21148916928995584

Names of 21148916928995584

• Cardinal: 21148916928995584 can be written as Twenty-one quadrillion, one hundred forty-eight trillion, nine hundred sixteen billion, nine hundred twenty-eight million, nine hundred ninety-five thousand, five hundred eighty-four.

Scientific notation

• Scientific notation: 2.1148916928995584 × 10¹⁶

Factors of 21148916928995584

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 5450

Divisors of 21148916928995584

• Number of divisors d(n): 135
• Complete list of divisors:
  1 2 4 8 16 32 41 64 82 128 164 256 328 656 1312 1681 2624 3362 5248 5407 6724 10496 10814 13448 21628 26896 43256 53792 68921 86512 107584 137842 173024 215168 221687 275684 346048 430336 443374 551368 692096 886748 1102736 1384192 1773496 2205472 2825761 3546992 4410944 5651522 7093984 8821888 9089167 11303044 14187968 17643776 18178334 22606088 28375936 29235649 36356668 45212176 56751872 58471298 72713336 90424352 116942596 145426672 180848704 233885192 290853344 361697408 372655847 467770384 581706688 723394816 745311694 935540768 1163413376 1198661609 1490623388 1871081536 2326826752 2397323218 2981246776 3742163072 4794646436 5962493552 7484326144 9589292872 11924987104 15278889727 19178585744 23849974208 30557779454 38357171488 47699948416 49145125969 61115558908 76714342976 95399896832 98290251938 122231117816 153428685952 196580503876 244462235632 306857371904 393161007752 488924471264 786322015504 977848942528 1572644031008 1955697885056 2014950164729 3145288062016 3911395770112 4029900329458 6290576124032 8059800658916 12581152248064 16119601317832 32239202635664 64478405271328 82612956753889 128956810542656 165225913507778 257913621085312 330451827015556 515827242170624 660903654031112 1321807308062224 2643614616124448 5287229232248896 10574458464497792 21148916928995584
• Sum of all divisors σ(n): 43278605230743435
• Sum of proper divisors (its aliquot sum) s(n): 22129688301747851
• 21148916928995584 is an abundant number, because the sum of its proper divisors (22129688301747851) is greater than itself. Its abundance is 980771372752267

Bases of 21148916928995584

• Binary: 1001011001000101101001111110000111011111110000100000000₂
• Hexadecimal: 0x4B22D3F0EFE100
• Base-36: 5S8NYB6O4XS

Squares and roots of 21148916928995584

• 21148916928995584 squared (21148916928995584²) is 447276687269556003806683091501056
• 21148916928995584 cubed (21148916928995584³) is 9459417503340176581369766117871928947244955336704
• 21148916928995584 is a perfect square number. Its square root is 145426672
• The cube root of 21148916928995584 is 276543.0258465297

Scales and comparisons

• 21,148,916,928,995,584 seconds is equal to 672,470,140 years, 23 weeks, 1 day, 15 hours, 13 minutes, 4 seconds.
• To count from 1 to 21,148,916,928,995,584 would take you about two billion, seventeen million, four hundred ten thousand, four hundred twenty-one 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 21148916928995584 cubic inches would be around 23045.3 feet tall.

Recreational maths with 21148916928995584

• 21148916928995584 backwards is 48559982961984112
• The number of decimal digits it has is: 17
• The sum of 21148916928995584's digits is 91
• More coming soon!