• Base-36: 80IZY2H14I

Squares and roots of 813968455686642

• 813968455686642 squared (813968455686642²) is 662544646852896881227697236164
• 813968455686642 cubed (813968455686642³) is 539290443022304068091594042848129692254121288
• The square root of 813968455686642 is 28530132.4162128979
• The cube root of 813968455686642 is 93368.9607515767

Scales and comparisons

• 813,968,455,686,642 seconds is equal to 25,881,679 years, 6 weeks, 2 days, 1 hour, 50 minutes, 42 seconds.
• To count from 1 to 813,968,455,686,642 would take you about sixty-four million, seven hundred four thousand, one hundred ninety-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 813968455686642 cubic inches would be around 7780.7 feet tall.

Recreational maths with 813968455686642

• 813968455686642 backwards is 246686554869318
• 813968455686642 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 813968455686642's digits is 81
• More coming soon!