138838989504634721279999

Names of 138838989504634721279999

• Cardinal: 138838989504634721279999 can be written as One hundred thirty-eight sextillion, eight hundred thirty-eight quintillion, nine hundred eighty-nine quadrillion, five hundred four trillion, six hundred thirty-four billion, seven hundred twenty-one million, two hundred seventy-nine thousand, nine hundred ninety-nine.

Scientific notation

• Scientific notation: 1.38838989504634721279999 × 10²³

Factors of 138838989504634721279999

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 82465714760

Divisors of 138838989504634721279999

• Number of divisors d(n): 24
• Complete list of divisors:
  1 7 49 79 553 3871 437243797 3060706579 21424946053 34542259963 82028470877 241795819741 574199296139 1692570738187 4019395072973 6480249199283 45361744394981 317532210764867 35866440068363399969 251065080478543799783 1757455563349806598481 2833448765400708597551 19834141357804960182857 138838989504634721279999
• Sum of all divisors σ(n): 163550967087780762776640
• Sum of proper divisors (its aliquot sum) s(n): 24711977583146041496641
• 138838989504634721279999 is a deficient number, because the sum of its proper divisors (24711977583146041496641) is less than itself. Its deficiency is 114127011921488679783358

Bases of 138838989504634721279999

• Binary: 11101011001100111101000001001001010011111100011110011110000100001111111111111₂
• Hexadecimal: 0x1D667A0929F8F3C21FFF
• Base-36: MLWXJWKSHZZZZZZ

Squares and roots of 138838989504634721279999

• 138838989504634721279999 squared (138838989504634721279999²) is 19276265006668070288279896083364275568957440001
• 138838989504634721279999 cubed (138838989504634721279999³) is 2676297154949345756365059036375923681297057320320866779811388963839999
• The square root of 138838989504634721279999 is 372611043186.6381510401
• The cube root of 138838989504634721279999 is 51781005.7301272543

Scales and comparisons

• 138,838,989,504,634,721,279,999 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 138,838,989,504,634,721,279,999 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 138838989504634721279999 cubic inches would be around 4315083.8 feet tall.

Recreational maths with 138838989504634721279999

• 138838989504634721279999 backwards is 999972127436405989838831
• The number of decimal digits it has is: 24
• The sum of 138838989504634721279999's digits is 134
• More coming soon!