855387398739459896

Names of 855387398739459896

• Cardinal: 855387398739459896 can be written as Eight hundred fifty-five quadrillion, three hundred eighty-seven trillion, three hundred ninety-eight billion, seven hundred thirty-nine million, four hundred fifty-nine thousand, eight hundred ninety-six.

Scientific notation

• Scientific notation: 8.55387398739459896 × 10¹⁷

Factors of 855387398739459896

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 405882115

Divisors of 855387398739459896

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 4 8 3413 6826 13652 27304 77201 154402 308804 617608 263487013 405801499 526974026 811602998 1053948052 1623205996 2107896104 3246411992 1385000516087 2770001032174 5540002064348 11080004128696 31328281524299 62656563048598 125313126097196 250626252194392 106923424842432487 213846849684864974 427693699369729948 855387398739459896
• Sum of all divisors σ(n): 1604342081907630000
• Sum of proper divisors (its aliquot sum) s(n): 748954683168170104
• 855387398739459896 is a deficient number, because the sum of its proper divisors (748954683168170104) is less than itself. Its deficiency is 106432715571289792

Bases of 855387398739459896

• Binary: 101111011110111100100100111010011111001101011111111100111000₂
• Hexadecimal: 0xBDEF24E9F35FF38
• Base-36: 6HYHIY41BHO8

Squares and roots of 855387398739459896

• 855387398739459896 squared (855387398739459896²) is 731687601922259757276382153792330816
• 855387398739459896 cubed (855387398739459896³) is 625876354498195210078679697586636479752989718796955136
• The square root of 855387398739459896 is 924871557.9687051313
• The cube root of 855387398739459896 is 949265.3225654087

Scales and comparisons

• 855,387,398,739,459,896 seconds is equal to 27,198,673,392 years, 50 weeks, 2 days, 1 hour, 4 minutes, 56 seconds.
• To count from 1 to 855,387,398,739,459,896 would take you about eighty-one billion, five hundred ninety-six million, twenty thousand, one hundred seventy-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 855387398739459896 cubic inches would be around 79105.4 feet tall.

Recreational maths with 855387398739459896

• 855387398739459896 backwards is 698954937893783558
• The number of decimal digits it has is: 18
• The sum of 855387398739459896's digits is 116
• More coming soon!