81162327139712

Names of 81162327139712

• Cardinal: 81162327139712 can be written as Eighty-one trillion, one hundred sixty-two billion, three hundred twenty-seven million, one hundred thirty-nine thousand, seven hundred twelve.

Scientific notation

• Scientific notation: 8.1162327139712 × 10¹³

Factors of 81162327139712

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 1106

Divisors of 81162327139712

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 31 32 52 56 62 64 73 91 104 112 124 128 146 169 182 208 217 224 248 292 338 364 403 416 433 434 448 496 511 547 584 676 728 806 832 866 868 896 949 992 1022 1094 1168 1183 1352 1456 1612 1664 1732 1736 1898 1984 2044 2188 2263 2336 2366 2704 2821 2912 3031 3224 3464 3472 3796 3829 3968 4088 4376 4526 4672 4732 5239 5408 5629 5642 5824 6062 6448 6643 6928 6944 7111 7592 7658 8176 8752 9052 9344 9464 10478 10816 11258 11284 11648 12124 12337 12896 13286 13423 13856 13888 14222 15184 15316 15841 16352 16957 17504 18104 18928 20956 21632 22516 22568 24248 24674 25792 26572 26846 27712 27776 28444 29419 30368 30632 31609 31682 32704 33914 35008 36208 36673 37856 39403 39931 41912 45032 45136 48496 49348 49777 51584 53144 53692 55424 56888 58838 60736 61264 63218 63364 65408 67828 70016 72416 73177 73346 75712 78806 79862 83824 86359 90064 90272 92443 93961 96992 98696 99554 106288 107384 113776 117676 118699 121472 122528 126436 126728 135656 144832 146354 146692 151424 157612 159724 167648 172718 174499 180128 180544 184886 187922 193984 197392 199108 205933 212576 214768 220441 221263 227552 235352 236851 237398 245056 252872 253456 271312 279517 289664 292708 293384 315224 319448 335296 345436 348998 360256 361088 369772 375844 382447 387968 394784 398216 410917 411866 425152 429536 440882 442526 455104 470704 473702 474796 490112 505744 506912 512239 519103 542624 559034 585416 586768 630448 638896 647101 670592 690872 697996 720512 739544 751688 764894 789568 796432 821834 823732 850304 859072 881764 885052 910208 941408 947404 949592 979879 1011488 1013824 1024478 1038206 1085248 1118068 1170832 1173536 1221493 1237861 1260896 1277792 1294202 1381744 1395992 1479088 1503376 1529788 1543087 1579136 1592864 1643668 1647464 1657957 1718144 1763528 1770104 1882816 1894808 1899184 1959758 2022976 2027648 2048956 2076412 2170496 2236136 2268487 2341664 2347072 2442986 2475722 2521792 2555584 2588404 2677129 2763488 2791984 2865733 2876419 2958176 3006752 3059576 3079063 3086174 3185728 3287336 3294928 3315914 3527056 3540208 3633721 3765632 3789616 3798368 3919516 4045952 4097912 4152824 4472272 4536974 4683328 4694144 4885972 4951444 5043584 5111168 5176808 5341921 5354258 5526976 5583968 5731466 5752838 5916352 6013504 6119152 6158126 6172348 6371456 6574672 6589856 6631828 6748339 6859153 7054112 7080416 7267442 7342381 7579232 7596736 7839032 8195824 8305648 8665027 8944544 9073948 9366656 9771944 9902888 10353616 10683842 10708516 11053952 11167936 11462932 11505676 11832704 12027008 12238304 12316252 12344696 12738427 13149344 13179712 13263656 13496678 13718306 14108224 14160832 14534884 14684762 15158464 15193472 15678064 15879409 16092193 16391648 16611296 17290123 17330054 17889088 18147896 19543888 19805776 20060131 20707232 21367684 21417032 21553441 22335872 22925864 23011352 24476608 24632504 24689392 25476854 26298688 26359424 26527312 26993356 27436612 28216448 28321664 29069768 29369524 30316928 31356128 31758818 32184386 32783296 33222592 34580246 34660108 35778176 36295792 37393447 39087776 39611552 40027819 40120262 41414464 42735368 42834064 43106882 45851728 46022704 47238373 48953216 49265008 49378784 50953708 51396667 52597376 53054624 53986712 54873224 58139536 58739048 62712256 63517636 64368772 65566592 66445184 69160492 69320216 72591584 74786894 78175552 79223104 80055638 80240524 82828928 85470736 85668128 86213764 89168989 91703456 92045408 94476746 95450953 98530016 98757568 101907416 102793334 106109248 107973424 109746448 112645351 116279072 117478096 121030861 125424512 127035272 128737544 138320984 138640432 145183168 149573788 156351104 158446208 160111276 160481048 165599551 170941472 171336256 172427528 178337978 183406912 184090816 188953492 190901906 197060032 197515136 203814832 205586668 209198509 212218496 215946848 219492896 224771599 225290702 232558144 234956192 242061722 254070544 257475088 276641968 277280864 280194733 290366336 299147576 320222552 320962096 331199102 341882944 342672512 344855056 356675956 366813824 368181632 377906984 381803812 394120064 407629664 411173336 418397018 431893696 438985792 449543198 450581404 465116288 469912384 484123444 508141088 514950176 535993813 553283936 554561728 560389466 598295152 640445104 641924192 662398204 668156671 683765888 689710112 713351912 755813968 763607624 815259328 822346672 836794036 863787392 877971584 899086396 901162808 939824768 968246888 1016282176 1029900352 1071987626 1106567872 1109123456 1120778932 1159196857 1196590304 1240862389 1280890208 1283848384 1324796408 1336313342 1379420224 1426703824 1464389563 1511627936 1527215248 1573401193 1630518656 1644693344 1673588072 1798172792 1802325616 1936493776 2032564352 2059800704 2143975252 2213135744 2241557864 2318393714 2393180608 2481724778 2561780416 2567696768 2649592816 2672626684 2758840448 2853407648 2922030787 2928779126 3023255872 3054430496 3146802386 3289386688 3347176144 3596345584 3604651232 3751956691 3872987552 4287950504 4483115728 4636787428 4786361216 4963449556 5123560832 5299185632 5345253368 5706815296 5844061574 5857558252 6046511744 6108860992 6293604772 6578773376 6694352288 6967919569 7192691168 7209302464 7503913382 7745975104 8575901008 8686036723 8966231456 9273574856 9926899112 10598371264 10690506736 11413630592 11688123148 11715116504 12217721984 12587209544 13388704576 13935839138 14385382336 14418604928 15007826764 15491950208 17151802016 17372073446 17932462912 18547149712 19853798224 20454215509 21196742528 21381013472 23376246296 23430233008 25174419088 26777409152 27871678276 28770764672 30015653528 34303604032 34744146892 35864925824 37094299424 39707596448 40908431018 42762026944 46752492592 46860466016 48775436983 50348838176 55743356552 60031307056 68607208064 69488293784 74188598848 79415192896 81816862036 85524053888 90582954397 93504985184 93720932032 97550873966 100697676352 111486713104 120062614112 138976587568 148377197696 158830385792 163633724072 181165908794 187009970368 187441864064 195101747932 201395352704 222973426208 240125228224 277953175136 327267448144 362331817588 374019940736 390203495864 445946852416 480250456448 555906350272 634080680779 654534896288 724663635176 780406991728 891893704832 1111812700544 1268161361558 1309069792576 1449327270352 1560813983456 2536322723116 2618139585152 2898654540704 3121627966912 5072645446232 5797309081408 6243255933824 10145290892464 11594618162816 20290581784928 40581163569856 81162327139712
• Sum of all divisors σ(n): 210248663224320
• Sum of proper divisors (its aliquot sum) s(n): 129086336084608
• 81162327139712 is an abundant number, because the sum of its proper divisors (129086336084608) is greater than itself. Its abundance is 47924008944896

Bases of 81162327139712

• Binary: 10010011101000100010011101011011010010110000000₂
• Hexadecimal: 0x49D113ADA580
• Base-36: SRPGI12M8

Squares and roots of 81162327139712

• 81162327139712 squared (81162327139712²) is 6587323346733631079167442944
• 81162327139712 cubed (81162327139712³) is 534642492442657466963599957307412476592128
• The square root of 81162327139712 is 9009013.6607573195
• The cube root of 81162327139712 is 43296.3710633839

Scales and comparisons

• 81,162,327,139,712 seconds is equal to 2,580,710 years, 49 weeks, 3 days, 8 hours, 8 minutes, 32 seconds.
• To count from 1 to 81,162,327,139,712 would take you about six million, four hundred fifty-one thousand, seven hundred seventy-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 81162327139712 cubic inches would be around 3608 feet tall.

Recreational maths with 81162327139712

• 81162327139712 backwards is 21793172326118
• The number of decimal digits it has is: 14
• The sum of 81162327139712's digits is 53
• More coming soon!