21264912032

Names of 21264912032

• Cardinal: 21264912032 can be written as Twenty-one billion, two hundred sixty-four million, nine hundred twelve thousand and thirty-two.

Scientific notation

• Scientific notation: 2.1264912032 × 10¹⁰

Factors of 21264912032

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 663

Divisors of 21264912032

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 32 52 56 91 104 112 137 151 182 208 224 274 302 353 364 416 548 604 706 728 959 1057 1096 1208 1412 1456 1781 1918 1963 2114 2192 2416 2471 2824 2912 3562 3836 3926 4228 4384 4589 4832 4942 5648 7124 7672 7852 8456 9178 9884 11296 12467 13741 14248 15344 15704 16912 18356 19768 20687 24934 27482 28496 30688 31408 32123 33824 36712 39536 41374 48361 49868 53303 54964 56992 62816 64246 73424 79072 82748 96722 99736 106606 109928 128492 144809 146848 165496 193444 199472 213212 219856 256984 268931 289618 330992 338527 373121 386888 398944 426424 439712 513968 537862 579236 628693 661984 677054 692939 746242 773776 852848 1027936 1075724 1158472 1257386 1354108 1385878 1492484 1547552 1705696 1882517 2151448 2316944 2514772 2708216 2771756 2984968 3765034 4302896 4400851 4633888 4850573 5029544 5416432 5543512 5969936 7302511 7530068 8605792 8801702 9701146 10059088 10832864 11087024 11939872 14605022 15060136 17603404 19402292 20118176 22174048 29210044 30120272 35206808 38804584 51117577 58420088 60240544 70413616 77609168 94932643 102235154 116840176 140827232 155218336 189865286 204470308 233680352 379730572 408940616 664528501 759461144 817881232 1329057002 1518922288 1635762464 2658114004 3037844576 5316228008 10632456016 21264912032
• Sum of all divisors σ(n): 52394356224
• Sum of proper divisors (its aliquot sum) s(n): 31129444192
• 21264912032 is an abundant number, because the sum of its proper divisors (31129444192) is greater than itself. Its abundance is 9864532160

Bases of 21264912032

• Binary: 10011110011011111001100111010100000₂
• Hexadecimal: 0x4F37CCEA0
• Base-36: 9ROKV4W

Squares and roots of 21264912032

• 21264912032 squared (21264912032²) is 452196483728698369024
• 21264912032 cubed (21264912032³) is 9615918447670490171157233696768
• The square root of 21264912032 is 145824.9362489145
• The cube root of 21264912032 is 2770.4768793235

Scales and comparisons

• 21,264,912,032 seconds is equal to 676 years, 8 weeks, 1 day, 16 hours, 32 seconds.
• To count from 1 to 21,264,912,032 would take you about one thousand, three hundred fifty-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 21264912032 cubic inches would be around 230.9 feet tall.

Recreational maths with 21264912032

• 21264912032 backwards is 23021946212
• 21264912032 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21264912032's digits is 32
• More coming soon!