801981640638720

Names of 801981640638720

• Cardinal: 801981640638720 can be written as Eight hundred one trillion, nine hundred eighty-one billion, six hundred forty million, six hundred thirty-eight thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 8.0198164063872 × 10¹⁴

Factors of 801981640638720

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 7735162439

Divisors of 801981640638720

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 81 90 96 108 120 128 135 144 160 162 180 192 216 240 256 270 288 320 324 360 384 405 432 480 540 576 640 648 720 768 810 864 960 1080 1152 1280 1296 1440 1620 1728 1920 2160 2304 2592 2880 3240 3456 3840 4320 5184 5760 6480 6912 8640 10368 11520 12960 17280 20736 25920 34560 51840 103680 7735162429 15470324858 23205487287 30940649716 38675812145 46410974574 61881299432 69616461861 77351624290 92821949148 116027436435 123762598864 139232923722 154703248580 185643898296 208849385583 232054872870 247525197728 278465847444 309406497160 348082309305 371287796592 417698771166 464109745740 495050395456 556931694888 618812994320 626548156749 696164618610 742575593184 835397542332 928219491480 990100790912 1044246927915 1113863389776 1237625988640 1253096313498 1392329237220 1485151186368 1670795084664 1856438982960 1980201581824 2088493855830 2227726779552 2475251977280 2506192626996 2784658474440 2970302372736 3132740783745 3341590169328 3712877965920 4176987711660 4455453559104 4950503954560 5012385253992 5569316948880 5940604745472 6265481567490 6683180338656 7425755931840 8353975423320 8910907118208 9901007909120 10024770507984 11138633897760 12530963134980 13366360677312 14851511863680 16707950846640 17821814236416 20049541015968 22277267795520 25061926269960 26732721354624 29703023727360 33415901693280 40099082031936 44554535591040 50123852539920 53465442709248 66831803386560 80198164063872 89109071182080 100247705079840 133663606773120 160396328127744 200495410159680 267327213546240 400990820319360 801981640638720
• Sum of all divisors σ(n): 2869636969255980
• Sum of proper divisors (its aliquot sum) s(n): 2067655328617260
• 801981640638720 is an abundant number, because the sum of its proper divisors (2067655328617260) is greater than itself. Its abundance is 1265673687978540

Bases of 801981640638720

• Binary: 10110110010110010111100110110011101000000100000000₂
• Hexadecimal: 0x2D965E6CE8100
• Base-36: 7WA1A2A800

Squares and roots of 801981640638720

• 801981640638720 squared (801981640638720²) is 643174551921573026609563238400
• 801981640638720 cubed (801981640638720³) is 515814182367136737063448289171803207630848000
• The square root of 801981640638720 is 28319280.3693653205
• The cube root of 801981640638720 is 92908.3631463333

Scales and comparisons

• 801,981,640,638,720 seconds is equal to 25,500,535 years, 24 weeks, 6 days, 19 hours, 12 minutes.
• To count from 1 to 801,981,640,638,720 would take you about sixty-three million, seven hundred fifty-one thousand, three hundred thirty-eight 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 801981640638720 cubic inches would be around 7742.4 feet tall.

Recreational maths with 801981640638720

• 801981640638720 backwards is 027836046189108
• The number of decimal digits it has is: 15
• The sum of 801981640638720's digits is 63
• More coming soon!