81418291399390400
81,418,291,399,390,400 is an even composite number composed of seven prime numbers multiplied together.
81418291399390400 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of six hundred seventy-two divisors.
Prime factorization of 81418291399390400:
26 × 52 × 7 × 13 × 701 × 9587 × 83207
(2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 7 × 13 × 701 × 9587 × 83207)See below for interesting mathematical facts about the number 81418291399390400 from the Numbermatics database.
Names of 81418291399390400
- Cardinal: 81418291399390400 can be written as Eighty-one quadrillion, four hundred eighteen trillion, two hundred ninety-one billion, three hundred ninety-nine million, three hundred ninety thousand, four hundred.
Scientific notation
- Scientific notation: 8.14182913993904 × 1016
Factors of 81418291399390400
Divisors of 81418291399390400
- Number of divisors d(n): 672
-
Complete list of divisors:
1 2 4 5 7 8 10 13 14 16 20 25 26 28 32 35 40 50 52 56 64 65 70 80 91 100 104 112 130 140 160 175 182 200 208 224 260 280 320 325 350 364 400 416 448 455 520 560 650 700 701 728 800 832 910 1040 1120 1300 1400 1402 1456 1600 1820 2080 2240 2275 2600 2800 2804 2912 3505 3640 4160 4550 4907 5200 5600 5608 5824 7010 7280 9100 9113 9587 9814 10400 11200 11216 14020 14560 17525 18200 18226 19174 19628 20800 22432 24535 28040 29120 35050 36400 36452 38348 39256 44864 45565 47935 49070 56080 63791 67109 70100 72800 72904 76696 78512 83207 91130 95870 98140 112160 122675 124631 127582 134218 140200 145600 145808 153392 157024 166414 182260 191740 196280 224320 227825 239675 245350 249262 255164 268436 280400 291616 306784 314048 318955 332828 335545 364520 383480 392560 416035 455650 479350 490700 498524 510328 536872 560800 582449 583232 613568 623155 637910 665656 671090 729040 766960 785120 832070 872417 911300 958700 981400 997048 1020656 1073744 1081691 1121600 1164898 1246310 1275820 1331312 1342180 1458080 1533920 1570240 1594775 1664140 1677725 1744834 1822600 1917400 1962800 1994096 2041312 2080175 2147488 2163382 2329796 2492620 2551640 2662624 2684360 2912245 2916160 3067840 3115775 3189550 3328280 3355450 3489668 3645200 3834800 3925600 3988192 4082624 4160350 4294976 4326764 4362085 4659592 4985240 5103280 5325248 5368720 5408455 5824490 6231550 6379100 6656560 6710900 6720487 6979336 7290400 7571837 7669600 7851200 7976384 8320700 8653528 8724170 9319184 9970480 10206560 10737440 10816910 11648980 12463100 12758200 13313120 13421800 13440974 13958672 14561225 14580800 15143674 15339200 16641400 17307056 17448340 18638368 19940960 20413120 21474880 21633820 21810425 23297960 24926200 25516400 26626240 26843600 26881948 27042275 27917344 29122450 30287348 33282800 33602435 34614112 34896680 37276736 37859185 39881920 43267640 43620850 46595920 47043409 49852400 51032800 53687200 53763896 54084550 55834688 58244900 58328107 60574696 66565600 67204870 69228224 69793360 75718370 86535280 87241700 87366331 93191840 94086818 99704800 102065600 107374400 107527792 108169100 116489800 116656214 121149392 133131200 134409740 139586720 151436740 168012175 173070560 174483400 174732662 186383680 188173636 189295925 199409600 215055584 216338200 232979600 233312428 235217045 242298784 268819480 279173440 291640535 302873480 336024350 346141120 348966800 349465324 376347272 378591850 408296749 430111168 432676400 436831655 465959200 466624856 470434090 484597568 537638960 583281070 605746960 611564317 672048700 697933600 698930648 752694544 757183700 758265391 797705509 816593498 865352800 873663310 931918400 933249712 940868180 1075277920 1166562140 1176085225 1211493920 1223128634 1344097400 1395867200 1397861296 1458202675 1505389088 1514367400 1516530782 1595411018 1633186996 1730705600 1747326620 1866499424 1881736360 2041483745 2150555840 2184158275 2333124280 2352170450 2422987840 2446257268 2688194800 2795722592 2916405350 3010778176 3028734800 3033061564 3057821585 3190822036 3266373992 3494653240 3732998848 3763472720 3791326955 3988527545 4082967490 4368316550 4666248560 4704340900 4892514536 5307857737 5376389600 5583938563 5591445184 5832810700 6057469600 6066123128 6115643170 6381644072 6532747984 6989306480 7526945440 7582653910 7977055090 8165934980 8736633100 9332497120 9408681800 9785029072 10207418725 10370171617 10615715474 10752779200 11167877126 11665621400 12114939200 12132246256 12231286340 12763288144 13065495968 13978612960 15053890880 15165307820 15289107925 15954110180 16331869960 17473266200 18664994240 18817363600 18956634775 19570058144 19942637725 20414837450 20740343234 21231430948 22335754252 23331242800 24264492512 24462572680 25526576288 26130991936 26539288685 27919692815 27957225920 30330615640 30578215850 31908220360 32663739920 34946532400 37634727200 37913269550 39140116288 39885275450 40829674900 41480686468 42462861896 44671508504 46662485600 48528985024 48925145360 51053152576 51850858085 53078577370 55839385630 60661231280 61156431700 63816440720 65327479840 69893064800 72591201319 75269454400 75826539100 79770550900 81659349800 82961372936 84925723792 89343017008 93324971200 97850290720 103701716170 106157154740 111678771260 121322462560 122312863400 127632881440 130654959680 132696443425 139598464075 139786129600 145182402638 151653078200 159541101800 163318699600 165922745872 169851447584 178686034016 195700581440 207403432340 212314309480 223357542520 242644925120 244625726800 255265762880 259254290425 265392886850 279196928150 290364805276 303306156400 319082203600 326637399200 331845491744 339702895168 357372068032 362956006595 414806864680 424628618960 446715085040 489251453600 518508580850 530785773700 558393856300 559191561809 580729610552 606612312800 638164407200 653274798400 663690983488 725912013190 829613729360 849257237920 893430170080 978502907200 1037017161700 1061571547400 1116787712600 1118383123618 1161459221104 1213224625600 1276328814400 1451824026380 1659227458720 1698514475840 1786860340160 1814780032975 2074034323400 2123143094800 2233575425200 2236766247236 2322918442208 2795957809045 2903648052760 3318454917440 3629560065950 3914340932663 4148068646800 4246286189600 4467150850400 4473532494472 4645836884416 5591915618090 5807296105520 7259120131900 7269490303517 7828681865326 8296137293600 8492572379200 8934301700800 8947064988944 11183831236180 11614592211040 13979789045225 14518240263800 14538980607034 15657363730652 16592274587200 17894129977888 19571704663315 22367662472360 23229184422080 27959578090450 29036480527600 29077961214068 31314727461304 35788259955776 36347451517585 39143409326630 44735324944720 50886432124619 55919156180900 58072961055200 58155922428136 62629454922608 72694903035170 78286818653260 89470649889440 97858523316575 101772864249238 111838312361800 116145922110400 116311844856272 125258909845216 145389806070340 156573637306520 178941299778880 181737257587925 195717046633150 203545728498476 223676624723600 232623689712544 250517819690432 254432160623095 290779612140680 313147274613040 363474515175850 391434093266300 407091456996952 447353249447200 465247379425088 508864321246190 581559224281360 626294549226080 726949030351700 782868186532600 814182913993904 894706498894400 1017728642492380 1163118448562720 1252589098452160 1272160803115475 1453898060703400 1565736373065200 1628365827987808 2035457284984760 2326236897125440 2544321606230950 2907796121406800 3131472746130400 3256731655975616 4070914569969520 5088643212461900 5815592242813600 6262945492260800 8141829139939040 10177286424923800 11631184485627200 16283658279878080 20354572849847600 40709145699695200 81418291399390400
- Sum of all divisors σ(n): 246952631502001152
- Sum of proper divisors (its aliquot sum) s(n): 165534340102610752
- 81418291399390400 is an abundant number, because the sum of its proper divisors (165534340102610752) is greater than itself. Its abundance is 84116048703220352
Bases of 81418291399390400
- Binary: 1001000010100000110000001001100010001010001110100110000002
- Hexadecimal: 0x1214181311474C0
- Base-36: M9ODIPP7I68
Squares and roots of 81418291399390400
- 81418291399390400 squared (814182913993904002) is 6628938174396048779125491612160000
- 81418291399390400 cubed (814182913993904003) is 539716819951520517796341681911343763737227264000000
-
The
square root of 81418291399390400 is 285338906.2139798695 -
The
cube root of 81418291399390400 is 433418.3835548765
Scales and comparisons
How big is 81418291399390400?- 81,418,291,399,390,400 seconds is equal to 2,588,849,823 years, 9 weeks, 6 days, 2 hours, 13 minutes, 20 seconds.
-
To count from 1 to 81,418,291,399,390,400 would take you about seven billion, seven hundred sixty-six million, five hundred forty-nine thousand, four hundred sixty-nine 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 81418291399390400 cubic inches would be around 36118.2 feet tall.
Recreational maths with 81418291399390400
- 81418291399390400 backwards is 00409399319281418
- The number of decimal digits it has is: 17
- The sum of 81418291399390400's digits is 71
- More coming soon!
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The information we have on file for 81418291399390400 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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