21036932332749

Names of 21036932332749

• Cardinal: 21036932332749 can be written as Twenty-one trillion, thirty-six billion, nine hundred thirty-two million, three hundred thirty-two thousand, seven hundred forty-nine.

Scientific notation

• Scientific notation: 2.1036932332749 × 10¹³

Factors of 21036932332749

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 80855

Divisors of 21036932332749

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 9 103 309 431 661 927 1293 1983 3879 5949 44393 68083 79657 133179 204249 238971 284891 399537 612747 716913 854673 2564019 8204671 24614013 29343773 34332167 52653277 73842039 88031319 102996501 157959831 264093957 308989503 473879493 3536213201 5423287531 10608639603 16269862593 22693562387 31825918809 48809587779 68080687161 204242061483 2337436925861 7012310777583 21036932332749
• Sum of all divisors σ(n): 30799795014144
• Sum of proper divisors (its aliquot sum) s(n): 9762862681395
• 21036932332749 is a deficient number, because the sum of its proper divisors (9762862681395) is less than itself. Its deficiency is 11274069651354

Bases of 21036932332749

• Binary: 100110010001000001010111000001111110011001101₂
• Hexadecimal: 0x13220AE0FCCD
• Base-36: 7GG8ECQ19

Squares and roots of 21036932332749

• 21036932332749 squared (21036932332749²) is 442552521972660282857897001
• 21036932332749 cubed (21036932332749³) is 9309947458426269363463081333723301185749
• The square root of 21036932332749 is 4586603.5726612561
• The cube root of 21036932332749 is 27605.4058640063

Scales and comparisons

• 21,036,932,332,749 seconds is equal to 668,909 years, 19 weeks, 4 days, 2 hours, 39 minutes, 9 seconds.
• To count from 1 to 21,036,932,332,749 would take you about one million, six hundred seventy-two thousand, two 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 21036932332749 cubic inches would be around 2300.5 feet tall.

Recreational maths with 21036932332749

• 21036932332749 backwards is 94723323963012
• The number of decimal digits it has is: 14
• The sum of 21036932332749's digits is 54
• More coming soon!