21720320342590

Names of 21720320342590

• Cardinal: 21720320342590 can be written as Twenty-one trillion, seven hundred twenty billion, three hundred twenty million, three hundred forty-two thousand, five hundred ninety.

Scientific notation

• Scientific notation: 2.172032034259 × 10¹³

Factors of 21720320342590

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 556

Divisors of 21720320342590

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 5 10 73 103 146 206 365 373 515 730 746 1030 1865 3730 5329 7519 10609 10658 15038 21218 26645 27229 37595 38419 53045 53290 54458 75190 76838 106090 136145 192095 272290 384190 548887 774457 1092727 1097774 1548914 1987717 2185454 2744435 2804587 3872285 3957157 3975434 5463635 5488870 5609174 7744570 7914314 9938585 10927270 14022935 19785785 19877170 28045870 39571570 56535361 79769071 113070722 159538142 204734851 282676805 288872461 398845355 407587171 409469702 565353610 577744922 797690710 815174342 1023674255 1444362305 2037935855 2047348510 2888724610 4075871710 5823142183 11646284366 21087689653 29115710915 29753863483 42175379306 58231421830 59507726966 105438448265 148769317415 210876896530 297538634830 2172032034259 4344064068518 10860160171295 21720320342590
• Sum of all divisors σ(n): 40135418706240
• Sum of proper divisors (its aliquot sum) s(n): 18415098363650
• 21720320342590 is a deficient number, because the sum of its proper divisors (18415098363650) is less than itself. Its deficiency is 3305221978940

Bases of 21720320342590

• Binary: 100111100000100100111111110100111101000111110₂
• Hexadecimal: 0x13C127FA7A3E
• Base-36: 7P66DXH6M

Squares and roots of 21720320342590

• 21720320342590 squared (21720320342590²) is 471772315784728974967908100
• 21720320342590 cubed (21720320342590³) is 10247045827609842114265253196847635979000
• The square root of 21720320342590 is 4660506.4470065911
• The cube root of 21720320342590 is 27901.1481662397

Scales and comparisons

• 21,720,320,342,590 seconds is equal to 690,639 years, 13 hours, 23 minutes, 10 seconds.
• To count from 1 to 21,720,320,342,590 would take you about one million, seven hundred twenty-six thousand, five hundred ninety-seven 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 21720320342590 cubic inches would be around 2325.1 feet tall.

Recreational maths with 21720320342590

• 21720320342590 backwards is 09524302302712
• The number of decimal digits it has is: 14
• The sum of 21720320342590's digits is 40
• More coming soon!