21747006736

Names of 21747006736

• Cardinal: 21747006736 can be written as Twenty-one billion, seven hundred forty-seven million, six thousand, seven hundred thirty-six.

Scientific notation

• Scientific notation: 2.1747006736 × 10¹⁰

Factors of 21747006736

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 531

Divisors of 21747006736

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 4 7 8 13 14 16 23 26 28 29 46 49 52 56 58 91 92 98 104 112 116 161 182 184 196 203 208 232 299 322 343 364 368 377 392 406 457 464 598 637 644 667 686 728 754 784 812 914 1127 1196 1274 1288 1334 1372 1421 1456 1508 1624 1828 2093 2254 2392 2548 2576 2639 2668 2744 2842 3016 3199 3248 3656 4186 4459 4508 4669 4784 5096 5278 5336 5488 5684 5941 6032 6398 7312 7889 8372 8671 8918 9016 9338 9947 10192 10511 10556 10672 11368 11882 12796 13253 14651 15778 16744 17342 17836 18032 18473 18676 19894 21022 21112 22393 22736 23764 25592 26506 29302 31556 32683 33488 34684 35672 36946 37352 39788 41587 42044 42224 44786 47528 51184 53012 58604 60697 63112 65366 69368 71344 73577 73892 74704 79576 83174 84088 89572 92771 95056 102557 106024 117208 121394 126224 129311 130732 136643 138736 147154 147784 156751 159152 166348 168176 172289 179144 185542 205114 212048 228781 234416 242788 258622 261464 273286 291109 294308 295568 304819 313502 332696 344578 358288 371084 410228 424879 457562 485576 515039 517244 522928 546572 582218 588616 609638 627004 649397 665392 689156 742168 820456 849758 915124 956501 971152 1030078 1034488 1093144 1164436 1177232 1206023 1219276 1254008 1298794 1378312 1484336 1640912 1699516 1830248 1913002 2037763 2060156 2068976 2133733 2186288 2328872 2412046 2438552 2508016 2597588 2756624 2974153 3399032 3605273 3660496 3826004 3962647 4075526 4120312 4267466 4545779 4657744 4824092 4877104 5195176 5948306 6695507 6798064 7210546 7652008 7925294 8151052 8240624 8442161 8534932 9091558 9648184 10390352 11896612 13391014 14421092 14936131 15304016 15850588 16302104 16884322 17069864 18183116 19296368 23793224 26782028 27738529 28842184 29872262 31701176 32604208 33768644 34139728 36366232 46868549 47586448 53564056 55477058 57684368 59095127 59744524 63402352 67537288 72732464 93737098 104552917 107128112 110954116 118190254 119489048 135074576 187474196 194169703 209105834 221908232 236380508 238978096 374948392 388339406 418211668 443816464 472761016 749896784 776678812 836423336 945522032 1359187921 1553357624 1672846672 2718375842 3106715248 5436751684 10873503368 21747006736
• Sum of all divisors σ(n): 57246336000
• Sum of proper divisors (its aliquot sum) s(n): 35499329264
• 21747006736 is an abundant number, because the sum of its proper divisors (35499329264) is greater than itself. Its abundance is 13752322528

Bases of 21747006736

• Binary: 10100010000001110001111110100010000₂
• Hexadecimal: 0x51038FD10
• Base-36: 9ZNLTSG

Squares and roots of 21747006736

• 21747006736 squared (21747006736²) is 472932301975629373696
• 21747006736 cubed (21747006736³) is 10284861956735998097606373216256
• The square root of 21747006736 is 147468.6635729775
• The cube root of 21747006736 is 2791.2570285755

Scales and comparisons

• 21,747,006,736 seconds is equal to 691 years, 25 weeks, 2 days, 11 hours, 12 minutes, 16 seconds.
• To count from 1 to 21,747,006,736 would take you about one thousand, three hundred eighty-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 21747006736 cubic inches would be around 232.6 feet tall.

Recreational maths with 21747006736

• 21747006736 backwards is 63760074712
• The number of decimal digits it has is: 11
• The sum of 21747006736's digits is 43
• More coming soon!