21337951548513772

Names of 21337951548513772

• Cardinal: 21337951548513772 can be written as Twenty-one quadrillion, three hundred thirty-seven trillion, nine hundred fifty-one billion, five hundred forty-eight million, five hundred thirteen thousand, seven hundred seventy-two.

Scientific notation

• Scientific notation: 2.1337951548513772 × 10¹⁶

Factors of 21337951548513772

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 3454823

Divisors of 21337951548513772

• Number of divisors d(n): 24
• Complete list of divisors:
  1 2 4 32089 49279 64178 98558 128356 197116 3373453 6746906 13493812 1581313831 3162627662 6325255324 108250733317 166240390387 216501466634 332480780774 433002933268 664961561548 5334487887128443 10668975774256886 21337951548513772
• Sum of all divisors σ(n): 37343347741145600
• Sum of proper divisors (its aliquot sum) s(n): 16005396192631828
• 21337951548513772 is a deficient number, because the sum of its proper divisors (16005396192631828) is less than itself. Its deficiency is 5332555355881944

Bases of 21337951548513772

• Binary: 1001011110011101100000011111110010010001001110111101100₂
• Hexadecimal: 0x4BCEC0FE489DEC
• Base-36: 5U3O7M6EHGS

Squares and roots of 21337951548513772

• 21337951548513772 squared (21337951548513772²) is 455308176286721280389702073667984
• 21337951548513772 cubed (21337951548513772³) is 9715343805248225829083166771750947244631779475648
• The square root of 21337951548513772 is 146075157.1914737733
• The cube root of 21337951548513772 is 277364.5213685591

Scales and comparisons

• 21,337,951,548,513,772 seconds is equal to 678,480,856 years, 32 weeks, 3 days, 12 hours, 2 minutes, 52 seconds.
• To count from 1 to 21,337,951,548,513,772 would take you about two billion, thirty-five million, four hundred forty-two thousand, five hundred sixty-nine 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 21337951548513772 cubic inches would be around 23113.7 feet tall.

Recreational maths with 21337951548513772

• 21337951548513772 backwards is 27731584515973312
• The number of decimal digits it has is: 17
• The sum of 21337951548513772's digits is 73
• More coming soon!