21908106013248001

Names of 21908106013248001

• Cardinal: 21908106013248001 can be written as Twenty-one quadrillion, nine hundred eight trillion, one hundred six billion, thirteen million, two hundred forty-eight thousand and one.

Scientific notation

• Scientific notation: 2.1908106013248001 × 10¹⁶

Factors of 21908106013248001

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 102364233

Divisors of 21908106013248001

• Number of divisors d(n): 32
• Complete list of divisors:
  1 17 19 23 323 391 437 7429 28817 489889 547523 662791 9307891 11267447 12593029 102335357 214081493 1739701069 1944371783 2353713211 33054320311 40013124587 44720551009 760249367153 2948997982669 50132965705373 56030961670711 67826953601387 952526348402087 1153058211223579 1288712118426353 21908106013248001
• Sum of all divisors σ(n): 25480226996732160
• Sum of proper divisors (its aliquot sum) s(n): 3572120983484159
• 21908106013248001 is a deficient number, because the sum of its proper divisors (3572120983484159) is less than itself. Its deficiency is 18335985029763842

Bases of 21908106013248001

• Binary: 1001101110101010100111001101100100111110000101000000001₂
• Hexadecimal: 0x4DD54E6C9F0A01
• Base-36: 5ZPRWYLR401

Squares and roots of 21908106013248001

• 21908106013248001 squared (21908106013248001²) is 479965109087713220567721530496001
• 21908106013248001 cubed (21908106013248001³) is 10515126492553762778958157302383017887838551744001
• The square root of 21908106013248001 is 148013871.0163611693
• The cube root of 21908106013248001 is 279813.2513806187

Scales and comparisons

• 21,908,106,013,248,001 seconds is equal to 696,610,005 years, 1 second.
• To count from 1 to 21,908,106,013,248,001 would take you about two billion, eighty-nine million, eight hundred thirty thousand and 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 21908106013248001 cubic inches would be around 23317.8 feet tall.

Recreational maths with 21908106013248001

• 21908106013248001 backwards is 10084231060180912
• The number of decimal digits it has is: 17
• The sum of 21908106013248001's digits is 46
• More coming soon!