138439653496968992442625

Names of 138439653496968992442625

• Cardinal: 138439653496968992442625 can be written as One hundred thirty-eight sextillion, four hundred thirty-nine quintillion, six hundred fifty-three quadrillion, four hundred ninety-six trillion, nine hundred sixty-eight billion, nine hundred ninety-two million, four hundred forty-two thousand, six hundred twenty-five.

Scientific notation

• Scientific notation: 1.38439653496968992442625 × 10²³

Factors of 138439653496968992442625

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 290737774

Divisors of 138439653496968992442625

• Number of divisors d(n): 128
• Complete list of divisors:
  1 5 13 25 29 65 125 145 325 377 725 1625 1885 3581 3625 9425 17905 46553 47125 89525 103849 232765 447625 519245 1163825 1350037 2596225 2849617 5819125 6750185 12981125 14248085 33750925 37045021 71240425 82638893 168754625 185225105 287884529 356202125 413194465 926125525 1074305609 1439422645 2065972325 3742498877 4630627625 5371528045 7197113225 8348651341 10204478477 10329861625 18712494385 26857640225 35985566125 41743256705 51022392385 93562471925 108532467433 132658220201 134288201125 208716283525 255111961925 295929875833 467812359625 542662337165 663291101005 1030914498349 1043581417625 1275559809625 1479649379165 2713311685825 3316455505025 3847088385829 5154572491745 7398246895825 13401888478537 13566558429125 16582277525125 19235441929145 25772862458725 29896520452121 36991234479125 67009442392685 96177209645725 128864312293625 149482602260605 335047211963425 388654765877573 480886048228625 747413011303025 820360647875393 1675236059817125 1943273829387865 3737065056515125 4101803239376965 9716369146939325 10664688422380109 20509016196884825 23790458788386397 48581845734696625 53323442111900545 102545080984424125 118952293941931985 266617210559502725 309275964249023161 594761469709659925 1333086052797513625 1546379821245115805 2937711480041782333 2973807348548299625 7731899106225579025 14688557400208911665 38190249240543170329 38659495531127895125 73442787001044558325 85193632921211687657 190951246202715851645 367213935005222791625 425968164606058438285 954756231013579258225 1107517227975751939541 2129840823030292191425 4773781155067896291125 5537586139878759697705 10649204115151460957125 27687930699393798488525 138439653496968992442625
• Sum of all divisors σ(n): 192532674435150871785600
• Sum of proper divisors (its aliquot sum) s(n): 54093020938181879342975
• 138439653496968992442625 is a deficient number, because the sum of its proper divisors (54093020938181879342975) is less than itself. Its deficiency is 84346632558787113099650

Bases of 138439653496968992442625

• Binary: 11101010100001101010000100010101010101100010111111001010100101100100100000001₂
• Hexadecimal: 0x1D50D422AAC5F952C901
• Base-36: MJKNL2CDQ7K4001

Squares and roots of 138439653496968992442625

• 138439653496968992442625 squared (138439653496968992442625²) is 19165537660360838978011434267687864363916890625
• 138439653496968992442625 cubed (138439653496968992442625³) is 2653270392783464343595488200144886059981127275267792394759213712890625
• The square root of 138439653496968992442625 is 372074795568.0000000011
• The cube root of 138439653496968992442625 is 51731312.9721476877

Scales and comparisons

• 138,439,653,496,968,992,442,625 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 138,439,653,496,968,992,442,625 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 138439653496968992442625 cubic inches would be around 4310942.7 feet tall.

Recreational maths with 138439653496968992442625

• 138439653496968992442625 backwards is 526244299869694356934831
• The number of decimal digits it has is: 24
• The sum of 138439653496968992442625's digits is 127
• More coming soon!