81422738843564160
81,422,738,843,564,160 is an even composite number composed of six prime numbers multiplied together.
81422738843564160 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one thousand, nine hundred twenty divisors.
Prime factorization of 81422738843564160:
27 × 33 × 5 × 74 × 127 × 39312
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 7 × 7 × 7 × 7 × 127 × 3931 × 3931)See below for interesting mathematical facts about the number 81422738843564160 from the Numbermatics database.
Names of 81422738843564160
- Cardinal: 81422738843564160 can be written as Eighty-one quadrillion, four hundred twenty-two trillion, seven hundred thirty-eight billion, eight hundred forty-three million, five hundred sixty-four thousand, one hundred sixty.
Scientific notation
- Scientific notation: 8.142273884356416 × 1016
Factors of 81422738843564160
Divisors of 81422738843564160
- Number of divisors d(n): 1920
-
Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 32 35 36 40 42 45 48 49 54 56 60 63 64 70 72 80 84 90 96 98 105 108 112 120 126 127 128 135 140 144 147 160 168 180 189 192 196 210 216 224 240 245 252 254 270 280 288 294 315 320 336 343 360 378 381 384 392 420 432 441 448 480 490 504 508 540 560 576 588 630 635 640 672 686 720 735 756 762 784 840 864 882 889 896 945 960 980 1008 1016 1029 1080 1120 1143 1152 1176 1260 1270 1323 1344 1372 1440 1470 1512 1524 1568 1680 1715 1728 1764 1778 1890 1905 1920 1960 2016 2032 2058 2160 2205 2240 2286 2352 2401 2520 2540 2646 2667 2688 2744 2880 2940 3024 3048 3087 3136 3360 3429 3430 3456 3528 3556 3780 3810 3920 3931 4032 4064 4116 4320 4410 4445 4480 4572 4704 4802 5040 5080 5145 5292 5334 5488 5715 5760 5880 6048 6096 6174 6223 6272 6615 6720 6858 6860 7056 7112 7203 7560 7620 7840 7862 8001 8064 8128 8232 8640 8820 8890 9144 9261 9408 9604 10080 10160 10290 10584 10668 10976 11430 11760 11793 12005 12096 12192 12348 12446 13230 13335 13440 13716 13720 14112 14224 14406 15120 15240 15435 15680 15724 16002 16256 16464 17145 17280 17640 17780 18288 18522 18669 18816 19208 19655 20160 20320 20580 21168 21336 21609 21952 22860 23520 23586 24003 24010 24192 24384 24696 24892 26460 26670 27432 27440 27517 28224 28448 28812 30240 30480 30870 31115 31360 31448 32004 32928 34290 35280 35379 35560 36015 36576 37044 37338 38416 39310 40005 40320 40640 41160 42336 42672 43218 43561 43904 45720 46305 47040 47172 48006 48020 48768 49392 49784 52920 53340 54864 54880 55034 56007 56448 56896 57624 58965 60480 60960 61740 62230 62896 64008 64827 65856 68580 70560 70758 71120 72030 73152 74088 74676 76832 78620 80010 81280 82320 82551 84672 85344 86436 87122 91440 92610 93345 94080 94344 96012 96040 98784 99568 105840 106137 106680 108045 109728 109760 110068 112014 113792 115248 117930 120015 120960 121920 123480 124460 125792 128016 129654 130683 131712 137160 137585 141120 141516 142240 144060 146304 148176 149352 153664 157240 160020 164640 165102 168021 169344 170688 172872 174244 176895 182880 185220 186690 188688 192024 192080 192619 197568 199136 211680 212274 213360 216090 217805 219456 219520 220136 224028 230496 235860 240030 243840 246960 247653 248920 251584 256032 259308 261366 274320 275170 280035 282240 283032 284480 288120 296352 298704 304927 307328 314480 320040 324135 329280 330204 336042 341376 345744 348488 353790 365760 370440 373380 377376 384048 384160 385238 392049 395136 398272 412755 423360 424548 426720 432180 435610 438912 440272 448056 460992 471720 480060 493920 495306 497840 499237 503168 512064 518616 522732 530685 548640 550340 560070 566064 568960 576240 577857 592704 597408 609854 628960 640080 648270 653415 658560 660408 672084 691488 696976 707580 731520 740880 742959 746760 754752 768096 768320 770476 784098 796544 825510 840105 846720 849096 853440 864360 871220 880544 896112 914781 921984 943440 960120 963095 987840 990612 995680 998474 1024128 1037232 1045464 1061370 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339219009472 345216394656 353250116460 363448938720 369874708560 370912622283 371020791610 373833194112 376800124224 381621385656 383573771840 384650126812 408880056060 412125135870 422713952640 423900139752 424023761840 431520493320 436138726464 439600144928 445224949932 460288526208 467291492640 471000155280 477026732070 480812658515 484598584960 493166278080 494550163044 508828514208 517824591984 529875174690 545173408080 549500181160 556531187415 565200186336 572432078484 575360657760 576975190218 591799533696 593633266576 618187703805 623055323520 628000207040 636035642760 647280739980 654208089696 659400217392 667837424898 673137721921 678438018944 690432789312 706500232920 715540098105 726897877440 739749417120 741825244566 742041583220 753600248448 763242771312 767147543680 769300253624 817760112120 824250271740 847800279504 848047523680 863040986640 865462785327 872277452928 879200289856 890449899864 934582985280 942000310560 954053464140 961625317030 986332556160 989100326088 1001756137347 1017657028416 1035649183968 1059750349380 1090346816160 1099000362320 1113062374830 1130400372672 1144864156968 1150721315520 1153950380436 1187266533152 1236375407610 1256000414080 1272071285520 1294561479960 1308416179392 1318800434784 1335674849796 1346275443842 1380865578624 1413000465840 1431080196210 1442437975545 1453795754880 1479498834240 1483650489132 1484083166440 1526485542624 1538600507248 1635520224240 1648500543480 1669593562245 1695600559008 1696095047360 1726081973280 1730925570654 1758400579712 1780899799728 1854563111415 1869165970560 1884000621120 1908106928280 1923250634060 1978200652176 2003512274694 2019413165763 2035314056832 2071298367936 2119500698760 2180693632320 2198000724640 2226124749660 2260800745344 2289728313936 2301442631040 2307900760872 2374533066304 2472750815220 2544142571040 2589122959920 2596388355981 2616832358784 2637600869568 2671349699592 2692550887684 2826000931680 2862160392420 2884875951090 2958997668480 2967300978264 2968166332880 3052971085248 3077201014496 3271040448480 3297001086960 3339187124490 3365688609605 3391201118016 3392190094720 3452163946560 3461851141308 3561799599456 3709126222830 3768001242240 3816213856560 3846501268120 3956401304352 4007024549388 4038826331526 4142596735872 4239001397520 4327313926635 4361387264640 4396001449280 4452249499320 4579456627872 4615801521744 4711964053447 4749066132608 4945501630440 5008780686735 5088285142080 5178245919840 5192776711962 5275201739136 5342699399184 5385101775368 5652001863360 5724320784840 5769751902180 5934601956528 5936332665760 6058239497289 6105942170496 6154402028992 6542080896960 6594002173920 6678374248980 6731377219210 6782402236032 6904327893120 6923702282616 7123599198912 7418252445660 7632427713120 7693002536240 7912802608704 8014049098776 8077652663052 8478002795040 8654627853270 8792002898560 8904498998640 9158913255744 9231603043488 9423928106894 9891003260880 10017561373470 10097065828815 10176570284160 10356491839680 10385553423924 10685398798368 10770203550736 11304003726720 11448641569680 11539503804360 11869203913056 11872665331520 12116478994578 12308804057984 12981941779905 13084161793920 13188004347840 13356748497960 13462754438420 13847404565232 14135892160341 14247198397824 14836504891320 15264855426240 15386005072480 15825605217408 16028098197552 16155305326104 16956005590080 17309255706540 17808997997280 18174718491867 18317826511488 18463206086976 18847856213788 19782006521760 20035122746940 20194131657630 20712983679360 20771106847848 21370797596736 21540407101472 22897283139360 23079007608720 23559820267235 23738407826112 23745330663040 24232957989156 25963883559810 26376008695680 26713496995920 26925508876840 27694809130464 28271784320682 29673009782640 30291197486445 30529710852480 30772010144960 32056196395104 32310610652208 33912011180160 34618511413080 35617995994560 36349436983734 36926412173952 37695712427576 39564013043520 40070245493880 40388263315260 41542213695696 42407676481023 42741595193472 43080814202944 45794566278720 46158015217440 47119640534470 47476815652224 48465915978312 51927767119620 53426993991840 53851017753680 55389618260928 56543568641364 59346019565280 60582394972890 61544020289920 64112392790208 64621221304416 69237022826160 70679460801705 71235991989120 72698873967468 75391424855152 79128026087040 80140490987760 80776526630520 83084427391392 84815352962046 86161628405888 90873592459335 91589132557440 92316030434880 94239281068940 96931831956624 103855534239240 106853987983680 107702035507360 110779236521856 113087137282728 118692039130560 121164789945780 127223029443069 128224785580416 129242442608832 138474045652320 141358921603410 145397747934936 150782849710304 160280981975520 161553053261040 166168854782784 169630705924092 181747184918670 184632060869760 188478562137880 193863663913248 207711068478480 212038382405115 213707975967360 215404071014720 226174274565456 237384078261120 242329579891560 254446058886138 258484885217664 276948091304640 282717843206820 290795495869872 301565699420608 320561963951040 323106106522080 332337709565568 339261411848184 363494369837340 376957124275760 387727327826496 415422136956960 424076764810230 430808142029440 452348549130912 484659159783120 508892117772276 553896182609280 565435686413640 581590991739744 603131398841216 636115147215345 641123927902080 646212213044160 678522823696368 726988739674680 753914248551520 775454655652992 830844273913920 848153529620460 904697098261824 969318319566240 1017784235544552 1130871372827280 1163181983479488 1272230294430690 1292424426088320 1357045647392736 1453977479349360 1507828497103040 1661688547827840 1696307059240920 1809394196523648 1938636639132480 2035568471089104 2261742745654560 2326363966958976 2544460588861380 2714091294785472 2907954958698720 3015656994206080 3392614118481840 3877273278264960 4071136942178208 4523485491309120 5088921177722760 5428182589570944 5815909917397440 6785228236963680 8142273884356416 9046970982618240 10177842355445520 11631819834794880 13570456473927360 16284547768712832 20355684710891040 27140912947854720 40711369421782080 81422738843564160
- Sum of all divisors σ(n): 339149422347724800
- Sum of proper divisors (its aliquot sum) s(n): 257726683504160640
- 81422738843564160 is an abundant number, because the sum of its proper divisors (257726683504160640) is greater than itself. Its abundance is 176303944660596480
Bases of 81422738843564160
- Binary: 1001000010100010110001100101100010110100011111000100000002
- Hexadecimal: 0x121458CB168F880
- Base-36: M9PY9UAN1C0
Squares and roots of 81422738843564160
- 81422738843564160 squared (814227388435641602) is 6629662400787251883340652036505600
- 81422738843564160 cubed (814227388435641603) is 539805270280296998040933949196237033359935799296000
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The
square root of 81422738843564160 is 285346699.3738742373 -
The
cube root of 81422738843564160 is 433426.2751843635
Scales and comparisons
How big is 81422738843564160?- 81,422,738,843,564,160 seconds is equal to 2,588,991,238 years, 8 weeks, 1 day, 9 hours, 36 minutes.
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To count from 1 to 81,422,738,843,564,160 would take you about seven billion, seven hundred sixty-six million, nine hundred seventy-three thousand, seven hundred fourteen 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 81422738843564160 cubic inches would be around 36118.9 feet tall.
Recreational maths with 81422738843564160
- 81422738843564160 backwards is 06146534883722418
- 81422738843564160 is a
Harshad number . - The number of decimal digits it has is: 17
- The sum of 81422738843564160's digits is 72
- More coming soon!
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The information we have on file for 81422738843564160 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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