21249194274

Names of 21249194274

• Cardinal: 21249194274 can be written as Twenty-one billion, two hundred forty-nine million, one hundred ninety-four thousand, two hundred seventy-four.

Scientific notation

• Scientific notation: 2.1249194274 × 10¹⁰

Factors of 21249194274

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 6109

Divisors of 21249194274

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 6 7 9 11 14 18 19 21 22 33 38 42 49 57 63 66 77 98 99 114 126 133 147 154 171 198 209 231 266 294 342 361 399 418 441 462 539 627 693 722 798 882 931 1078 1083 1197 1254 1386 1463 1617 1862 1881 2166 2394 2527 2793 2926 3234 3249 3762 3971 4389 4851 5054 5586 6067 6498 7581 7942 8379 8778 9702 10241 11913 12134 13167 15162 16758 17689 18201 20482 22743 23826 26334 27797 30723 35378 35739 36402 42469 45486 53067 54603 55594 61446 66737 71478 83391 84938 92169 106134 109206 115273 127407 133474 159201 166782 184338 194579 200211 230546 250173 254814 297283 318402 345819 382221 389158 400422 467159 500346 583737 594566 600633 691638 764442 806911 891849 934318 1037457 1167474 1201266 1268003 1401477 1613822 1751211 1783698 2074914 2190187 2420733 2536006 2675547 2802954 3270113 3502422 3804009 4204431 4380374 4841466 5351094 5648377 6540226 6570561 7262199 7608018 8408862 8876021 9810339 11296754 11412027 13141122 14524398 15331309 16945131 17752042 19620678 19711683 22824054 24092057 26628063 29431017 30662618 33890262 39423366 45993927 48184114 50835393 53256126 58862034 62132147 72276171 79884189 91987854 101670786 107319163 124264294 137981781 144552342 159768378 168644399 186396441 214638326 216828513 275963562 321957489 337288798 372792882 433657026 505933197 559189323 643914978 965872467 1011866394 1118378646 1180510793 1517799591 1931744934 2361021586 3035599182 3541532379 7083064758 10624597137 21249194274
• Sum of all divisors σ(n): 61672457808
• Sum of proper divisors (its aliquot sum) s(n): 40423263534
• 21249194274 is an abundant number, because the sum of its proper divisors (40423263534) is greater than itself. Its abundance is 19174069260

Bases of 21249194274

• Binary: 10011110010100011001111100100100010₂
• Hexadecimal: 0x4F28CF922
• Base-36: 9RF7Z8I

Squares and roots of 21249194274

• 21249194274 squared (21249194274²) is 451528257294194387076
• 21249194274 cubed (21249194274³) is 9594611659444994103298278802824
• The square root of 21249194274 is 145771.0337275551
• The cube root of 21249194274 is 2769.7941205097

Scales and comparisons

• 21,249,194,274 seconds is equal to 675 years, 34 weeks, 1 day, 17 hours, 57 minutes, 54 seconds.
• To count from 1 to 21,249,194,274 would take you about one thousand, three hundred fifty-one 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 21249194274 cubic inches would be around 230.8 feet tall.

Recreational maths with 21249194274

• 21249194274 backwards is 47249194212
• The number of decimal digits it has is: 11
• The sum of 21249194274's digits is 45
• More coming soon!