21159159616

Names of 21159159616

• Cardinal: 21159159616 can be written as Twenty-one billion, one hundred fifty-nine million, one hundred fifty-nine thousand, six hundred sixteen.

Scientific notation

• Scientific notation: 2.1159159616 × 10¹⁰

Factors of 21159159616

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 116

Divisors of 21159159616

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 4 7 8 14 16 17 28 31 32 34 49 56 59 62 64 68 98 112 118 119 124 136 196 217 224 236 238 248 272 343 392 413 434 448 472 476 496 527 544 686 784 826 833 868 944 952 961 992 1003 1054 1088 1372 1519 1568 1652 1666 1736 1829 1888 1904 1922 1984 2006 2108 2744 2891 3038 3136 3304 3332 3472 3658 3689 3776 3808 3844 4012 4216 5488 5782 5831 6076 6608 6664 6727 6944 7021 7316 7378 7616 7688 8024 8432 10633 10976 11564 11662 12152 12803 13216 13328 13454 13888 14042 14632 14756 15376 16048 16337 16864 20237 21266 21952 23128 23324 24304 25606 25823 26432 26656 26908 28084 29264 29512 30752 31093 32096 32674 33728 40474 42532 46256 46648 47089 48608 49147 51212 51646 53312 53816 56168 56699 58528 59024 61504 62186 64192 65348 80948 85064 89621 92512 93296 94178 97216 98294 102424 103292 107632 112336 113398 114359 117056 118048 124372 130696 161896 170128 179242 180761 185024 186592 188356 196588 204848 206584 215264 217651 224672 226796 228718 236096 248744 261392 323792 329623 340256 344029 358484 361522 373184 376712 393176 396893 409696 413168 430528 435302 449344 453592 457436 497488 522784 627347 647584 659246 680512 688058 716968 723044 753424 786352 793786 800513 819392 826336 870604 907184 914872 963883 994976 1045568 1254694 1295168 1318492 1376116 1433936 1446088 1506848 1523557 1572704 1587572 1601026 1652672 1741208 1814368 1829744 1927766 1989952 2509388 2636984 2752232 2778251 2867872 2892176 3013696 3047114 3145408 3175144 3202052 3482416 3628736 3659488 3855532 5018776 5273968 5504464 5556502 5603591 5735744 5784352 6094228 6350288 6404104 6747181 6964832 7318976 7711064 10037552 10547936 10664899 11008928 11113004 11207182 11568704 12188456 12700576 12808208 13494362 13929664 15422128 19447757 20075104 21095872 21329798 22017856 22226008 22414364 24376912 25401152 25616416 26988724 30844256 38895514 40150208 42659596 44452016 44828728 47230267 48753824 51232832 53977448 61688512 77791028 85319192 88904032 89657456 94460534 97507648 107954896 155582056 170638384 177808064 179314912 188921068 215909792 311164112 330611869 341276768 358629824 377842136 431819584 622328224 661223738 682553536 755684272 1244656448 1322447476 1511368544 2644894952 3022737088 5289789904 10579579808 21159159616
• Sum of all divisors σ(n): 54479952000
• Sum of proper divisors (its aliquot sum) s(n): 33320792384
• 21159159616 is an abundant number, because the sum of its proper divisors (33320792384) is greater than itself. Its abundance is 12161632768

Bases of 21159159616

• Binary: 10011101101001011110010011101000000₂
• Hexadecimal: 0x4ED2F2740
• Base-36: 9PXM81S

Squares and roots of 21159159616

• 21159159616 squared (21159159616²) is 447710035655365267456
• 21159159616 cubed (21159159616³) is 9473168106116924860884034256896
• The square root of 21159159616 is 145461.8837221627
• The cube root of 21159159616 is 2765.8766306539

Scales and comparisons

• 21,159,159,616 seconds is equal to 672 years, 41 weeks, 2 days, 16 hours, 20 minutes, 16 seconds.
• To count from 1 to 21,159,159,616 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 21159159616 cubic inches would be around 230.5 feet tall.

Recreational maths with 21159159616

• 21159159616 backwards is 61695195112
• The number of decimal digits it has is: 11
• The sum of 21159159616's digits is 46
• More coming soon!