21818094644916

Names of 21818094644916

• Cardinal: 21818094644916 can be written as Twenty-one trillion, eight hundred eighteen billion, ninety-four million, six hundred forty-four thousand, nine hundred sixteen.

Scientific notation

• Scientific notation: 2.1818094644916 × 10¹³

Factors of 21818094644916

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 393

Divisors of 21818094644916

• Number of divisors d(n): 324
• Complete list of divisors:
  1 2 3 4 6 9 12 18 29 36 41 58 82 87 107 116 123 164 174 211 214 246 261 321 348 369 422 428 492 522 633 642 738 844 963 1044 1189 1266 1284 1476 1899 1926 2378 2532 3103 3567 3798 3852 4387 4756 6119 6206 7134 7596 8651 8774 9309 10701 11449 12238 12412 13161 14268 17302 17548 18357 18618 21402 22577 22898 24476 25953 26322 27927 34347 34604 36714 37236 39483 42804 44521 45154 45796 51906 52644 55071 55854 67731 68694 73428 77859 78966 89042 90308 103041 103812 110142 111708 127223 133563 135462 137388 155718 157932 178084 203193 206082 220284 250879 254446 267126 270924 311436 332021 381669 400689 406386 412164 469409 501758 508892 534252 654733 664042 752637 763338 801378 812772 925657 938818 996063 1003516 1145007 1291109 1309466 1328084 1408227 1505274 1526676 1602756 1825361 1851314 1877636 1964199 1992126 2257911 2290014 2415739 2582218 2618932 2776971 2816454 2988189 3010548 3650722 3702628 3873327 3928398 3984252 4224681 4515822 4580028 4763747 4831478 5164436 5476083 5553942 5632908 5892597 5976378 7247217 7301444 7746654 7856796 8330913 8449362 9031644 9527494 9662956 10952166 11107884 11619981 11785194 11952756 13612861 14291241 14494434 15493308 16428249 16661826 16898724 19054988 21741651 21904332 23239962 23570388 26844053 27225722 28582482 28988868 32856498 33323652 40838583 42873723 43483302 46479924 52935469 53688106 54451444 57164964 65712996 70056431 80532159 81677166 85747446 86966604 99045299 105870938 107376212 122515749 138148663 140112862 158806407 161064318 163354332 171494892 195313627 198090598 210169293 211741876 241596477 245031498 276297326 280225724 297135897 317612814 322128636 390627254 396181196 414445989 420338586 476419221 483192954 490062996 509720929 552594652 585940881 594271794 630507879 635225628 781254508 828891978 840677172 891407691 952838442 966385908 1019441858 1171881762 1188543588 1243337967 1261015758 1529162787 1657783956 1757822643 1782815382 1905676884 2038883716 2343763524 2486675934 2522031516 2872313671 3058325574 3515645286 3565630764 4587488361 4973351868 5664095183 5744627342 6116651148 7031290572 8616941013 9174976722 11328190366 11489254684 14781906941 16992285549 17233882026 18349953444 20898558089 22656380732 25850823039 29563813882 33984571098 34467764052 41797116178 44345720823 50976856647 51701646078 59127627764 62695674267 67969142196 83594232356 88691441646 101953713294 103403292156 125391348534 133037162469 177382883292 188087022801 203907426588 250782697068 266074324938 376174045602 532148649876 606058184581 752348091204 1212116369162 1818174553743 2424232738324 3636349107486 5454523661229 7272698214972 10909047322458 21818094644916
• Sum of all divisors σ(n): 59276844359460
• Sum of proper divisors (its aliquot sum) s(n): 37458749714544
• 21818094644916 is an abundant number, because the sum of its proper divisors (37458749714544) is greater than itself. Its abundance is 15640655069628

Bases of 21818094644916

• Binary: 100111101011111101011110001111110111010110100₂
• Hexadecimal: 0x13D7EBC7EEB4
• Base-36: 7QF3E83P0

Squares and roots of 21818094644916

• 21818094644916 squared (21818094644916²) is 476029253934512236124647056
• 21818094644916 cubed (21818094644916³) is 10386051316091940142347638457194144767296
• The square root of 21818094644916 is 4670984.3336191997
• The cube root of 21818094644916 is 27942.9512959161

Scales and comparisons

• 21,818,094,644,916 seconds is equal to 693,747 years, 47 weeks, 6 days, 13 hours, 48 minutes, 36 seconds.
• To count from 1 to 21,818,094,644,916 would take you about one million, seven hundred thirty-four thousand, three hundred sixty-nine 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 21818094644916 cubic inches would be around 2328.6 feet tall.

Recreational maths with 21818094644916

• 21818094644916 backwards is 61944649081812
• The number of decimal digits it has is: 14
• The sum of 21818094644916's digits is 63
• More coming soon!