21468727834387672

Names of 21468727834387672

• Cardinal: 21468727834387672 can be written as Twenty-one quadrillion, four hundred sixty-eight trillion, seven hundred twenty-seven billion, eight hundred thirty-four million, three hundred eighty-seven thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 2.1468727834387672 × 10¹⁶

Factors of 21468727834387672

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 4526216

Divisors of 21468727834387672

• Number of divisors d(n): 24
• Complete list of divisors:
  1 2 4 8 131 262 524 1048 4526083 9052166 18104332 36208664 592916873 1185833746 2371667492 4743334984 20485427322889 40970854645778 81941709291556 163883418583112 2683590979298459 5367181958596918 10734363917193836 21468727834387672
• Sum of all divisors σ(n): 40561155060966540
• Sum of proper divisors (its aliquot sum) s(n): 19092427226578868
• 21468727834387672 is a deficient number, because the sum of its proper divisors (19092427226578868) is less than itself. Its deficiency is 2376300607808804

Bases of 21468727834387672

• Binary: 1001100010001011011000110111000010110010010010011011000₂
• Hexadecimal: 0x4C45B1B85924D8
• Base-36: 5VE11EUGUL4

Squares and roots of 21468727834387672

• 21468727834387672 squared (21468727834387672²) is 460906274827011980869875185579584
• 21468727834387672 cubed (21468727834387672³) is 9895071371422606106127302317406116695885064488448
• The square root of 21468727834387672 is 146522106.9818055545
• The cube root of 21468727834387672 is 277930.0059901575

Scales and comparisons

• 21,468,727,834,387,672 seconds is equal to 682,639,137 years, 51 weeks, 6 days, 8 hours, 7 minutes, 52 seconds.
• To count from 1 to 21,468,727,834,387,672 would take you about two billion, forty-seven million, nine hundred seventeen thousand, four 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 21468727834387672 cubic inches would be around 23160.8 feet tall.

Recreational maths with 21468727834387672

• 21468727834387672 backwards is 27678343872786412
• The number of decimal digits it has is: 17
• The sum of 21468727834387672's digits is 85
• More coming soon!