129361139671680

Names of 129361139671680

• Cardinal: 129361139671680 can be written as One hundred twenty-nine trillion, three hundred sixty-one billion, one hundred thirty-nine million, six hundred seventy-one thousand, six hundred eighty.

Scientific notation

• Scientific notation: 1.2936113967168 × 10¹⁴

Factors of 129361139671680

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 3208361616

Divisors of 129361139671680

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 32 35 36 40 42 45 48 56 60 63 64 70 72 80 84 90 96 105 112 120 126 128 140 144 160 168 180 192 210 224 240 252 280 288 315 320 336 360 384 420 448 480 504 560 576 630 640 672 720 840 896 960 1008 1120 1152 1260 1344 1440 1680 1920 2016 2240 2520 2688 2880 3360 4032 4480 5040 5760 6720 8064 10080 13440 20160 40320 3208361599 6416723198 9625084797 12833446396 16041807995 19250169594 22458531193 25666892792 28875254391 32083615990 38500339188 44917062386 48125423985 51333785584 57750508782 64167231980 67375593579 77000678376 89834124772 96250847970 102667571168 112292655965 115501017564 128334463960 134751187158 144376271955 154001356752 179668249544 192501695940 202126780737 205335142336 224585311930 231002035128 256668927920 269502374316 288752543910 308002713504 336877967895 359336499088 385003391880 404253561474 410670284672 449170623860 462004070256 513337855840 539004748632 577505087820 616005427008 673755935790 718672998176 770006783760 808507122948 898341247720 924008140512 1010633903685 1026675711680 1078009497264 1155010175640 1232010854016 1347511871580 1437345996352 1540013567520 1617014245896 1796682495440 1848016281024 2021267807370 2053351423360 2156018994528 2310020351280 2695023743160 2874691992704 3080027135040 3234028491792 3593364990880 3696032562048 4042535614740 4312037989056 4620040702560 5390047486320 6160054270080 6468056983584 7186729981760 8085071229480 8624075978112 9240081405120 10780094972640 12936113967168 14373459963520 16170142458960 18480162810240 21560189945280 25872227934336 32340284917920 43120379890560 64680569835840 129361139671680
• Sum of all divisors σ(n): 510514497792000
• Sum of proper divisors (its aliquot sum) s(n): 381153358120320
• 129361139671680 is an abundant number, because the sum of its proper divisors (381153358120320) is greater than itself. Its abundance is 251792218448640

Bases of 129361139671680

• Binary: 11101011010011100111100110001110010001010000000₂
• Hexadecimal: 0x75A73CC72280
• Base-36: 19UROQJZ40

Squares and roots of 129361139671680

• 129361139671680 squared (129361139671680²) is 16734304457155901138194022400
• 129361139671680 cubed (129361139671680³) is 2164768696190561689590650817157674565632000
• The square root of 129361139671680 is 11373703.8677679665
• The cube root of 129361139671680 is 50574.8508904307

Scales and comparisons

• 129,361,139,671,680 seconds is equal to 4,113,284 years, 5 weeks, 1 day, 20 hours, 48 minutes.
• To count from 1 to 129,361,139,671,680 would take you about ten million, two hundred eighty-three thousand, two hundred ten 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 129361139671680 cubic inches would be around 4214.6 feet tall.

Recreational maths with 129361139671680

• 129361139671680 backwards is 086176931163921
• 129361139671680 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 129361139671680's digits is 63
• More coming soon!