21813731016

Names of 21813731016

• Cardinal: 21813731016 can be written as Twenty-one billion, eight hundred thirteen million, seven hundred thirty-one thousand and sixteen.

Scientific notation

• Scientific notation: 2.1813731016 × 10¹⁰

Factors of 21813731016

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 674

Divisors of 21813731016

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 8 11 12 14 17 21 22 24 28 33 34 42 44 49 51 56 66 68 77 84 88 98 102 119 132 136 147 154 168 187 196 204 231 238 264 281 294 308 353 357 374 392 408 462 476 539 561 562 588 616 706 714 748 833 843 924 952 1059 1078 1122 1124 1176 1309 1412 1428 1496 1617 1666 1686 1848 1967 2118 2156 2244 2248 2471 2499 2618 2824 2856 3091 3234 3332 3372 3883 3927 3934 4236 4312 4488 4777 4942 4998 5236 5901 6001 6182 6468 6664 6744 7413 7766 7854 7868 8472 9163 9273 9554 9884 9996 10472 11649 11802 12002 12364 12936 13769 14331 14826 15532 15708 15736 17297 18003 18326 18546 19108 19768 19992 21637 23298 23604 24004 24728 27181 27489 27538 28662 29652 31064 31416 33439 34594 36006 36652 37092 38216 41307 42007 43274 46596 47208 48008 51891 52547 54362 54978 55076 57324 59304 64911 66011 66878 69188 72012 73304 74184 81543 82614 84014 86548 93192 99193 100317 103782 105094 108724 109956 110152 114648 126021 129822 132022 133756 138376 144024 151459 157641 163086 165228 168028 173096 190267 198033 198386 200634 207564 210188 217448 219912 234073 252042 259644 264044 267512 294049 297579 302918 315282 326172 330456 336056 367829 380534 396066 396772 401268 415128 420376 454377 462077 468146 504084 519288 528088 570801 588098 595158 605836 630564 652344 694351 702219 735658 761068 792132 793544 802536 882147 908754 924154 936292 1008168 1091123 1103487 1141602 1176196 1190316 1211672 1261128 1386231 1388702 1404438 1471316 1522136 1584264 1686281 1764294 1817508 1848308 1872584 2083053 2182246 2206974 2283204 2352392 2380632 2574803 2772462 2777404 2808876 2942632 3234539 3273369 3372562 3528588 3635016 3696616 4166106 4364492 4413948 4566408 4860457 5058843 5149606 5544924 5554808 5617752 6469078 6546738 6745124 7057176 7637861 7724409 8332212 8728984 8827896 9703617 9720914 10117686 10299212 11089848 11803967 12938156 13093476 13490248 14581371 15275722 15448818 16664424 18549091 19407234 19441828 20235372 20598424 22913583 23607934 25876312 26186952 29162742 30551444 30897636 35411901 37098182 38814468 38883656 40470744 45827166 47215868 53465027 55647273 58325484 61102888 61795272 70823802 74196364 77628936 82627769 91654332 94431736 106930054 111294546 116650968 129843637 141647604 148392728 160395081 165255538 183308664 213860108 222589092 247883307 259687274 283295208 320790162 330511076 389530911 427720216 445178184 495766614 519374548 641580324 661022152 779061822 908905459 991533228 1038749096 1283160648 1558123644 1817810918 1983066456 2726716377 3116247288 3635621836 5453432754 7271243672 10906865508 21813731016
• Sum of all divisors σ(n): 73744940160
• Sum of proper divisors (its aliquot sum) s(n): 51931209144
• 21813731016 is an abundant number, because the sum of its proper divisors (51931209144) is greater than itself. Its abundance is 30117478128

Bases of 21813731016

• Binary: 10100010100001100110001111011001000₂
• Hexadecimal: 0x514331EC8
• Base-36: A0RBYKO

Squares and roots of 21813731016

• 21813731016 squared (21813731016²) is 475838860838400392256
• 21813731016 cubed (21813731016³) is 10379820917288722400381273412096
• The square root of 21813731016 is 147694.7223701647
• The cube root of 21813731016 is 2794.1088304027

Scales and comparisons

• 21,813,731,016 seconds is equal to 693 years, 31 weeks, 4 days, 17 hours, 43 minutes, 36 seconds.
• To count from 1 to 21,813,731,016 would take you about one thousand, three hundred eighty-seven 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 21813731016 cubic inches would be around 232.8 feet tall.

Recreational maths with 21813731016

• 21813731016 backwards is 61013731812
• 21813731016 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21813731016's digits is 33
• More coming soon!