81239441095008

Names of 81239441095008

• Cardinal: 81239441095008 can be written as Eighty-one trillion, two hundred thirty-nine billion, four hundred forty-one million, ninety-five thousand and eight.

Scientific notation

• Scientific notation: 8.1239441095008 × 10¹³

Factors of 81239441095008

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 31358

Divisors of 81239441095008

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 19 21 24 27 28 32 36 38 42 48 54 56 57 63 72 73 76 84 96 108 112 114 126 133 144 146 152 168 171 189 216 219 224 228 252 266 288 292 304 313 336 342 378 399 432 438 456 504 511 513 532 584 608 626 657 672 684 756 798 864 876 912 939 1008 1022 1026 1064 1168 1197 1252 1314 1368 1387 1512 1533 1596 1752 1824 1878 1971 2016 2044 2052 2128 2191 2336 2394 2504 2628 2736 2774 2817 3024 3066 3192 3504 3591 3756 3942 4088 4104 4161 4256 4382 4599 4788 5008 5256 5472 5548 5634 5947 6048 6132 6384 6573 7008 7182 7512 7884 8176 8208 8322 8451 8764 9198 9576 9709 10016 10512 11096 11268 11894 12264 12483 12768 13146 13797 14364 15024 15768 16352 16416 16644 16902 17528 17841 18396 19152 19418 19719 21024 22192 22536 22849 23788 24528 24966 26292 27594 28728 29127 30048 30941 31536 33288 33804 35056 35682 36792 37449 38304 38836 39438 41629 44384 45072 45698 47576 49056 49932 52584 53523 55188 57456 58254 59157 61882 63072 66576 67608 68547 70112 71364 73584 74898 77672 78876 83258 87381 90144 91396 92823 95152 99864 105168 107046 110376 114912 116508 118314 123764 124887 133152 135216 137094 142728 147168 149796 155344 157752 159943 160569 166516 174762 182792 185646 190304 199728 205641 210336 214092 216587 220752 233016 236628 247528 249774 262143 270432 274188 278469 285456 299592 310688 315504 319886 321138 333032 349524 365584 371292 374661 399456 411282 428184 433174 434131 441504 466032 473256 479829 495056 499548 524286 548376 556938 570912 587879 599184 616923 631008 639772 642276 649761 666064 699048 731168 742584 749322 822564 835407 856368 866348 868262 932064 946512 959658 990112 999096 1048572 1096752 1113876 1123983 1175758 1198368 1233846 1279544 1284552 1299522 1302393 1332128 1398096 1439487 1485168 1498644 1645128 1670814 1712736 1732696 1736524 1763637 1893024 1919316 1949283 1998192 2097144 2193504 2227752 2247966 2258693 2351516 2467692 2559088 2569104 2599044 2604786 2796192 2878974 2970336 2997288 3038917 3290256 3341628 3465392 3473048 3527274 3838632 3898566 3907179 3996384 4115153 4194288 4318461 4455504 4495932 4517386 4703032 4935384 5118176 5138208 5198088 5209572 5290911 5757948 5847849 5994576 6077834 6580512 6683256 6776079 6930784 6946096 7054548 7677264 7797132 7814358 8230306 8388576 8636922 8911008 8991864 9034772 9116751 9406064 9684533 9870768 10396176 10419144 10581822 11515896 11695698 11721537 11989152 12155668 12345459 13366512 13552158 13892192 14109096 15354528 15594264 15628716 15810851 15872733 16460612 17273844 17983728 18069544 18233502 18812128 19369066 19741536 20328237 20792352 20838288 21163644 23031792 23391396 23443074 24311336 24690918 26733024 27104316 27350253 28218192 29053599 31188528 31257432 31621702 31745466 32921224 34547688 35967456 36139088 36467004 37036377 38738132 40656474 41676576 42327288 42915167 46063584 46782792 46886148 47432553 48622672 49381836 54208632 54700506 56436384 58107198 60984711 62377056 62514864 63243404 63490932 65842448 67791731 69095376 72278176 72934008 74072754 77476264 81312948 82050759 84654576 85830334 87160797 93565584 93772296 94865106 97245344 98763672 108417264 109401012 111109131 116214396 121969422 125029728 126486808 126981864 128745501 131684896 135583462 138190752 142297659 145868016 148145508 154952528 162625896 164101518 169309152 171660668 174321594 184006127 187131168 187544592 189730212 197527344 203375193 216834528 218802024 222218262 232428792 243938844 252973616 253963728 257491002 261482391 271166924 284595318 291736032 296291016 300406169 309905056 325251792 328203036 343321336 348643188 368012254 375089184 379460424 386236503 395054688 406750386 426892977 437604048 444436524 464857584 487877688 505947232 507927456 514982004 522964782 542333848 552018381 569190636 592582032 600812338 610125579 650503584 656406072 686642672 697286376 706970909 736024508 758920848 772473006 813500772 853785954 875208096 888873048 901218507 929715168 975755376 1029964008 1045929564 1084667696 1104036762 1138381272 1158709509 1185164064 1201624676 1220251158 1288042889 1312812144 1373285344 1394572752 1413941818 1472049016 1517841696 1544946012 1627001544 1656055143 1707571908 1777746096 1802437014 1830376737 1951510752 2059928016 2091859128 2120912727 2169335392 2208073524 2276762544 2317419018 2403249352 2440502316 2576085778 2625624288 2703655521 2789145504 2827883636 2944098032 3089892024 3254003088 3312110286 3415143816 3555492192 3604874028 3660753474 3864128667 4119856032 4183718256 4241825454 4416147048 4553525088 4634838036 4806498704 4881004632 4948796363 4968165429 5152171556 5407311042 5655767272 5888196064 6179784048 6362738181 6508006176 6624220572 6830287632 7209748056 7321506948 7728257334 8110966563 8367436512 8483650908 8832294096 9269676072 9612997408 9762009264 9897592726 9936330858 10304343112 10814622084 11311534544 11592386001 12359568096 12725476362 13248441144 13432447271 13660575264 14419496112 14643013896 14846389089 15456514668 16221933126 16967301816 17664588192 18539352144 19088214543 19524018528 19795185452 19872661716 20608686224 21629244168 22623069088 23184772002 25450952724 26496882288 26864894542 28838992224 29286027792 29692778178 30913029336 32443866252 33934603632 34777158003 37078704288 38176429086 39590370904 39745323432 40297341813 41217372448 43258488336 44539167267 46369544004 50901905448 52993764576 53729789084 58572055584 59385556356 61826058672 64887732504 67869207264 69554316006 76352858172 79180741808 79490646864 80594683626 86516976672 89078334534 92739088008 94027130897 101803810896 107459578168 118771112712 120892025439 123652117344 129775465008 133617501801 139108632012 152705716344 158361483616 158981293728 161189367252 178156669068 185478176016 188054261794 203607621792 214919156336 237542225424 241784050878 259550930016 267235003602 278217264024 282081392691 305411432688 322378734504 356313338136 362676076317 370956352032 376108523588 429838312672 475084450848 483568101756 534470007204 556434528048 564162785382 610822865376 644757469008 712626676272 725352152634 752217047176 846244178073 967136203512 1068940014408 1112869056096 1128325570764 1289514938016 1425253352544 1450704305268 1504434094352 1692488356146 1934272407024 2137880028816 2256651141528 2538732534219 2901408610536 3008868188704 3384976712292 3868544814048 4275760057632 4513302283056 5077465068438 5802817221072 6769953424584 9026604566112 10154930136876 11605634442144 13539906849168 20309860273752 27079813698336 40619720547504 81239441095008
• Sum of all divisors σ(n): 289888023398400
• Sum of proper divisors (its aliquot sum) s(n): 208648582303392
• 81239441095008 is an abundant number, because the sum of its proper divisors (208648582303392) is greater than itself. Its abundance is 127409141208384

Bases of 81239441095008

• Binary: 10010011110001100001000000001110011100101100000₂
• Hexadecimal: 0x49E308073960
• Base-36: SSOVTORC0

Squares and roots of 81239441095008

• 81239441095008 squared (81239441095008²) is 6599846789429274630082520064
• 81239441095008 cubed (81239441095008³) is 536167864485917223753482237925524290240512
• The square root of 81239441095008 is 9013292.4669627801
• The cube root of 81239441095008 is 43310.0789731667

Scales and comparisons

• 81,239,441,095,008 seconds is equal to 2,583,162 years, 48 weeks, 4 days, 23 hours, 16 minutes, 48 seconds.
• To count from 1 to 81,239,441,095,008 would take you about six million, four hundred fifty-seven thousand, nine hundred 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 81239441095008 cubic inches would be around 3609.2 feet tall.

Recreational maths with 81239441095008

• 81239441095008 backwards is 80059014493218
• 81239441095008 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 81239441095008's digits is 54
• More coming soon!