20720723718064420

Names of 20720723718064420

• Cardinal: 20720723718064420 can be written as Twenty quadrillion, seven hundred twenty trillion, seven hundred twenty-three billion, seven hundred eighteen million, sixty-four thousand, four hundred twenty.

Scientific notation

• Scientific notation: 2.072072371806442 × 10¹⁶

Factors of 20720723718064420

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 24093864788497

Divisors of 20720723718064420

• Number of divisors d(n): 24
• Complete list of divisors:
  1 2 4 5 10 20 43 86 172 215 430 860 24093864788447 48187729576894 96375459153788 120469323942235 240938647884470 481877295768940 1036036185903221 2072072371806442 4144144743612884 5180180929516105 10360361859032210 20720723718064420
• Sum of all divisors σ(n): 44525462129051904
• Sum of proper divisors (its aliquot sum) s(n): 23804738410987484
• 20720723718064420 is an abundant number, because the sum of its proper divisors (23804738410987484) is greater than itself. Its abundance is 3084014692923064

Bases of 20720723718064420

• Binary: 1001001100111010110001101110000101101000100100100100100₂
• Hexadecimal: 0x499D6370B44924
• Base-36: 5O0VT2CI42S

Squares and roots of 20720723718064420

• 20720723718064420 squared (20720723718064420²) is 429348391400357401567831269936400
• 20720723718064420 cubed (20720723718064420³) is 8896409397002191467717422804602223521944502888000
• The square root of 20720723718064420 is 143946947.5816157067
• The cube root of 20720723718064420 is 274663.9364477457

Scales and comparisons

• 20,720,723,718,064,420 seconds is equal to 658,854,920 years, 43 weeks, 7 hours, 13 minutes, 40 seconds.
• To count from 1 to 20,720,723,718,064,420 would take you about one billion, nine hundred seventy-six million, five hundred sixty-four thousand, seven hundred sixty-two 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 20720723718064420 cubic inches would be around 22888.7 feet tall.

Recreational maths with 20720723718064420

• 20720723718064420 backwards is 02446081732702702
• The number of decimal digits it has is: 17
• The sum of 20720723718064420's digits is 55
• More coming soon!