138977027838

Names of 138977027838

• Cardinal: 138977027838 can be written as One hundred thirty-eight billion, nine hundred seventy-seven million, twenty-seven thousand, eight hundred thirty-eight.

Scientific notation

• Scientific notation: 1.38977027838 × 10¹¹

Factors of 138977027838

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 458

Divisors of 138977027838

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 6 9 11 18 22 33 66 99 121 191 198 242 251 363 382 502 573 726 753 1089 1146 1331 1506 1719 2101 2178 2259 2662 2761 3438 3993 4202 4518 5522 6303 7986 8283 11979 12606 14641 16566 18909 23111 23958 24849 29282 30371 37818 43923 46222 47941 49698 60742 69333 87846 91113 95882 131769 138666 143823 161051 182226 207999 254221 263538 273339 287646 322102 334081 415998 431469 483153 508442 527351 546678 668162 762663 862938 966306 1002243 1054702 1449459 1525326 1582053 2004486 2287989 2796431 2898918 3006729 3164106 3674891 4575978 4746159 5592862 5800861 6013458 7349782 8389293 9492318 11024673 11601722 16778586 17402583 22049346 25167879 30760741 33074019 34805166 40423801 50335758 52207749 61521482 63809471 66148038 80847602 92282223 104415498 121271403 127618942 184564446 191428413 242542806 276846669 363814209 382856826 553693338 574285239 701904181 727628418 1148570478 1403808362 2105712543 4211425086 6317137629 7720945991 12634275258 15441891982 23162837973 46325675946 69488513919 138977027838
• Sum of all divisors σ(n): 334289120256
• Sum of proper divisors (its aliquot sum) s(n): 195312092418
• 138977027838 is an abundant number, because the sum of its proper divisors (195312092418) is greater than itself. Its abundance is 56335064580

Bases of 138977027838

• Binary: 10000001011011101011010010011011111110₂
• Hexadecimal: 0x205BAD26FE
• Base-36: 1RUFC0ZI

Squares and roots of 138977027838

• 138977027838 squared (138977027838²) is 19314614266684226954244
• 138977027838 cubed (138977027838³) is 2684287684621205765375478340244472
• The square root of 138977027838 is 372796.2283044183
• The cube root of 138977027838 is 5179.8160844397

Scales and comparisons

• 138,977,027,838 seconds is equal to 4,419 years, 2 weeks, 9 hours, 57 minutes, 18 seconds.
• To count from 1 to 138,977,027,838 would take you about eight thousand, eight hundred thirty-eight 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 138977027838 cubic inches would be around 431.7 feet tall.

Recreational maths with 138977027838

• 138977027838 backwards is 838720779831
• The number of decimal digits it has is: 12
• The sum of 138977027838's digits is 63
• More coming soon!