81012999833600

Names of 81012999833600

• Cardinal: 81012999833600 can be written as Eighty-one trillion, twelve billion, nine hundred ninety-nine million, eight hundred thirty-three thousand, six hundred.

Scientific notation

• Scientific notation: 8.10129998336 × 10¹³

Factors of 81012999833600

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 64913

Divisors of 81012999833600

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 29 32 40 50 58 64 80 100 116 128 145 160 200 232 256 290 320 400 464 512 580 640 725 800 841 928 1024 1160 1280 1450 1600 1682 1856 2048 2320 2560 2900 3200 3364 3712 4205 4640 5120 5800 6400 6728 7424 8410 9280 10240 11600 12800 13456 14848 16820 18560 21025 23200 24389 25600 26912 29696 33640 37120 42050 46400 48778 51200 53824 59392 64877 67280 74240 84100 92800 97556 107648 121945 129754 134560 148480 168200 185600 195112 215296 243890 259508 269120 296960 324385 336400 371200 390224 430592 487780 519016 538240 609725 648770 672800 742400 780448 861184 975560 1038032 1076480 1219450 1297540 1345600 1484800 1560896 1621925 1722368 1881433 1951120 2076064 2152960 2438900 2595080 2691200 3121792 3243850 3762866 3902240 4152128 4305920 4877800 5190160 5382400 6243584 6487700 7525732 7804480 8304256 8611840 9407165 9755600 10380320 10764800 12487168 12975400 15051464 15608960 16608512 18814330 19511200 20760640 21529600 24974336 25950800 30102928 31217920 33217024 37628660 39022400 41521280 43059200 47035825 49948672 51901600 54561557 60205856 62435840 66434048 75257320 78044800 83042560 94071650 103803200 109123114 120411712 124871680 132868096 150514640 156089600 166085120 188143300 207606400 218246228 240823424 249743360 272807785 301029280 312179200 332170240 376286600 415212800 436492456 481646848 545615570 602058560 624358400 664340480 752573200 830425600 872984912 963293696 1091231140 1204117120 1248716800 1364038925 1505146400 1582285153 1660851200 1745969824 1926587392 2182462280 2408234240 2728077850 3010292800 3164570306 3321702400 3491939648 3853174784 4364924560 4816468480 5456155700 6020585600 6329140612 6983879296 7911425765 8729849120 9632936960 10912311400 12041171200 12658281224 13967758592 15822851530 17459698240 19265873920 21824622800 24082342400 25316562448 27935517184 31645703060 34919396480 39557128825 43649245600 48164684800 50633124896 55871034368 63291406120 69838792960 79114257650 87298491200 96329369600 101266249792 111742068736 126582812240 139677585920 158228515300 174596982400 202532499584 253165624480 279355171840 316457030600 349193964800 405064999168 506331248960 558710343680 632914061200 698387929600 810129998336 1012662497920 1265828122400 1396775859200 1620259996672 2025324995840 2531656244800 2793551718400 3240519993344 4050649991680 5063312489600 8101299983360 10126624979200 16202599966720 20253249958400 40506499916800 81012999833600
• Sum of all divisors σ(n): 208039786554600
• Sum of proper divisors (its aliquot sum) s(n): 127026786721000
• 81012999833600 is an abundant number, because the sum of its proper divisors (127026786721000) is greater than itself. Its abundance is 46013786887400

Bases of 81012999833600

• Binary: 10010011010111001001111000100111100100000000000₂
• Hexadecimal: 0x49AE4F13C800
• Base-36: SPSUWENSW

Squares and roots of 81012999833600

• 81012999833600 squared (81012999833600²) is 6563106142038873627688960000
• 81012999833600 cubed (81012999833600³) is 531696916792894407164697144832557056000000
• The square root of 81012999833600 is 9000722.1840027927
• The cube root of 81012999833600 is 43269.8016773077

Scales and comparisons

• 81,012,999,833,600 seconds is equal to 2,575,962 years, 41 weeks, 6 days, 53 minutes, 20 seconds.
• To count from 1 to 81,012,999,833,600 would take you about six million, four hundred thirty-nine 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 81012999833600 cubic inches would be around 3605.8 feet tall.

Recreational maths with 81012999833600

• 81012999833600 backwards is 00633899921018
• The number of decimal digits it has is: 14
• The sum of 81012999833600's digits is 59
• More coming soon!