138707064078349542400

Names of 138707064078349542400

• Cardinal: 138707064078349542400 can be written as One hundred thirty-eight quintillion, seven hundred seven quadrillion, sixty-four trillion, seventy-eight billion, three hundred forty-nine million, five hundred forty-two thousand, four hundred.

Scientific notation

• Scientific notation: 1.387070640783495424 × 10²⁰

Factors of 138707064078349542400

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 73608734

Divisors of 138707064078349542400

• Number of divisors d(n): 99
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 160 200 256 320 400 512 640 800 1024 1280 1600 2560 3200 5120 6400 12800 25600 73608727 147217454 294434908 368043635 588869816 736087270 1177739632 1472174540 1840218175 2355479264 2944349080 3680436350 4710958528 5888698160 7360872700 9421917056 11777396320 14721745400 18843834112 23554792640 29443490800 37687668224 47109585280 58886981600 75375336448 94219170560 117773963200 188438341120 235547926400 376876682240 471095852800 942191705600 1884383411200 5418244690560529 10836489381121058 21672978762242116 27091223452802645 43345957524484232 54182446905605290 86691915048968464 108364893811210580 135456117264013225 173383830097936928 216729787622421160 270912234528026450 346767660195873856 433459575244842320 541824469056052900 693535320391747712 866919150489684640 1083648938112105800 1387070640783495424 1733838300979369280 2167297876224211600 2774141281566990848 3467676601958738560 4334595752448423200 5548282563133981696 6935353203917477120 8669191504896846400 13870706407834954240 17338383009793692800 27741412815669908480 34676766019587385600 69353532039174771200 138707064078349542400
• Sum of all divisors σ(n): 343825557999888541449
• Sum of proper divisors (its aliquot sum) s(n): 205118493921538999049
• 138707064078349542400 is an abundant number, because the sum of its proper divisors (205118493921538999049) is greater than itself. Its abundance is 66411429843189456649

Bases of 138707064078349542400

• Binary: 1111000010011110010011110111110000010110011010111101010010000000000₂
• Hexadecimal: 0x784F27BE0B35EA400
• Base-36: T9TXAL133DDDS

Squares and roots of 138707064078349542400

• 138707064078349542400 squared (138707064078349542400²) is 19239649625235365990233677994289397760000
• 138707064078349542400 cubed (138707064078349542400³) is 2668675313412515669544288566140622669539300767667585024000000
• 138707064078349542400 is a perfect square number. Its square root is 11777396320
• The cube root of 138707064078349542400 is 5176459.9685229469

Scales and comparisons

• 138,707,064,078,349,542,400 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 138,707,064,078,349,542,400 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and 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 138707064078349542400 cubic inches would be around 431371.7 feet tall.

Recreational maths with 138707064078349542400

• 138707064078349542400 backwards is 004245943870460707831
• The number of decimal digits it has is: 21
• The sum of 138707064078349542400's digits is 82
• More coming soon!