21381079335

Names of 21381079335

• Cardinal: 21381079335 can be written as Twenty-one billion, three hundred eighty-one million, seventy-nine thousand, three hundred thirty-five.

Scientific notation

• Scientific notation: 2.1381079335 × 10¹⁰

Factors of 21381079335

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3919

Divisors of 21381079335

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 5 7 11 15 19 21 23 33 35 55 57 69 77 95 105 115 121 133 161 165 209 231 253 285 345 363 385 399 437 483 605 627 665 759 805 847 1045 1155 1265 1311 1463 1771 1815 1995 2185 2299 2415 2541 2783 3059 3135 3795 3851 4235 4389 4807 5313 6555 6897 7315 8349 8855 9177 11495 11553 12705 13915 14421 15295 16093 19255 19481 21945 24035 26565 26957 33649 34485 41745 42361 45885 48279 52877 57765 58443 72105 73169 80465 80871 88573 97405 100947 127083 134785 158631 168245 211805 219507 241395 264385 265719 292215 296527 365845 370139 404355 442865 465971 504735 512183 620011 635415 793155 804859 889581 974303 1097535 1110417 1328595 1397913 1482635 1536549 1682887 1850695 1860033 2329855 2414577 2560915 2922909 3100055 3261797 4024295 4447905 4871515 5048661 5552085 5634013 6820121 6989565 7682745 8414435 8853449 9300165 9785391 10717333 11780209 12072885 14614545 16308985 16902039 18511757 20460363 25243305 26560347 28170065 32151999 34100605 35340627 44267245 48926955 53586665 55535271 58901045 61974143 75021331 84510195 92558785 102301815 129582299 132801735 160759995 176703135 185922429 203629327 225063993 277676355 309870715 375106655 388746897 610887981 647911495 929612145 1018146635 1125319965 1425405289 1943734485 3054439905 4276215867 7127026445 21381079335
• Sum of all divisors σ(n): 47215042560
• Sum of proper divisors (its aliquot sum) s(n): 25833963225
• 21381079335 is an abundant number, because the sum of its proper divisors (25833963225) is greater than itself. Its abundance is 4452883890

Bases of 21381079335

• Binary: 10011111010011010010110000100100111₂
• Hexadecimal: 0x4FA696127
• Base-36: 9TLQQEF

Squares and roots of 21381079335

• 21381079335 squared (21381079335²) is 457150553529564042225
• 21381079335 cubed (21381079335³) is 9774372253054773054776014920375
• The square root of 21381079335 is 146222.7045810601
• The cube root of 21381079335 is 2775.5126325081

Scales and comparisons

• 21,381,079,335 seconds is equal to 679 years, 44 weeks, 2 days, 4 hours, 42 minutes, 15 seconds.
• To count from 1 to 21,381,079,335 would take you about one thousand, three hundred fifty-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 21381079335 cubic inches would be around 231.3 feet tall.

Recreational maths with 21381079335

• 21381079335 backwards is 53397018312
• The number of decimal digits it has is: 11
• The sum of 21381079335's digits is 42
• More coming soon!