521990429855

Names of 521990429855

• Cardinal: 521990429855 can be written as Five hundred twenty-one billion, nine hundred ninety million, four hundred twenty-nine thousand, eight hundred fifty-five.

Scientific notation

• Scientific notation: 5.21990429855 × 10¹¹

Factors of 521990429855

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 5060

Divisors of 521990429855

• Number of divisors d(n): 64
• Complete list of divisors:
  1 5 29 53 113 127 145 265 565 635 1537 3277 3683 4733 5989 6731 7685 14351 16385 18415 23665 29945 33655 71755 137257 173681 195199 250849 416179 534829 601091 686285 760603 868405 975995 1254245 2080895 2674145 3005455 3803015 7274621 15510041 17431639 22057487 28345937 31857823 36373105 67923283 77550205 87158195 110287435 141729685 159289115 339616415 822032173 923876867 1969775207 3599933999 4110160865 4619384335 9848876035 17999669995 104398085971 521990429855
• Sum of all divisors σ(n): 671443292160
• Sum of proper divisors (its aliquot sum) s(n): 149452862305
• 521990429855 is a deficient number, because the sum of its proper divisors (149452862305) is less than itself. Its deficiency is 372537567550

Bases of 521990429855

• Binary: 111100110001001000011011101110010011111₂
• Hexadecimal: 0x79890DDC9F
• Base-36: 6NSRMHEN

Squares and roots of 521990429855

• 521990429855 squared (521990429855²) is 272474008860207675321025
• 521990429855 cubed (521990429855³) is 142228825009254883045392114869201375
• The square root of 521990429855 is 722489.0517198167
• The cube root of 521990429855 is 8051.6986750273

Scales and comparisons

• 521,990,429,855 seconds is equal to 16,597 years, 35 weeks, 2 days, 21 hours, 37 minutes, 35 seconds.
• To count from 1 to 521,990,429,855 would take you about thirty-three thousand, one hundred ninety-five 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 521990429855 cubic inches would be around 671 feet tall.

Recreational maths with 521990429855

• 521990429855 backwards is 558924099125
• The number of decimal digits it has is: 12
• The sum of 521990429855's digits is 59
• More coming soon!