138646637879360

Names of 138646637879360

• Cardinal: 138646637879360 can be written as One hundred thirty-eight trillion, six hundred forty-six billion, six hundred thirty-seven million, eight hundred seventy-nine thousand, three hundred sixty.

Scientific notation

• Scientific notation: 1.3864663787936 × 10¹⁴

Factors of 138646637879360

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 182581

Divisors of 138646637879360

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 32 40 52 64 65 80 104 130 160 208 260 320 416 520 832 1040 2080 4160 182561 365122 730244 912805 1460488 1825610 2373293 2920976 3651220 4746586 5841952 7302440 9493172 11683904 11866465 14604880 18986344 23732930 29209760 37972688 47465860 58419520 75945376 94931720 151890752 189863440 379726880 759453760 33328518721 66657037442 133314074884 166642593605 266628149768 333285187210 433270743373 533256299536 666570374420 866541486746 1066512599072 1333140748840 1733082973492 2133025198144 2166353716865 2666281497680 3466165946984 4332707433730 5332562995360 6932331893968 8665414867460 10665125990720 13864663787936 17330829734920 27729327575872 34661659469840 69323318939680 138646637879360
• Sum of all divisors σ(n): 355550585287044
• Sum of proper divisors (its aliquot sum) s(n): 216903947407684
• 138646637879360 is an abundant number, because the sum of its proper divisors (216903947407684) is greater than itself. Its abundance is 78257309528324

Bases of 138646637879360

• Binary: 11111100001100100101111100110011010000001000000₂
• Hexadecimal: 0x7E192F99A040
• Base-36: 1D59DWFYGW

Squares and roots of 138646637879360

• 138646637879360 squared (138646637879360²) is 19222890195250383197914009600
• 138646637879360 cubed (138646637879360³) is 2665189095895579725447459815143378681856000
• The square root of 138646637879360 is 11774830.6942970521
• The cube root of 138646637879360 is 51757.0817015585

Scales and comparisons

• 138,646,637,879,360 seconds is equal to 4,408,534 years, 11 weeks, 3 days, 22 hours, 29 minutes, 20 seconds.
• To count from 1 to 138,646,637,879,360 would take you about eleven million, twenty-one thousand, three hundred thirty-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 138646637879360 cubic inches would be around 4313.1 feet tall.

Recreational maths with 138646637879360

• 138646637879360 backwards is 063978736646831
• The number of decimal digits it has is: 15
• The sum of 138646637879360's digits is 77
• More coming soon!