21684036231

Names of 21684036231

• Cardinal: 21684036231 can be written as Twenty-one billion, six hundred eighty-four million, thirty-six thousand, two hundred thirty-one.

Scientific notation

• Scientific notation: 2.1684036231 × 10¹⁰

Factors of 21684036231

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 162

Divisors of 21684036231

• Number of divisors d(n): 288
• Complete list of divisors:
  1 3 9 11 13 17 27 33 39 47 51 71 81 99 117 121 141 143 153 187 213 221 243 297 351 363 423 429 459 517 561 611 639 663 781 799 891 923 1053 1089 1207 1269 1287 1377 1551 1573 1683 1833 1917 1989 2057 2343 2397 2431 2673 2769 3159 3267 3337 3621 3807 3861 4131 4653 4719 5049 5499 5687 5751 5967 6171 6721 7029 7191 7293 8307 8591 8789 9801 10011 10153 10387 10863 11421 11583 13277 13959 14157 15147 15691 16497 17061 17253 17901 18513 20163 21087 21573 21879 24921 25773 26367 26741 29403 30033 30459 31161 32589 34749 36707 39831 41877 42471 43381 45441 47073 49491 51183 53703 55539 56729 60489 63261 64719 65637 73931 74763 77319 79101 80223 90099 91377 93483 96679 97767 110121 111683 114257 119493 125631 127413 130143 141219 146047 148473 153549 166617 170187 172601 181467 189783 194157 196911 221793 224289 231957 237303 240669 270297 274131 280449 290037 293301 330363 335049 342771 358479 382239 390429 403777 423657 438141 460647 477191 499851 510561 517803 544401 590733 624019 665379 695871 711909 722007 737477 810891 822393 841347 870111 991089 1005147 1028313 1075437 1171287 1211331 1256827 1270971 1314423 1381941 1431573 1531683 1553409 1633203 1872057 1898611 1996137 2087613 2135727 2166021 2212431 2467179 2524041 2610333 2973267 3015441 3084939 3226311 3513861 3633993 3770481 3812913 3943269 4294719 4595049 4660227 5249101 5616171 5695833 5988411 6498063 6637293 6864209 7830999 8112247 8919801 9046323 9254817 10541583 10901979 11311443 11829807 12884157 13785147 13980681 15747303 16848513 17087499 17965233 19911879 20592627 23492997 24336741 27138969 27764451 32705937 33934329 35489421 38652471 41942043 47241909 50545539 51262497 59735637 61777881 73010223 89234717 98117811 101802987 115957413 141725727 151636617 153787491 179206911 185333643 219030669 267704151 305408961 425177181 461362473 556000929 657092007 803112453 1275531543 1668002787 1971276021 2409337359 7228012077 21684036231
• Sum of all divisors σ(n): 42162591744
• Sum of proper divisors (its aliquot sum) s(n): 20478555513
• 21684036231 is a deficient number, because the sum of its proper divisors (20478555513) is less than itself. Its deficiency is 1205480718

Bases of 21684036231

• Binary: 10100001100011110000010001010000111₂
• Hexadecimal: 0x50C782287
• Base-36: 9YM45FR

Squares and roots of 21684036231

• 21684036231 squared (21684036231²) is 470197427267320685361
• 21684036231 cubed (21684036231³) is 10195778048587569063663675314391
• The square root of 21684036231 is 147255.0040949373
• The cube root of 21684036231 is 2788.5603082087

Scales and comparisons

• 21,684,036,231 seconds is equal to 689 years, 25 weeks, 1 day, 15 hours, 23 minutes, 51 seconds.
• To count from 1 to 21,684,036,231 would take you about one thousand, three hundred seventy-eight 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 21684036231 cubic inches would be around 232.4 feet tall.

Recreational maths with 21684036231

• 21684036231 backwards is 13263048612
• The number of decimal digits it has is: 11
• The sum of 21684036231's digits is 36
• More coming soon!