21339508572857988

Names of 21339508572857988

• Cardinal: 21339508572857988 can be written as Twenty-one quadrillion, three hundred thirty-nine trillion, five hundred eight billion, five hundred seventy-two million, eight hundred fifty-seven thousand, nine hundred eighty-eight.

Scientific notation

• Scientific notation: 2.1339508572857988 × 10¹⁶

Factors of 21339508572857988

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3934947168

Divisors of 21339508572857988

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 9 12 18 36 97 194 291 388 582 873 1164 1553 1746 3106 3492 4659 6212 9318 13977 18636 27954 55908 150641 301282 451923 602564 903846 1355769 1807692 2711538 5423076 3934945513 7869891026 11804836539 15739782052 23609673078 35414509617 47219346156 70829019234 141658038468 381689714761 763379429522 1145069144283 1526758859044 2290138288566 3435207432849 4580276577132 6110970381689 6870414865698 12221940763378 13740829731396 18332911145067 24443881526756 36665822290134 54998733435201 73331644580268 109997466870402 219994933740804 592764127023833 1185528254047666 1778292381071499 2371056508095332 3556584762142998 5334877143214497 7113169524285996 10669754286428994 21339508572857988
• Sum of all divisors σ(n): 54532725721846008
• Sum of proper divisors (its aliquot sum) s(n): 33193217148988020
• 21339508572857988 is an abundant number, because the sum of its proper divisors (33193217148988020) is greater than itself. Its abundance is 11853708576130032

Bases of 21339508572857988

• Binary: 1001011110100000010101110000100001010101010011010000100₂
• Hexadecimal: 0x4BD02B842AA684
• Base-36: 5U482WIHUH0

Squares and roots of 21339508572857988

• 21339508572857988 squared (21339508572857988²) is 455374626131079563746082415408144
• 21339508572857988 cubed (21339508572857988³) is 9717470738186173510898498827759927526041570654272
• The square root of 21339508572857988 is 146080486.6258939733
• The cube root of 21339508572857988 is 277371.2676082675

Scales and comparisons

• 21,339,508,572,857,988 seconds is equal to 678,530,365 years, 9 weeks, 3 days, 14 hours, 19 minutes, 48 seconds.
• To count from 1 to 21,339,508,572,857,988 would take you about two billion, thirty-five million, five hundred ninety-one thousand and ninety-five 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 21339508572857988 cubic inches would be around 23114.3 feet tall.

Recreational maths with 21339508572857988

• 21339508572857988 backwards is 88975827580593312
• The number of decimal digits it has is: 17
• The sum of 21339508572857988's digits is 90
• More coming soon!