81093684672

Names of 81093684672

• Cardinal: 81093684672 can be written as Eighty-one billion, ninety-three million, six hundred eighty-four thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 8.1093684672 × 10¹⁰

Factors of 81093684672

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 416

Divisors of 81093684672

• Number of divisors d(n): 1008
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 13 14 16 18 21 22 24 26 28 31 32 33 36 39 42 44 48 52 56 62 63 64 66 72 77 78 84 88 91 93 96 99 104 112 117 124 126 132 143 144 154 156 168 169 176 182 186 192 198 208 217 224 231 234 248 252 264 273 279 286 288 308 312 336 338 341 349 352 364 372 396 403 416 429 434 448 462 468 496 504 507 528 546 558 572 576 616 624 651 672 676 682 693 698 704 728 744 792 806 819 832 858 868 924 936 992 1001 1008 1014 1023 1047 1056 1092 1116 1144 1183 1209 1232 1248 1287 1302 1344 1352 1364 1386 1396 1456 1488 1521 1584 1612 1638 1716 1736 1848 1859 1872 1953 1984 2002 2016 2028 2046 2094 2112 2184 2232 2288 2366 2387 2418 2443 2464 2496 2574 2604 2704 2728 2772 2792 2821 2912 2976 3003 3042 3069 3141 3168 3224 3276 3432 3472 3549 3627 3696 3718 3744 3839 3906 4004 4032 4056 4092 4188 4368 4433 4464 4537 4576 4732 4774 4836 4886 4928 5148 5208 5239 5408 5456 5544 5577 5584 5642 5824 5952 6006 6084 6138 6282 6336 6448 6552 6864 6944 7098 7161 7254 7329 7392 7436 7488 7678 7812 8008 8112 8184 8376 8463 8736 8866 8928 9009 9074 9152 9464 9548 9672 9772 10296 10416 10478 10647 10816 10819 10912 11088 11154 11168 11284 11517 12012 12168 12276 12564 12896 13013 13104 13299 13611 13728 13888 14196 14322 14508 14658 14784 14872 15356 15624 15717 16016 16224 16368 16731 16752 16926 17472 17732 17856 18018 18148 18928 19096 19344 19544 20592 20832 20956 21294 21483 21638 21824 21987 22176 22308 22336 22568 23034 24024 24336 24552 25128 25389 25792 26026 26208 26598 26873 27222 27456 28392 28644 29016 29316 29744 30712 31031 31248 31434 31759 32032 32448 32457 32736 33462 33504 33852 34551 35464 36036 36296 36673 37856 38192 38688 39039 39088 39897 40833 41184 41664 41912 42588 42966 43276 43974 44352 44616 45136 46068 47151 48048 48672 49104 49907 50256 50778 52052 52416 53196 53746 54444 56784 57288 57629 58032 58632 58981 59488 61424 62062 62496 62868 63518 64064 64914 65472 66924 67008 67704 69102 70928 72072 72592 73346 75712 75733 76384 77376 78078 78176 79794 80619 81666 82368 83824 85176 85932 86552 87948 89232 90272 92136 93093 94302 95277 96096 97344 97371 98208 99814 100512 101556 104104 106392 107492 108888 110019 113568 114576 115258 116064 117117 117264 117962 118976 119009 122848 124124 124992 125736 127036 129828 133848 135408 138204 140647 141856 144144 145184 146692 149721 151466 152768 156156 156352 159588 161238 163332 167648 170352 171864 172887 173104 175896 176943 178464 180544 184272 186186 188604 190554 192192 194742 196416 199628 201024 203112 208208 212784 214984 217776 220038 227136 227199 229152 230516 232128 234234 234528 235924 238018 241857 245696 248248 251472 254072 259656 267696 270816 276408 279279 281294 283712 285831 288288 290368 293384 299442 302932 312312 319176 322476 326664 330057 335296 340704 343728 345774 346208 349349 351792 353886 356928 357027 368544 372372 377208 381108 389484 399256 403403 406224 412867 416416 421941 425568 429968 435552 440076 449163 454398 458304 461032 468468 469056 471848 476036 483714 496496 502944 508144 518661 519312 530829 535392 541632 552816 558558 562588 571662 576576 586768 598884 605864 624624 638352 644952 648791 653328 660114 681408 681597 687456 691548 692416 698698 703584 707772 714054 737088 744744 754416 762216 778968 798512 806806 812448 825734 832832 833063 843882 851136 859936 871104 880152 898326 908796 922064 936936 943696 952072 967428 984529 992992 1005888 1016288 1037322 1038624 1048047 1061658 1070784 1071081 1105632 1117116 1125176 1143324 1173536 1197768 1210209 1211728 1238601 1249248 1265823 1276704 1289904 1297582 1306656 1320228 1363194 1374912 1383096 1397396 1407168 1415544 1428108 1489488 1508832 1524432 1547117 1557936 1597024 1613612 1624896 1651468 1666126 1687764 1719872 1760304 1796652 1817592 1828411 1844128 1873872 1887392 1904144 1934856 1946373 1969058 1985984 2032576 2074644 2077248 2096094 2123316 2142162 2211264 2234232 2250352 2286648 2347072 2395536 2420418 2423456 2477202 2498496 2499189 2531646 2553408 2579808 2595164 2613312 2640456 2726388 2766192 2794792 2831088 2856216 2953587 2978976 3017664 3048864 3094234 3115872 3144141 3194048 3227224 3302936 3332252 3375528 3520608 3593304 3630627 3635184 3656822 3688256 3715803 3747744 3774784 3808288 3869712 3892746 3938116 4149288 4192188 4246632 4284324 4468464 4500704 4541537 4573296 4641351 4791072 4840836 4846912 4954404 4998378 5063292 5159616 5190328 5280912 5452776 5485233 5532384 5589584 5662176 5712432 5839119 5907174 5957952 6097728 6188468 6231744 6288282 6454448 6605872 6664504 6751056 7041216 7186608 7261254 7270368 7313644 7431606 7495488 7497567 7616576 7739424 7785492 7876232 8298576 8384376 8493264 8568648 8860761 8936928 9001408 9083074 9146592 9282702 9582144 9681672 9908808 9996756 10126584 10380656 10561824 10829819 10905552 10970466 11064768 11179168 11324352 11424864 11678238 11814348 12376936 12576564 12798877 12908896 13211744 13329008 13502112 13624611 13924053 14373216 14522508 14540736 14627288 14863212 14995134 15478848 15570984 15752464 16455699 16597152 16768752 16986528 17137296 17721522 17873856 18166148 18293184 18565404 19363344 19817616 19993512 20112521 20253168 20761312 21123648 21659638 21811104 21940932 22358336 22849728 23356476 23628696 24753872 25153128 25597754 25817792 26423488 26658016 27004224 27249222 27848106 28746432 29045016 29254576 29726424 29990268 31141968 31504928 32489457 32911398 33194304 33537504 33973056 34274592 35443044 36332296 37130808 38396631 38726688 39635232 39987024 40225042 40506336 40873833 41522624 43319276 43622208 43881864 46712952 47257392 49507744 50306256 51195508 53316032 54498444 55696212 58090032 58509152 59452848 59980536 60337563 62283936 63009856 64978914 65822796 67075008 68549184 70886088 72664592 74261616 76793262 77453376 79270464 79974048 80450084 81012672 81747666 86638552 87763728 93425904 94514784 97468371 99015488 100612512 102391016 108996888 111392424 115189893 116180064 117018304 118905696 119961072 120675126 124567872 129957828 131645592 140787647 141772176 145329184 148523232 153586524 159948096 160900168 163495332 173277104 175527456 181012689 186851808 189029568 194936742 201225024 204782032 217993776 222784848 230379786 232360128 237811392 239922144 241350252 259915656 263291184 281575294 283544352 290658368 297046464 307173048 321800336 326990664 346554208 351054912 362025378 373703616 389873484 409564064 422362941 435987552 445569696 460759572 479844288 482700504 519831312 526582368 563150588 567088704 614346096 643600672 653981328 693108416 724050756 779746968 819128128 844725882 871975104 891139392 921519144 965401008 1039662624 1053164736 1126301176 1228692192 1267088823 1287201344 1307962656 1448101512 1559493936 1689451764 1843038288 1930802016 2079325248 2252602352 2457384384 2534177646 2615925312 2896203024 3118987872 3378903528 3686076576 3861604032 4505204704 5068355292 5792406048 6237975744 6757807056 7372153152 9010409408 10136710584 11584812096 13515614112 20273421168 27031228224 40546842336 81093684672
• Sum of all divisors σ(n): 324853401600
• Sum of proper divisors (its aliquot sum) s(n): 243759716928
• 81093684672 is an abundant number, because the sum of its proper divisors (243759716928) is greater than itself. Its abundance is 162666032256

Bases of 81093684672

• Binary: 1001011100001100011110110110111000000₂
• Hexadecimal: 0x12E18F6DC0
• Base-36: 119533K0

Squares and roots of 81093684672

• 81093684672 squared (81093684672²) is 6576185693681767747584
• 81093684672 cubed (81093684672³) is 533287128987946856438116585832448
• The square root of 81093684672 is 284769.5290441027
• The cube root of 81093684672 is 4328.4161753587

Scales and comparisons

• 81,093,684,672 seconds is equal to 2,578 years, 27 weeks, 3 days, 7 hours, 31 minutes, 12 seconds.
• To count from 1 to 81,093,684,672 would take you about five thousand, one hundred fifty-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 81093684672 cubic inches would be around 360.7 feet tall.

Recreational maths with 81093684672

• 81093684672 backwards is 27648639018
• The number of decimal digits it has is: 11
• The sum of 81093684672's digits is 54
• More coming soon!