21053815355079162

Names of 21053815355079162

• Cardinal: 21053815355079162 can be written as Twenty-one quadrillion, fifty-three trillion, eight hundred fifteen billion, three hundred fifty-five million, seventy-nine thousand, one hundred sixty-two.

Scientific notation

• Scientific notation: 2.1053815355079162 × 10¹⁶

Factors of 21053815355079162

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1619476

Divisors of 21053815355079162

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 6 9 18 27 54 81 162 2657 5314 7971 15942 23913 30841 47826 61682 71739 92523 143478 185046 215217 277569 430434 555138 832707 1585973 1665414 2498121 3171946 4757919 4996242 9515838 14273757 28547514 42821271 81944537 85642542 128463813 163889074 245833611 256927626 491667222 737500833 1475001666 2212502499 4213930261 4425004998 6637507497 8427860522 12641790783 13275014994 25283581566 37925372349 48912993293 75850744698 97825986586 113776117047 146738979879 227552234094 293477959758 341328351141 440216939637 682656702282 880433879274 1320650818911 2641301637822 3961952456733 7923904913466 129961823179501 259923646359002 389885469538503 779770939077006 1169656408615509 2339312817231018 3508969225846527 7017938451693054 10526907677539581 21053815355079162
• Sum of all divisors σ(n): 47195457221144232
• Sum of proper divisors (its aliquot sum) s(n): 26141641866065070
• 21053815355079162 is an abundant number, because the sum of its proper divisors (26141641866065070) is greater than itself. Its abundance is 5087826510985908

Bases of 21053815355079162

• Binary: 1001010110011000101010101100001011001111111100111111010₂
• Hexadecimal: 0x4ACC556167F9FA
• Base-36: 5RAYD910DMI

Squares and roots of 21053815355079162

• 21053815355079162 squared (21053815355079162²) is 443263141005767100287271286622244
• 21053815355079162 cubed (21053815355079162³) is 9332380324447839116350275660530947781348210079528
• The square root of 21053815355079162 is 145099329.2716377859
• The cube root of 21053815355079162 is 276127.8872213929

Scales and comparisons

• 21,053,815,355,079,162 seconds is equal to 669,446,204 years, 29 weeks, 2 days, 13 hours, 32 minutes, 42 seconds.
• To count from 1 to 21,053,815,355,079,162 would take you about two billion, eight million, three hundred thirty-eight thousand, six hundred thirteen 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 21053815355079162 cubic inches would be around 23010.7 feet tall.

Recreational maths with 21053815355079162

• 21053815355079162 backwards is 26197055351835012
• The number of decimal digits it has is: 17
• The sum of 21053815355079162's digits is 63
• More coming soon!