21008447310231063

Names of 21008447310231063

• Cardinal: 21008447310231063 can be written as Twenty-one quadrillion, eight trillion, four hundred forty-seven billion, three hundred ten million, two hundred thirty-one thousand and sixty-three.

Scientific notation

• Scientific notation: 2.1008447310231063 × 10¹⁶

Factors of 21008447310231063

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 53781670

Divisors of 21008447310231063

• Number of divisors d(n): 32
• Complete list of divisors:
  1 3 9 27 103 309 927 2781 140831 422493 1267479 3802437 14505593 43516779 53640733 130550337 160922199 391651011 482766597 1448299791 5524995499 16574986497 49724959491 149174878473 7554278069123 22662834207369 67988502622107 203965507866321 778090641119669 2334271923359007 7002815770077021 21008447310231063
• Sum of all divisors σ(n): 31426020498862080
• Sum of proper divisors (its aliquot sum) s(n): 10417573188631017
• 21008447310231063 is a deficient number, because the sum of its proper divisors (10417573188631017) is less than itself. Its deficiency is 10590874121600046

Bases of 21008447310231063

• Binary: 1001010101000110001001001001111001101010111011000010111₂
• Hexadecimal: 0x4AA3124F357617
• Base-36: 5QUVFGIH53R

Squares and roots of 21008447310231063

• 21008447310231063 squared (21008447310231063²) is 441354858386754785821634450109969
• 21008447310231063 cubed (21008447310231063³) is 9272180287532630297467561124292411763179149767047
• The square root of 21008447310231063 is 144942910.5207669789
• The cube root of 21008447310231063 is 275929.4055178267

Scales and comparisons

• 21,008,447,310,231,063 seconds is equal to 668,003,641 years, 3 weeks, 4 days, 21 hours, 31 minutes, 3 seconds.
• To count from 1 to 21,008,447,310,231,063 would take you about two billion, four million, ten thousand, nine hundred twenty-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 21008447310231063 cubic inches would be around 22994.1 feet tall.

Recreational maths with 21008447310231063

• 21008447310231063 backwards is 36013201374480012
• The number of decimal digits it has is: 17
• The sum of 21008447310231063's digits is 45
• More coming soon!