138438720651528

Names of 138438720651528

• Cardinal: 138438720651528 can be written as One hundred thirty-eight trillion, four hundred thirty-eight billion, seven hundred twenty million, six hundred fifty-one thousand, five hundred twenty-eight.

Scientific notation

• Scientific notation: 1.38438720651528 × 10¹⁴

Factors of 138438720651528

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 7599841972

Divisors of 138438720651528

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 18 22 23 24 33 36 44 46 66 69 72 88 92 99 132 138 184 198 207 253 264 276 396 414 506 552 759 792 828 1012 1518 1656 2024 2277 3036 4554 6072 9108 18216 7599841933 15199683866 22799525799 30399367732 45599051598 60798735464 68398577397 83598261263 91198103196 136797154794 167196522526 174796364459 182396206392 250794783789 273594309588 334393045052 349592728918 501589567578 524389093377 547188619176 668786090104 699185457836 752384351367 1003179135156 1048778186754 1398370915672 1504768702734 1573167280131 1922760009049 2006358270312 2097556373508 3009537405468 3146334560262 3845520018098 4195112747016 5768280027147 6019074810936 6292669120524 7691040036196 11536560054294 12585338241048 15382080072392 17304840081441 23073120108588 34609680162882 46146240217176 69219360325764 138438720651528
• Sum of all divisors σ(n): 426807123013440
• Sum of proper divisors (its aliquot sum) s(n): 288368402361912
• 138438720651528 is an abundant number, because the sum of its proper divisors (288368402361912) is greater than itself. Its abundance is 149929681710384

Bases of 138438720651528

• Binary: 11111011110100011000110110001001000000100001000₂
• Hexadecimal: 0x7DE8C6C48108
• Base-36: 1D2LVBW6Q0

Squares and roots of 138438720651528

• 138438720651528 squared (138438720651528²) is 19165279375631805152808734784
• 138438720651528 cubed (138438720651528³) is 2653216757691582437690884395915605836349952
• The square root of 138438720651528 is 11765998.4978550799
• The cube root of 138438720651528 is 51731.1967784931

Scales and comparisons

• 138,438,720,651,528 seconds is equal to 4,401,923 years, 5 weeks, 12 hours, 58 minutes, 48 seconds.
• To count from 1 to 138,438,720,651,528 would take you about eleven million, four thousand, eight hundred seven 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 138438720651528 cubic inches would be around 4310.9 feet tall.

Recreational maths with 138438720651528

• 138438720651528 backwards is 825156027834831
• The number of decimal digits it has is: 15
• The sum of 138438720651528's digits is 63
• More coming soon!