21308323816836

Names of 21308323816836

• Cardinal: 21308323816836 can be written as Twenty-one trillion, three hundred eight billion, three hundred twenty-three million, eight hundred sixteen thousand, eight hundred thirty-six.

Scientific notation

• Scientific notation: 2.1308323816836 × 10¹³

Factors of 21308323816836

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 2255

Divisors of 21308323816836

• Number of divisors d(n): 189
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 28 36 42 49 63 84 98 126 147 196 252 294 343 441 588 686 882 1029 1372 1764 2058 2243 2401 3087 4116 4486 4802 6174 6729 7203 8972 9604 12348 13458 14406 15701 16807 20187 21609 26916 28812 31402 33614 40374 43218 47103 50421 62804 67228 80748 86436 94206 100842 109907 117649 141309 151263 188412 201684 219814 235298 282618 302526 329721 352947 439628 470596 565236 605052 659442 705894 769349 989163 1058841 1318884 1411788 1538698 1978326 2117682 2308047 3077396 3956652 4235364 4616094 5031049 5385443 6924141 9232188 10062098 10770886 13848282 15093147 16156329 20124196 21541772 27696564 30186294 32312658 35217343 37698101 45279441 48468987 60372588 64625316 70434686 75396202 90558882 96937974 105652029 113094303 140869372 150792404 181117764 193875948 211304058 226188606 246521401 263886707 316956087 339282909 422608116 452377212 493042802 527773414 633912174 678565818 739564203 791660121 986085604 1055546828 1267824348 1357131636 1479128406 1583320242 1725649807 2218692609 2374980363 2958256812 3166640484 3451299614 4437385218 4749960726 5176949421 6902599228 8874770436 9499921452 10353898842 12079548649 15530848263 20707797684 24159097298 31061696526 36238645947 48318194596 62123393052 72477291894 84556840543 108715937841 144954583788 169113681086 217431875682 253670521629 338227362172 434863751364 507341043258 591897883801 761011564887 1014682086516 1183795767602 1522023129774 1775693651403 2367591535204 3044046259548 3551387302806 5327080954209 7102774605612 10654161908418 21308323816836
• Sum of all divisors σ(n): 62867777454391
• Sum of proper divisors (its aliquot sum) s(n): 41559453637555
• 21308323816836 is an abundant number, because the sum of its proper divisors (41559453637555) is greater than itself. Its abundance is 20251129820719

Bases of 21308323816836

• Binary: 100110110000100111011000100100110010110000100₂
• Hexadecimal: 0x13613B126584
• Base-36: 7JWWPU3D0

Squares and roots of 21308323816836

• 21308323816836 squared (21308323816836²) is 454044663883140319277050896
• 21308323816836 cubed (21308323816836³) is 9674930725328415245127332816396553685056
• 21308323816836 is a perfect square number. Its square root is 4616094
• The cube root of 21308323816836 is 27723.6088422077

Scales and comparisons

• 21,308,323,816,836 seconds is equal to 677,538 years, 40 weeks, 6 days, 6 hours, 36 seconds.
• To count from 1 to 21,308,323,816,836 would take you about one million, six hundred ninety-three thousand, eight hundred forty-six 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 21308323816836 cubic inches would be around 2310.3 feet tall.

Recreational maths with 21308323816836

• 21308323816836 backwards is 63861832380312
• The number of decimal digits it has is: 14
• The sum of 21308323816836's digits is 54
• More coming soon!