21066729085017

Names of 21066729085017

• Cardinal: 21066729085017 can be written as Twenty-one trillion, sixty-six billion, seven hundred twenty-nine million, eighty-five thousand and seventeen.

Scientific notation

• Scientific notation: 2.1066729085017 × 10¹³

Factors of 21066729085017

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 413287

Divisors of 21066729085017

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 9 11 21 27 33 49 63 77 99 147 189 231 297 441 539 693 1323 1617 2079 3533 4851 10599 14553 24731 31797 38863 74193 95391 116589 173117 222579 272041 349767 409733 519351 667737 816123 1049301 1229199 1558053 1904287 2448369 2868131 3687597 4507063 4674159 5712861 7345107 8604393 11062791 13521189 17138583 20076917 25813179 31549441 40563567 51415749 60230751 77439537 94648323 121690701 180692253 220846087 283944969 542076759 662538261 851834907 1447586689 1987614783 4342760067 5962844349 10133106823 13028280201 15923453579 30399320469 39084840603 47770360737 70931747761 91197961407 111464175053 143311082211 212795243283 273593884221 334392525159 429933246633 638385729849 780249225371 1003177575477 1915157189547 2340747676113 3009532726431 7022243028339 21066729085017
• Sum of all divisors σ(n): 39617278796160
• Sum of proper divisors (its aliquot sum) s(n): 18550549711143
• 21066729085017 is a deficient number, because the sum of its proper divisors (18550549711143) is less than itself. Its deficiency is 2516179373874

Bases of 21066729085017

• Binary: 100110010100011111010111001110101100001011001₂
• Hexadecimal: 0x1328FAE75859
• Base-36: 7GTX6KJ89

Squares and roots of 21066729085017

• 21066729085017 squared (21066729085017²) is 443807074341501206013890289
• 21066729085017 cubed (21066729085017³) is 9349563401166405399559204985777591699913
• The square root of 21066729085017 is 4589850.6604264371
• The cube root of 21066729085017 is 27618.4331656679

Scales and comparisons

• 21,066,729,085,017 seconds is equal to 669,856 years, 42 weeks, 4 days, 22 hours, 16 minutes, 57 seconds.
• To count from 1 to 21,066,729,085,017 would take you about one million, six hundred seventy-four thousand, six hundred forty-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 21066729085017 cubic inches would be around 2301.5 feet tall.

Recreational maths with 21066729085017

• 21066729085017 backwards is 71058092766012
• The number of decimal digits it has is: 14
• The sum of 21066729085017's digits is 54
• More coming soon!