21831731193747824

Names of 21831731193747824

• Cardinal: 21831731193747824 can be written as Twenty-one quadrillion, eight hundred thirty-one trillion, seven hundred thirty-one billion, one hundred ninety-three million, seven hundred forty-seven thousand, eight hundred twenty-four.

Scientific notation

• Scientific notation: 2.1831731193747824 × 10¹⁶

Factors of 21831731193747824

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 47538

Divisors of 21831731193747824

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 4 8 16 31 43 53 62 86 106 124 172 212 229 248 344 424 458 496 688 848 916 1333 1643 1832 1861 2279 2666 3286 3664 3722 4558 5332 6572 7099 7444 9116 9847 10664 12137 13144 14198 14888 18232 19694 21328 24274 26288 28396 29776 36464 39388 45319 48548 56792 57691 70649 78776 80023 90638 97096 98633 113584 115382 141298 157552 160046 181276 194192 197266 230764 282596 305257 320092 362552 376247 394532 426169 461528 521891 565192 610514 640184 725104 752494 789064 852338 923056 1043782 1130384 1221028 1280368 1404889 1504988 1578128 1704676 1948717 2087564 2401907 2442056 2480713 2809778 3009976 3057623 3409352 3897434 4175128 4241219 4803814 4884112 4961426 5619556 6019952 6115246 6818704 7794868 8350256 8482438 9607628 9922852 10378051 11239112 12230492 13211239 15589736 16178621 16964876 18325267 19215256 19845704 20756102 22478224 22586957 24460984 26422478 31179472 32357242 33929752 36650534 38430512 39691408 41512204 45173914 48921968 52844956 60410227 64714484 67859504 73301068 74459117 83024408 84338659 90347828 103282001 105689912 120820454 129428968 131477789 146602136 148918234 166048816 168677318 180695656 206564002 211379824 241640908 258857936 262955578 293204272 297836468 321719581 337354636 361391312 413128004 446256193 483281816 525911156 550036703 568083277 595672936 643439162 674709272 700195667 826256008 892512386 966563632 971239151 1051822312 1100073406 1136166554 1191345872 1286878324 1349418544 1400391334 1652512016 1785024772 1942478302 2103644624 2200146812 2272333108 2573756648 2614498429 2800782668 3201742031 3570049544 3626562337 3884956604 4400293624 4469948927 4544666216 5147513296 5228996858 5601565336 6403484062 7140099088 7253124674 7769913208 8800587248 8939897854 9089332432 10457993716 11203130672 12806968124 13833941983 14506249348 15539826416 17051137793 17879795708 19313552911 20915987432 23651578229 25613936248 27667883966 29012498696 30108413681 34102275586 35759591416 38627105822 41831974864 47303156458 51227872496 55335767932 58024997392 60216827362 68204551172 71519182832 77254211644 94606312916 110671535864 112423432447 120433654724 136409102344 138568416737 154508423288 189212625832 192207803861 221343071728 224846864894 240867309448 272818204688 277136833474 309016846576 378425251664 384415607722 449693729788 481734618896 554273666948 598720140241 733198925099 768831215444 830482775173 899387459576 1023618304283 1108547333896 1197440280482 1466397850198 1537662430888 1660965550346 1798774919152 2047236608566 2217094667792 2394880560964 2932795700396 3075324861776 3321931100692 4094473217132 4789761121928 5865591400792 5958441919691 6643862201384 8188946434264 9579522243856 11731182801584 11916883839382 13287724402768 16377892868528 23833767678764 25744966030363 31732167432773 44015587084169 47667535357528 51489932060726 63464334865546 88031174168338 95335070715056 102979864121452 126928669731092 176062348336676 205959728242904 253857339462184 352124696673352 411919456485808 507714678924368 704249393346704 1364483199609239 2728966399218478 5457932798436956 10915865596873912 21831731193747824
• Sum of all divisors σ(n): 45746252452454400
• Sum of proper divisors (its aliquot sum) s(n): 23914521258706576
• 21831731193747824 is an abundant number, because the sum of its proper divisors (23914521258706576) is greater than itself. Its abundance is 2082790064958752

Bases of 21831731193747824

• Binary: 1001101100011111101100000000110101000101001100101110000₂
• Hexadecimal: 0x4D8FD806A29970
• Base-36: 5YYPAUQ5U28

Squares and roots of 21831731193747824

• 21831731193747824 squared (21831731193747824²) is 476624486916061788344907304734976
• 21831731193747824 cubed (21831731193747824³) is 10405537678709437747628393638283374097562496692224
• The square root of 21831731193747824 is 147755646.9098485047
• The cube root of 21831731193747824 is 279487.7163400007

Scales and comparisons

• 21,831,731,193,747,824 seconds is equal to 694,181,521 years, 51 weeks, 17 hours, 3 minutes, 44 seconds.
• To count from 1 to 21,831,731,193,747,824 would take you about two billion, eighty-two million, five hundred forty-four thousand, five hundred sixty-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 21831731193747824 cubic inches would be around 23290.6 feet tall.

Recreational maths with 21831731193747824

• 21831731193747824 backwards is 42874739113713812
• The number of decimal digits it has is: 17
• The sum of 21831731193747824's digits is 71
• More coming soon!