21159309080

Names of 21159309080

• Cardinal: 21159309080 can be written as Twenty-one billion, one hundred fifty-nine million, three hundred nine thousand and eighty.

Scientific notation

• Scientific notation: 2.115930908 × 10¹⁰

Factors of 21159309080

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 14934

Divisors of 21159309080

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 17 20 23 26 28 34 35 40 46 52 56 65 68 70 85 91 92 104 115 119 130 136 140 161 170 182 184 221 230 238 260 280 299 322 340 364 391 442 455 460 476 520 595 598 644 680 728 782 805 884 910 920 952 1105 1190 1196 1288 1495 1547 1564 1610 1768 1820 1955 2093 2210 2380 2392 2737 2990 3094 3128 3220 3640 3910 4186 4420 4760 5083 5474 5980 6188 6440 7735 7820 8372 8840 10166 10465 10948 11960 12376 13685 14867 15470 15640 16744 20332 20930 21896 25415 27370 29734 30940 35581 40664 41860 50830 54740 59468 61880 71162 74335 83720 101660 104069 109480 118936 142324 148670 177905 193271 203320 208138 252739 284648 297340 341941 355810 386542 416276 505478 520345 594680 683882 711620 773084 832552 966355 1010956 1040690 1263695 1352897 1367764 1423240 1546168 1709705 1769173 1932710 2021912 2081380 2393587 2527390 2705794 2735528 3285607 3419410 3538346 3865420 4162760 4445233 4787174 5054780 5411588 5812997 6571214 6764485 6838820 7076692 7730840 8845865 8890466 9574348 10109560 10823176 11625994 11967935 13142428 13528970 13677640 14153384 16428035 17691730 17780932 19148696 22226165 22999249 23251988 23935870 26284856 27057940 29064985 31116631 32856070 35383460 35561864 40690979 44452330 45998498 46503976 47871740 54115880 58129970 62233262 65712140 70766920 75568961 81381958 88904660 91996996 95743480 114996245 116259940 124466524 131424280 151137922 155583155 162763916 177809320 183993992 203454895 229992490 232519880 248933048 302275844 311166310 325527832 377844805 406909790 459984980 528982727 604551688 622332620 755689610 813819580 919969960 1057965454 1244665240 1511379220 1627639160 2115930908 2644913635 3022758440 4231861816 5289827270 10579654540 21159309080
• Sum of all divisors σ(n): 64743598080
• Sum of proper divisors (its aliquot sum) s(n): 43584289000
• 21159309080 is an abundant number, because the sum of its proper divisors (43584289000) is greater than itself. Its abundance is 22424979920

Bases of 21159309080

• Binary: 10011101101001100010110111100011000₂
• Hexadecimal: 0x4ED316F18
• Base-36: 9PXPFDK

Squares and roots of 21159309080

• 21159309080 squared (21159309080²) is 447716360742970446400
• 21159309080 cubed (21159309080³) is 9473368857133290112683173312000
• The square root of 21159309080 is 145462.3974778361
• The cube root of 21159309080 is 2765.8831431687

Scales and comparisons

• 21,159,309,080 seconds is equal to 672 years, 41 weeks, 4 days, 9 hours, 51 minutes, 20 seconds.
• To count from 1 to 21,159,309,080 would take you about one thousand, three hundred forty-five 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 21159309080 cubic inches would be around 230.5 feet tall.

Recreational maths with 21159309080

• 21159309080 backwards is 08090395112
• The number of decimal digits it has is: 11
• The sum of 21159309080's digits is 38
• More coming soon!