18138310378663065002

Names of 18138310378663065002

• Cardinal: 18138310378663065002 can be written as Eighteen quintillion, one hundred thirty-eight quadrillion, three hundred ten trillion, three hundred seventy-eight billion, six hundred sixty-three million, sixty-five thousand and two.

Scientific notation

• Scientific notation: 1.8138310378663065002 × 10¹⁹

Factors of 18138310378663065002

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 5584090554

Divisors of 18138310378663065002

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 73 146 241 482 17593 35186 92317 184634 6739141 13478282 22248397 44496794 1624132981 3248265962 5583997921 11167995842 407631848233 815263696466 1345743498961 2691486997922 98239275424153 196478550848306 515497936072957 1030995872145914 37631349333325861 75262698666651722 124235002593582637 248470005187165274 9069155189331532501 18138310378663065002
• Sum of all divisors σ(n): 27694911117247541904
• Sum of proper divisors (its aliquot sum) s(n): 9556600738584476902
• 18138310378663065002 is a deficient number, because the sum of its proper divisors (9556600738584476902) is less than itself. Its deficiency is 8581709640078588100

Bases of 18138310378663065002

• Binary: 1111101110111000001110010011000001000001111111100011010110101010₂
• Hexadecimal: 0xFBB8393041FE35AA
• Base-36: 3TT12EQR44LGQ

Squares and roots of 18138310378663065002

• 18138310378663065002 squared (18138310378663065002²) is 328998303392716260498570036708877260004
• 18138310378663065002 cubed (18138310378663065002³) is 5967473340990645218107652365049386232246269295334306780008
• The square root of 18138310378663065002 is 4258909529.2883441341
• The cube root of 18138310378663065002 is 2627436.7880488641

Scales and comparisons

• 18,138,310,378,663,065,002 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 18,138,310,378,663,065,002 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 18138310378663065002 cubic inches would be around 218953.1 feet tall.

Recreational maths with 18138310378663065002

• 18138310378663065002 backwards is 20056036687301383181
• The number of decimal digits it has is: 20
• The sum of 18138310378663065002's digits is 71
• More coming soon!