81373183710

Names of 81373183710

• Cardinal: 81373183710 can be written as Eighty-one billion, three hundred seventy-three million, one hundred eighty-three thousand, seven hundred ten.

Scientific notation

• Scientific notation: 8.137318371 × 10¹⁰

Factors of 81373183710

• Number of distinct prime factors ω(n): 9
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 368

Divisors of 81373183710

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 5 6 7 10 13 14 15 21 26 30 31 35 39 42 62 65 67 70 78 91 93 105 113 127 130 134 155 182 186 195 201 210 217 226 254 273 310 335 339 381 390 402 403 434 455 465 469 546 565 635 651 670 678 762 791 806 871 889 910 930 938 1005 1085 1130 1209 1270 1302 1365 1407 1469 1582 1651 1695 1742 1778 1905 2010 2015 2077 2170 2345 2373 2418 2613 2667 2730 2814 2821 2938 3255 3302 3390 3503 3810 3937 3955 4030 4154 4355 4407 4445 4690 4746 4953 5226 5334 5642 6045 6097 6231 6510 7006 7035 7345 7571 7874 7910 8255 8463 8509 8710 8814 8890 9906 10283 10385 10509 11557 11811 11865 12090 12194 12462 13065 13335 14070 14105 14351 14539 14690 15142 16510 16926 17018 17515 18291 19685 20566 20770 21018 22035 22713 23114 23622 23730 24521 24765 25527 26130 26670 27001 27559 28210 28702 29078 30485 30849 31155 34671 35030 36582 37855 39370 42315 42545 43053 43617 44070 45426 45539 49042 49530 51054 51181 51415 52545 52997 54002 55118 57785 59055 59563 60970 61698 62310 69342 71755 72695 73563 75710 81003 82677 84630 85090 86106 87234 91078 91455 98423 100457 102362 102830 105090 105994 110617 113565 115570 118110 119126 122605 127635 135005 136617 137795 143510 145390 147126 153543 154245 158991 162006 165354 173355 178689 182910 186563 189007 196846 200914 215265 218085 221234 227130 227695 234701 245210 255270 255905 263779 264985 270010 273234 275590 295269 297815 301371 307086 308490 317982 318773 331851 346710 357378 358267 367815 373126 378014 405015 413385 430530 436170 444881 455390 469402 492115 502285 511810 527558 529970 553085 559689 567021 590538 595630 602742 637546 663702 683085 688961 704103 716534 735630 767715 774319 791337 794955 810030 826770 889762 893445 932815 945035 956319 961517 984230 1004570 1074801 1106170 1119378 1134042 1173505 1305941 1318895 1334643 1366170 1377922 1408206 1476345 1506855 1535430 1548638 1582674 1589910 1593865 1642907 1659255 1786890 1791335 1846453 1865630 1890070 1912638 1923034 2066883 2149602 2224405 2322957 2347010 2611882 2637790 2669286 2798445 2835105 2884551 2952690 3013710 3051113 3114167 3187730 3285814 3318510 3429127 3444805 3520515 3582670 3692906 3871595 3917823 3956685 4133766 4448810 4645914 4781595 4807585 4928721 5374005 5539359 5596890 5670210 5769102 5783453 6102226 6228334 6529705 6673215 6730619 6858254 6889610 7041030 7743190 7835646 7913370 8214535 9153339 9232265 9342501 9563190 9615170 9857442 10287381 10334415 10748010 11078718 11566906 11614785 12499721 13059410 13346430 13461238 14422755 15255565 15570835 16429070 17145635 17350359 18306678 18464530 18685002 19589115 20191857 20574762 20668830 21357791 23229570 24003889 24643605 24999442 27696795 28845510 28917265 29807027 30511130 31141670 33653095 34291270 34700718 37499163 39178230 40383714 40484171 42715582 45766695 46712505 48007778 49287210 51436905 55393590 57834530 59614054 62498605 64073373 67306190 72011667 74998326 80968342 86751795 87498047 89421081 91533390 93425010 100959285 102873810 106788955 120019445 121452513 124997210 128146746 144023334 149035135 173503590 174996094 178842162 187495815 201918570 202420855 208649189 213577910 240038890 242905026 262494141 298070270 320366865 360058335 374991630 387491351 404841710 417298378 437490235 447105405 524988282 607262565 625947567 640733730 720116670 774982702 874980470 894210810 1043245945 1162474053 1214525130 1251895134 1312470705 1937456755 2086491890 2324948106 2624941410 2712439457 3129737835 3874913510 5424878914 5812370265 6259475670 8137318371 11624740530 13562197285 16274636742 27124394570 40686591855 81373183710
• Sum of all divisors σ(n): 256049676288
• Sum of proper divisors (its aliquot sum) s(n): 174676492578
• 81373183710 is an abundant number, because the sum of its proper divisors (174676492578) is greater than itself. Its abundance is 93303308868

Bases of 81373183710

• Binary: 1001011110010001110000011111011011110₂
• Hexadecimal: 0x12F2383EDE
• Base-36: 11DRHQE6

Squares and roots of 81373183710

• 81373183710 squared (81373183710²) is 6621595027101409364100
• 81373183710 cubed (81373183710³) is 538820268593545412984823578811000
• The square root of 81373183710 is 285259.8529586665
• The cube root of 81373183710 is 4333.3832736979

Scales and comparisons

• 81,373,183,710 seconds is equal to 2,587 years, 21 weeks, 4 days, 6 hours, 8 minutes, 30 seconds.
• To count from 1 to 81,373,183,710 would take you about five thousand, one hundred seventy-four 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 81373183710 cubic inches would be around 361.1 feet tall.

Recreational maths with 81373183710

• 81373183710 backwards is 01738137318
• 81373183710 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 81373183710's digits is 42
• More coming soon!