21431665332

Names of 21431665332

• Cardinal: 21431665332 can be written as Twenty-one billion, four hundred thirty-one million, six hundred sixty-five thousand, three hundred thirty-two.

Scientific notation

• Scientific notation: 2.1431665332 × 10¹⁰

Factors of 21431665332

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 8674

Divisors of 21431665332

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 7 9 11 12 14 17 18 21 22 28 33 34 36 42 44 51 53 63 66 68 77 84 99 102 106 119 126 132 153 154 159 187 198 204 212 231 238 252 306 308 318 357 371 374 396 462 476 477 561 583 612 636 693 714 742 748 901 924 954 1071 1113 1122 1166 1309 1386 1428 1484 1683 1749 1802 1908 2142 2226 2244 2332 2618 2703 2772 3339 3366 3498 3604 3927 4081 4284 4452 5236 5247 5406 6307 6678 6732 6996 7854 8109 8162 8581 9911 10494 10812 11781 12243 12614 13356 15708 16218 16324 17162 18921 19822 20988 23562 24486 25228 25743 29733 32436 34324 36729 37842 39644 47124 48972 51486 56763 59466 60067 69377 73458 75684 77229 89199 94391 102972 113526 118932 120134 138754 145877 146916 154458 178398 180201 188782 208131 227052 240268 277508 283173 291754 308916 356796 360402 377564 416262 437631 454793 540603 566346 583508 624393 660737 720804 832524 849519 875262 909586 1021139 1081206 1132692 1248786 1312893 1321474 1364379 1604647 1699038 1750524 1819172 1982211 2042278 2162412 2497572 2625786 2642948 2728758 3063417 3183551 3209294 3398076 3964422 4084556 4093137 4813941 5002723 5251572 5457516 5946633 6126834 6367102 6418588 7731481 7928844 8186274 9190251 9550653 9627882 10005446 11232529 11893266 12253668 12734204 14441823 15008169 15462962 16372548 18380502 19101306 19255764 20010892 22465058 23194443 23786532 28651959 28883646 30016338 30925924 33697587 35019061 36761004 38202612 44930116 45024507 46388886 54120367 57303918 57767292 60032676 67395174 69583329 70038122 85046291 90049014 92777772 101092761 105057183 108240734 114607836 134790348 139166658 140076244 162361101 170092582 180098028 202185522 210114366 216481468 255138873 278333316 315171549 324722202 340185164 404371044 420228732 487083303 510277746 595324037 630343098 649444404 765416619 974166606 1020555492 1190648074 1260686196 1530833238 1785972111 1948333212 2381296148 3061666476 3571944222 5357916333 7143888444 10715832666 21431665332
• Sum of all divisors σ(n): 72873126144
• Sum of proper divisors (its aliquot sum) s(n): 51441460812
• 21431665332 is an abundant number, because the sum of its proper divisors (51441460812) is greater than itself. Its abundance is 30009795480

Bases of 21431665332

• Binary: 10011111101011011010100001010110100₂
• Hexadecimal: 0x4FD6D42B4
• Base-36: 9UFUYT0

Squares and roots of 21431665332

• 21431665332 squared (21431665332²) is 459316278902850670224
• 21431665332 cubed (21431665332³) is 9843912770985467705012665474368
• The square root of 21431665332 is 146395.5782528967
• The cube root of 21431665332 is 2777.6997920049

Scales and comparisons

• 21,431,665,332 seconds is equal to 681 years, 23 weeks, 6 days, 16 hours, 22 minutes, 12 seconds.
• To count from 1 to 21,431,665,332 would take you about one thousand, three hundred sixty-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 21431665332 cubic inches would be around 231.5 feet tall.

Recreational maths with 21431665332

• 21431665332 backwards is 23356613412
• 21431665332 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21431665332's digits is 36
• More coming soon!