21027535277728

Names of 21027535277728

• Cardinal: 21027535277728 can be written as Twenty-one trillion, twenty-seven billion, five hundred thirty-five million, two hundred seventy-seven thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1027535277728 × 10¹³

Factors of 21027535277728

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1820541

Divisors of 21027535277728

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 56 112 224 53113 106226 212452 371791 424904 743582 849808 1487164 1699616 1767419 2974328 3534838 5948656 7069676 11897312 12371933 14139352 24743866 28278704 49487732 56557408 98975464 197950928 395901856 93872925347 187745850694 375491701388 657110477429 750983402776 1314220954858 1501966805552 2628441909716 3003933611104 5256883819432 10513767638864 21027535277728
• Sum of all divisors σ(n): 47312871923520
• Sum of proper divisors (its aliquot sum) s(n): 26285336645792
• 21027535277728 is an abundant number, because the sum of its proper divisors (26285336645792) is greater than itself. Its abundance is 5257801368064

Bases of 21027535277728

• Binary: 100110001111111011010110001010100111010100000₂
• Hexadecimal: 0x131FDAC54EA0
• Base-36: 7GBWZL7Z4

Squares and roots of 21027535277728

• 21027535277728 squared (21027535277728²) is 442157239856095558092841984
• 21027535277728 cubed (21027535277728³) is 9297476959376890221895475226038258532352
• The square root of 21027535277728 is 4585579.0558802929
• The cube root of 21027535277728 is 27601.2948692923

Scales and comparisons

• 21,027,535,277,728 seconds is equal to 668,610 years, 30 weeks, 21 hours, 35 minutes, 28 seconds.
• To count from 1 to 21,027,535,277,728 would take you about one million, six hundred seventy-one thousand, five hundred twenty-six 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 21027535277728 cubic inches would be around 2300.1 feet tall.

Recreational maths with 21027535277728

• 21027535277728 backwards is 82777253572012
• The number of decimal digits it has is: 14
• The sum of 21027535277728's digits is 58
• More coming soon!