138393781094020564

Names of 138393781094020564

• Cardinal: 138393781094020564 can be written as One hundred thirty-eight quadrillion, three hundred ninety-three trillion, seven hundred eighty-one billion, ninety-four million, twenty thousand, five hundred sixty-four.

Scientific notation

• Scientific notation: 1.38393781094020564 × 10¹⁷

Factors of 138393781094020564

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3868051

Divisors of 138393781094020564

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 7 14 28 439 709 878 1418 1756 2836 3073 4111 4963 6146 8222 9926 12292 16444 19852 28777 57554 115108 311251 622502 1245004 1804729 2178757 2914699 3609458 3862783 4357514 5829398 7218916 7725566 8715028 11658796 12633103 15451132 20402893 25266206 27039481 40805786 50532412 54078962 81611572 108157924 1279552861 1695761737 2559105722 2738713147 3391523474 5118211444 5477426294 6783046948 8956870027 10954852588 11870332159 15879900913 17913740054 19170992029 23740664318 31759801826 35827480108 38341984058 47481328636 63519603652 76683968116 111159306391 222318612782 444637225564 1202295071533 2404590143066 4809180286132 6971276500807 8416065500731 11258849747317 13942553001614 16832131001462 22517699494634 27885106003228 33664262002924 45035398989268 48798935505649 78811948231219 97597871011298 157623896462438 195195742022596 315247792924876 4942635039072163 9885270078144326 19770540156288652 34598445273505141 69196890547010282 138393781094020564
• Sum of all divisors σ(n): 277876987540275200
• Sum of proper divisors (its aliquot sum) s(n): 139483206446254636
• 138393781094020564 is an abundant number, because the sum of its proper divisors (139483206446254636) is greater than itself. Its abundance is 1089425352234072

Bases of 138393781094020564

• Binary: 111101011101011000110100100100001001110110111010111010100₂
• Hexadecimal: 0x1EBAC69213B75D4
• Base-36: 11UOI1C9U9QS

Squares and roots of 138393781094020564

• 138393781094020564 squared (138393781094020564²) is 19152838645499683696264834454878096
• 138393781094020564 cubed (138393781094020564³) is 2650633758834380552681022340494078028335247137166144
• The square root of 138393781094020564 is 372013146.3994526149
• The cube root of 138393781094020564 is 517255.9856463831

Scales and comparisons

• 138,393,781,094,020,564 seconds is equal to 4,400,494,158 years, 37 weeks, 2 days, 9 hours, 16 minutes, 4 seconds.
• To count from 1 to 138,393,781,094,020,564 would take you about thirteen billion, two hundred one million, four hundred eighty-two thousand, four hundred seventy-six 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 138393781094020564 cubic inches would be around 43104.7 feet tall.

Recreational maths with 138393781094020564

• 138393781094020564 backwards is 465020490187393831
• The number of decimal digits it has is: 18
• The sum of 138393781094020564's digits is 73
• More coming soon!