21373738528974993

Names of 21373738528974993

• Cardinal: 21373738528974993 can be written as Twenty-one quadrillion, three hundred seventy-three trillion, seven hundred thirty-eight billion, five hundred twenty-eight million, nine hundred seventy-four thousand, nine hundred ninety-three.

Scientific notation

• Scientific notation: 2.1373738528974993 × 10¹⁶

Factors of 21373738528974993

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1201128

Divisors of 21373738528974993

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 9 17 21 51 63 119 153 179 357 537 1071 1253 1611 3043 3759 9129 11277 21301 27387 63903 101399 191709 304197 709793 912591 1099523 1723783 2129379 3298569 5171349 6388137 7696661 9895707 12066481 15514047 18150421 18691891 23089983 36199443 54451263 56075673 69269949 108598329 127052947 130843237 163353789 168227019 196814617 308557157 381158841 392529711 590443851 925671471 1143476523 1177589133 1377702319 1771331553 2159900099 2777014413 3345848489 4133106957 6479700297 10037545467 12399320871 19439100891 23420939423 30112636401 70262818269 111490532677 210788454807 334471598031 780433728739 1003414794093 1895339055509 2341301186217 5686017166527 7023903558651 13267373388563 17058051499581 19956805349183 39802120165689 59870416047549 119406360497067 139697637444281 179611248142647 339265690936111 419092912332843 1017797072808333 1257278736998529 2374859836552777 3053391218424999 7124579509658331 21373738528974993
• Sum of all divisors σ(n): 37568254553856000
• Sum of proper divisors (its aliquot sum) s(n): 16194516024881007
• 21373738528974993 is a deficient number, because the sum of its proper divisors (16194516024881007) is less than itself. Its deficiency is 5179222504093986

Bases of 21373738528974993

• Binary: 1001011111011110100110101001100100010101010100010010001₂
• Hexadecimal: 0x4BEF4D4C8AA891
• Base-36: 5UGCVXEKR69

Squares and roots of 21373738528974993

• 21373738528974993 squared (21373738528974993²) is 456836698704990097682211219350049
• 21373738528974993 cubed (21373738528974993³) is 9764308148560587140069235849565473593375634324657
• The square root of 21373738528974993 is 146197600.9686034249
• The cube root of 21373738528974993 is 277519.4955498371

Scales and comparisons

• 21,373,738,528,974,993 seconds is equal to 679,618,771 years, 47 weeks, 1 day, 5 hours, 56 minutes, 33 seconds.
• To count from 1 to 21,373,738,528,974,993 would take you about two billion, thirty-eight million, eight hundred fifty-six thousand, three hundred fifteen 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 21373738528974993 cubic inches would be around 23126.6 feet tall.

Recreational maths with 21373738528974993

• 21373738528974993 backwards is 39947982583737312
• The number of decimal digits it has is: 17
• The sum of 21373738528974993's digits is 90
• More coming soon!