21352356556331827

Names of 21352356556331827

• Cardinal: 21352356556331827 can be written as Twenty-one quadrillion, three hundred fifty-two trillion, three hundred fifty-six billion, five hundred fifty-six million, three hundred thirty-one thousand, eight hundred twenty-seven.

Scientific notation

• Scientific notation: 2.1352356556331827 × 10¹⁶

Factors of 21352356556331827

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 298896117

Divisors of 21352356556331827

• Number of divisors d(n): 8
• Complete list of divisors:
  1 13 5600107 72801391 293295997 3812847961 1642488965871679 21352356556331827
• Sum of all divisors σ(n): 22994849706748976
• Sum of proper divisors (its aliquot sum) s(n): 1642493150417149
• 21352356556331827 is a deficient number, because the sum of its proper divisors (1642493150417149) is less than itself. Its deficiency is 19709863405914678

Bases of 21352356556331827

• Binary: 1001011110110111101101011101011101010000101101100110011₂
• Hexadecimal: 0x4BDBDAEBA85B33
• Base-36: 5U8S16O4PPV

Squares and roots of 21352356556331827

• 21352356556331827 squared (21352356556331827²) is 455923130508726757973925733157929
• 21352356556331827 cubed (21352356556331827³) is 9735033244901343010464497679370025720789120106283
• The square root of 21352356556331827 is 146124455.7092748489
• The cube root of 21352356556331827 is 277426.9225372805

Scales and comparisons

• 21,352,356,556,331,827 seconds is equal to 678,938,891 years, 16 weeks, 3 days, 37 minutes, 7 seconds.
• To count from 1 to 21,352,356,556,331,827 would take you about two billion, thirty-six million, eight hundred sixteen thousand, six hundred seventy-three 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 21352356556331827 cubic inches would be around 23118.9 feet tall.

Recreational maths with 21352356556331827

• 21352356556331827 backwards is 72813365565325312
• The number of decimal digits it has is: 17
• The sum of 21352356556331827's digits is 67
• More coming soon!