64681638929820

Names of 64681638929820

• Cardinal: 64681638929820 can be written as Sixty-four trillion, six hundred eighty-one billion, six hundred thirty-eight million, nine hundred twenty-nine thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 6.468163892982 × 10¹³

Factors of 64681638929820

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 76774

Divisors of 64681638929820

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 15 18 19 20 22 27 30 33 36 38 44 45 54 55 57 60 66 76 81 90 95 99 108 110 114 121 132 135 162 165 171 180 190 198 209 220 227 228 242 270 285 297 324 330 342 363 380 396 405 418 454 484 495 513 540 570 594 605 627 660 681 684 726 810 836 855 891 908 990 1026 1045 1089 1135 1140 1188 1210 1254 1362 1452 1485 1539 1620 1710 1782 1815 1881 1980 2043 2052 2090 2178 2270 2299 2420 2497 2508 2565 2724 2970 3078 3135 3267 3405 3420 3564 3630 3762 4086 4180 4313 4356 4455 4540 4598 4994 5130 5445 5643 5940 6129 6156 6270 6534 6810 6897 7260 7491 7524 7695 8172 8626 8910 9196 9405 9801 9988 10215 10260 10890 11286 11495 12258 12485 12540 12939 13068 13620 13794 14982 15390 16335 16929 17252 17820 18387 18810 19602 20430 20691 21565 21780 22473 22572 22990 24516 24970 25878 27467 27588 28215 29964 30645 30780 32670 33858 34485 36774 37455 37620 38817 39204 40860 41382 43130 44946 45980 47443 49005 49940 51756 54934 56430 61290 62073 64695 65340 67419 67716 68970 73548 74910 76507 77634 82401 82764 84645 86260 89892 91935 94886 98010 103455 109868 112365 112860 116451 122580 124146 129390 134838 137335 137940 142329 149820 153014 155268 164802 169290 183870 186219 189772 194085 196020 202257 206910 224730 229521 232902 237215 247203 248292 258780 269676 274670 284658 306028 310365 329604 337095 338580 349353 367740 372438 382535 388170 404514 412005 413820 426987 449460 459042 465804 474430 494406 521873 549340 569316 582255 620730 674190 688563 698706 711645 741609 744876 765070 776340 809028 824010 841577 853974 918084 931095 948860 988812 1011285 1043746 1147605 1164510 1236015 1241460 1280961 1348380 1377126 1397412 1423290 1453633 1483218 1530140 1565619 1648020 1683154 1707948 1746765 1862190 2022570 2065689 2087492 2134935 2224827 2295210 2329020 2472030 2524731 2561922 2609365 2754252 2846580 2907266 2966436 3131238 3366308 3442815 3493530 3708045 3724380 3842883 4045140 4131378 4207885 4269870 4360899 4449654 4590420 4696857 4944060 5049462 5123844 5218730 5814532 6197067 6262476 6404805 6885630 6987060 7268165 7416090 7574193 7685766 7828095 8262756 8415770 8539740 8721798 8899308 9257347 9393714 10098924 10328445 10437460 11124135 12394134 12623655 12809610 13082697 13771260 14090571 14536330 14832180 15148386 15371532 15656190 15989963 16831540 17367089 17443596 18514694 18787428 19214415 20656890 21804495 22248270 22722579 23484285 24788268 25247310 25619220 26165394 27772041 28181142 29072660 30296772 30985335 31312380 31979926 34734178 37029388 37870965 38428830 39248091 41313780 42271713 43608990 44496540 45445158 46286735 46968570 47969889 50494620 52101267 52330788 55544082 56362284 61970670 63959852 65413485 68167737 69468356 70452855 75741930 76857660 78496182 79949815 83316123 84543426 86835445 87217980 90890316 92573470 93937140 95939778 104202534 111088164 113612895 117744273 123941340 130826970 136335474 138860205 140905710 143909667 151483860 156303801 156992364 159899630 166632246 169086852 173670890 175889593 185146940 191037979 191879556 196240455 208405068 211358565 227225790 235488546 239849445 249948369 260506335 261653940 272670948 277720410 281811420 287819334 312607602 319799260 329974691 333264492 340838685 347341780 351779186 382075958 392480910 416580615 422717130 431729001 454451580 468911403 470977092 479698890 499896738 521012670 527668779 555440820 573113937 575638668 588721365 625215204 659949382 681677370 703558372 719548335 749845107 764151916 781519005 784961820 833161230 845434260 863458002 879447965 937822806 955189895 959397780 989924073 999793476 1042025340 1055337558 1146227874 1177442730 1249741845 1295187003 1319898764 1363354740 1406734209 1439096670 1499690214 1563038010 1583006337 1649873455 1666322460 1719341811 1726916004 1758895930 1875645612 1910379790 1979848146 2101417769 2110675116 2158645005 2292455748 2344557015 2354885460 2499483690 2590374006 2638343895 2813468418 2865569685 2878193340 2969772219 2999380428 3126076020 3166012674 3299746910 3438683622 3517791860 3629721601 3749225535 3820759580 3959696292 4202835538 4317290010 4689114030 4749019011 4949620365 4998967380 5158025433 5180748012 5276687790 5626936836 5731139370 5939544438 6304253307 6332025348 6475935015 6599493820 6877367244 7033671045 7259443202 7498451070 7915031685 8405671076 8596709055 8634580020 8909316657 9378228060 9498038022 9899240730 10316050866 10507088845 10553375580 10889164803 11462278740 11879088876 12608506614 12951870030 14067342090 14247057033 14518886404 14848861095 14996902140 15474076299 15830063370 17193418110 17818633314 18148608005 18912759921 18996076044 19798481460 20632101732 21014177690 21778329606 23745095055 25217013228 25790127165 25903740060 26727949971 28134684180 28494114066 29697722190 30948152598 31521266535 31660126740 32667494409 34386836220 35637266628 36297216010 37825519842 39926937611 42028355380 43556659212 44546583285 47490190110 51580254330 53455899942 54445824015 56738279763 56988228132 59395444380 61896305196 63042533070 65334988818 71235285165 72594432020 75651039684 77370381495 79853875222 89093166570 94563799605 94980380220 98002483227 103160508660 106911799884 108891648030 113476559526 119780812833 126085066140 130669977636 133639749855 142470570330 154740762990 159707750444 163337472045 170214839289 178186333140 189127599210 196004966454 199634688055 217783296060 226953119052 239561625666 267279499710 283691398815 284941140660 294007449681 309481525980 326674944090 340429678578 359342438499 378255198420 392009932908 399269376110 479123251332 490012416135 534558999420 567382797630 588014899362 598904064165 653349888180 680859357156 718684876998 798538752220 851074196445 980024832270 1078027315497 1134765595260 1176029798724 1197808128330 1437369753996 1470037248405 1702148392890 1796712192495 1960049664540 2156054630994 2395616256660 2940074496810 3234081946491 3404296785780 3593424384990 4312109261988 5390136577485 5880148993620 6468163892982 7186848769980 10780273154970 12936327785964 16170409732455 21560546309940 32340819464910 64681638929820
• Sum of all divisors σ(n): 235807706090880
• Sum of proper divisors (its aliquot sum) s(n): 171126067161060
• 64681638929820 is an abundant number, because the sum of its proper divisors (171126067161060) is greater than itself. Its abundance is 106444428231240

Bases of 64681638929820

• Binary: 1110101101001111011110000111001010010110011100₂
• Hexadecimal: 0x3AD3DE1CA59C
• Base-36: MXEC1SDR0

Squares and roots of 64681638929820

• 64681638929820 squared (64681638929820²) is 4183714414647606154885232400
• 64681638929820 cubed (64681638929820³) is 270609505153719695904495688578057990168000
• The square root of 64681638929820 is 8042489.5977439723
• The cube root of 64681638929820 is 40141.5069148795

Scales and comparisons

• 64,681,638,929,820 seconds is equal to 2,056,676 years, 2 weeks, 2 days, 4 hours, 57 minutes.
• To count from 1 to 64,681,638,929,820 would take you about five million, one hundred forty-one thousand, six hundred ninety 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 64681638929820 cubic inches would be around 3345.1 feet tall.

Recreational maths with 64681638929820

• 64681638929820 backwards is 02892983618646
• The number of decimal digits it has is: 14
• The sum of 64681638929820's digits is 72
• More coming soon!