21014946902008900

Names of 21014946902008900

• Cardinal: 21014946902008900 can be written as Twenty-one quadrillion, fourteen trillion, nine hundred forty-six billion, nine hundred two million, eight thousand, nine hundred.

Scientific notation

• Scientific notation: 2.10149469020089 × 10¹⁶

Factors of 21014946902008900

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 7633

Divisors of 21014946902008900

• Number of divisors d(n): 54
• Complete list of divisors:
  1 2 4 5 10 20 25 50 100 3607 4019 7214 8038 14428 16076 18035 20095 36070 40190 72140 80380 90175 100475 180350 200950 360700 401900 14496533 16152361 28993066 32304722 57986132 64609444 72482665 80761805 144965330 161523610 289930660 323047220 362413325 403809025 724826650 807618050 1449653300 1615236100 58261566127 116523132254 233046264508 291307830635 582615661270 1165231322540 1456539153175 2913078306350 5826156612700
• Sum of all divisors σ(n): 21021770157710816
• Sum of proper divisors (its aliquot sum) s(n): 6823255701916
• 21014946902008900 is a deficient number, because the sum of its proper divisors (6823255701916) is less than itself. Its deficiency is 21008123646306984

Bases of 21014946902008900

• Binary: 1001010101010001111101110011101000100010110010001000100₂
• Hexadecimal: 0x4AA8FB9D116444
• Base-36: 5QX6DBVLTMS

Squares and roots of 21014946902008900

• 21014946902008900 squared (21014946902008900²) is 441627993294253463658855679210000
• 21014946902008900 cubed (21014946902008900³) is 9280788829519479089660757596505859122964969000000
• 21014946902008900 is a perfect square number. Its square root is 144965330
• The cube root of 21014946902008900 is 275957.8582563911

Scales and comparisons

• 21,014,946,902,008,900 seconds is equal to 668,210,307 years, 51 weeks, 1 day, 14 hours, 1 minute, 40 seconds.
• To count from 1 to 21,014,946,902,008,900 would take you about two billion, four million, six hundred thirty 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 21014946902008900 cubic inches would be around 22996.5 feet tall.

Recreational maths with 21014946902008900

• 21014946902008900 backwards is 00980020964941012
• The number of decimal digits it has is: 17
• The sum of 21014946902008900's digits is 55
• More coming soon!