138147667320

Names of 138147667320

• Cardinal: 138147667320 can be written as One hundred thirty-eight billion, one hundred forty-seven million, six hundred sixty-seven thousand, three hundred twenty.

Scientific notation

• Scientific notation: 1.3814766732 × 10¹¹

Factors of 138147667320

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 28881

Divisors of 138147667320

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 20 24 26 30 39 40 52 60 65 78 104 120 130 156 195 260 312 390 520 780 1560 3491 6982 10473 13964 17455 20946 25367 27928 34910 41892 45383 50734 52365 69820 76101 83784 90766 101468 104730 126835 136149 139640 152202 181532 202936 209460 226915 253670 272298 304404 329771 363064 380505 418920 453830 507340 544596 608808 659542 680745 761010 907660 989313 1014680 1089192 1319084 1361490 1522020 1648855 1815320 1978626 2638168 2722980 3044040 3297710 3957252 4946565 5445960 6595420 7914504 9893130 13190840 19786260 39572520 88556197 177112394 265668591 354224788 442780985 531337182 708449576 885561970 1062674364 1151230561 1328342955 1771123940 2125348728 2302461122 2656685910 3453691683 3542247880 4604922244 5313371820 5756152805 6907383366 9209844488 10626743640 11512305610 13814766732 17268458415 23024611220 27629533464 34536916830 46049222440 69073833660 138147667320
• Sum of all divisors σ(n): 446468682240
• Sum of proper divisors (its aliquot sum) s(n): 308321014920
• 138147667320 is an abundant number, because the sum of its proper divisors (308321014920) is greater than itself. Its abundance is 170173347600

Bases of 138147667320

• Binary: 10000000101010001111100001110101111000₂
• Hexadecimal: 0x202A3E1D78
• Base-36: 1RGPJYBC

Squares and roots of 138147667320

• 138147667320 squared (138147667320²) is 19084777985957395982400
• 138147667320 cubed (138147667320³) is 2636517560080101971870099775168000
• The square root of 138147667320 is 371682.2128108903
• The cube root of 138147667320 is 5169.4918149099

Scales and comparisons

• 138,147,667,320 seconds is equal to 4,392 years, 34 weeks, 5 days, 8 hours, 2 minutes.
• To count from 1 to 138,147,667,320 would take you about eight thousand, seven hundred eighty-five 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 138147667320 cubic inches would be around 430.8 feet tall.

Recreational maths with 138147667320

• 138147667320 backwards is 023766741831
• The number of decimal digits it has is: 12
• The sum of 138147667320's digits is 48
• More coming soon!