21646669326768

Names of 21646669326768

• Cardinal: 21646669326768 can be written as Twenty-one trillion, six hundred forty-six billion, six hundred sixty-nine million, three hundred twenty-six thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 2.1646669326768 × 10¹³

Factors of 21646669326768

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 4693

Divisors of 21646669326768

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 36 43 48 54 72 86 108 129 144 172 216 258 331 344 387 432 516 662 688 774 993 1032 1093 1161 1324 1548 1986 2064 2186 2322 2648 2979 3096 3221 3279 3972 4372 4644 5296 5958 6192 6442 6558 7944 8744 8937 9288 9663 9837 11916 12884 13116 14233 15888 17488 17874 18576 19326 19674 23832 25768 26232 28466 28989 29511 35748 38652 39348 42699 46999 47664 51536 52464 56932 57978 59022 71496 77304 78696 85398 86967 93998 113864 115956 118044 128097 138503 140997 142992 154608 157392 170796 173934 187996 227728 231912 236088 256194 277006 281994 341592 347868 361783 375992 384291 415509 422991 463824 472176 512388 554012 563988 683184 695736 723566 751984 768582 831018 845982 1024776 1066151 1085349 1108024 1127976 1246527 1268973 1391472 1447132 1537164 1662036 1691964 2049552 2132302 2170698 2216048 2255952 2493054 2537946 2894264 3074328 3198453 3256047 3324072 3383928 3520553 3739581 4264604 4341396 4986108 5075892 5788528 6148656 6396906 6512094 6648144 6767856 7041106 7479162 8529208 8682792 9595359 9768141 9972216 10151784 10561659 12793812 13024188 14082212 14958324 15556669 17058416 17365584 19190718 19536282 19944432 20303568 21123318 25587624 26048376 28164424 28786077 29916648 31113338 31684977 38381436 39072564 42246636 45844493 46670007 51175248 52096752 56328848 57572154 59833296 62226676 63369954 76762872 78145128 84493272 91688986 93340014 95054931 115144308 124453352 126739908 137533479 140010021 151383779 153525744 156290256 168986544 183377972 186680028 190109862 230288616 248906704 253479816 275066958 280020042 302767558 366755944 373360056 380219724 412600437 420030063 454151337 460577232 506959632 550133916 560040084 605535116 733511888 746720112 760439448 825200874 840060126 908302674 1100267832 1120080168 1165303043 1211070232 1237801311 1362454011 1520878896 1650401748 1680120252 1816605348 2200535664 2240160336 2330606086 2422140464 2475602622 2724908022 3300803496 3360240504 3495909129 3633210696 4087362033 4661212172 4951205244 5449816044 6601606992 6720481008 6991818258 7266421392 8174724066 9322424344 9902410488 10487727387 10899632088 13983636516 16349448132 18644848688 19804820976 20975454774 21799264176 27967273032 31463182161 32698896264 41950909548 50108030849 55934546064 62926364322 65397792528 83901819096 100216061698 125852728644 150324092547 167803638192 200432123396 251705457288 300648185094 400864246792 450972277641 503410914576 601296370188 801728493584 901944555282 1202592740376 1352916832923 1803889110564 2405185480752 2705833665846 3607778221128 5411667331692 7215556442256 10823334663384 21646669326768
• Sum of all divisors σ(n): 63849176962560
• Sum of proper divisors (its aliquot sum) s(n): 42202507635792
• 21646669326768 is an abundant number, because the sum of its proper divisors (42202507635792) is greater than itself. Its abundance is 20555838309024

Bases of 21646669326768

• Binary: 100111011000000000010000010010010100110110000₂
• Hexadecimal: 0x13B0020929B0
• Base-36: 7O8CC0LO0

Squares and roots of 21646669326768

• 21646669326768 squared (21646669326768²) is 468578292942438578361325824
• 21646669326768 cubed (21646669326768³) is 10143159361026395586832951887253972856832
• The square root of 21646669326768 is 4652598.1265060923
• The cube root of 21646669326768 is 27869.5759648407

Scales and comparisons

• 21,646,669,326,768 seconds is equal to 688,297 years, 6 weeks, 4 days, 5 hours, 52 minutes, 48 seconds.
• To count from 1 to 21,646,669,326,768 would take you about one million, seven hundred twenty thousand, seven hundred forty-two 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 21646669326768 cubic inches would be around 2322.5 feet tall.

Recreational maths with 21646669326768

• 21646669326768 backwards is 86762396664612
• 21646669326768 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21646669326768's digits is 72
• More coming soon!