72661149644953005

Names of 72661149644953005

• Cardinal: 72661149644953005 can be written as Seventy-two quadrillion, six hundred sixty-one trillion, one hundred forty-nine billion, six hundred forty-four million, nine hundred fifty-three thousand and five.

Scientific notation

• Scientific notation: 7.2661149644953005 × 10¹⁶

Factors of 72661149644953005

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 116

Divisors of 72661149644953005

• Number of divisors d(n): 210
• Complete list of divisors:
  1 3 5 9 15 19 27 45 57 81 89 95 135 171 267 285 361 405 445 513 801 855 1083 1335 1539 1691 1805 2403 2565 3249 4005 5073 5415 7209 7695 7921 8455 9747 12015 15219 16245 23763 25365 29241 32129 36045 39605 45657 48735 71289 76095 96387 118815 136971 146205 150499 160645 213867 228285 289161 356445 451497 481935 641601 684855 704969 752495 867483 1069335 1354491 1445805 2114907 2257485 2602449 2859481 3208005 3524845 4063473 4337415 6344721 6772455 8578443 10574535 12190419 13012245 13394411 14297405 19034163 20317365 25735329 31723605 40183233 42892215 57102489 60952095 62742241 66972055 77205987 95170815 120549699 128676645 188226723 200916165 231617961 254493809 285512445 313711205 361649097 386029935 564680169 602748495 763481427 941133615 1084947291 1158089805 1192102579 1272469045 1694040507 1808245485 2290444281 2823400845 3576307737 3817407135 5082121521 5424736455 5584059449 5960512895 6871332843 8470202535 10728923211 11452221405 16752178347 17881538685 20613998529 22649949001 25410607605 27920297245 32186769633 34356664215 50256535041 53644616055 67949847003 83760891735 96560308899 103069992645 106097129531 113249745005 150769605123 160933848165 203849541009 251282675205 318291388593 339749235015 452308815369 482801544495 496981290961 530485647655 611548623027 753848025615 954874165779 1019247705045 1490943872883 1591456942965 1834645869081 2015845461089 2261544076845 2484906454805 2864622497337 3057743115135 4472831618649 4774370828895 6047536383267 7454719364415 8593867492011 9173229345405 9442644528259 10079227305445 13418494855947 14323112486685 18142609149801 22364158093245 28327933584777 30237681916335 40255484567841 42969337460055 47213222641295 54427827449403 67092474279735 84983800754331 90713045749005 141639667923885 163283482348209 179410246036921 201277422839205 254951402262993 272139137247015 424919003771655 538230738110763 764854206788979 816417411741045 897051230184605 1274757011314965 1614692214332289 2691153690553815 3824271033944895 4844076642996867 8073461071661445 14532229928990601 24220383214984335 72661149644953005
• Sum of all divisors σ(n): 139030143410368386
• Sum of proper divisors (its aliquot sum) s(n): 66368993765415381
• 72661149644953005 is a deficient number, because the sum of its proper divisors (66368993765415381) is less than itself. Its deficiency is 6292155879537624

Bases of 72661149644953005

• Binary: 100000010001001001110111000111101100011110001010110101101₂
• Hexadecimal: 0x10224EE3D8F15AD
• Base-36: JVG87BVBDT9

Squares and roots of 72661149644953005

• 72661149644953005 squared (72661149644953005²) is 5279642667726254204569868658530025
• 72661149644953005 cubed (72661149644953005³) is 383624905951536251846391874139101791272983506475125
• The square root of 72661149644953005 is 269557321.6311384205
• The cube root of 72661149644953005 is 417286.2632794801
• Being both a perfect square and a perfect cube, 72661149644953005 is also a perfect sixth number.

Scales and comparisons

• 72,661,149,644,953,005 seconds is equal to 2,310,399,803 years, 6 days, 1 hour, 36 minutes, 45 seconds.
• To count from 1 to 72,661,149,644,953,005 would take you about six billion, nine hundred thirty-one million, one hundred ninety-nine thousand, four hundred nine 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 72661149644953005 cubic inches would be around 34773.9 feet tall.

Recreational maths with 72661149644953005

• 72661149644953005 backwards is 50035944694116627
• The number of decimal digits it has is: 17
• The sum of 72661149644953005's digits is 72
• More coming soon!