21104837573608768

Names of 21104837573608768

• Cardinal: 21104837573608768 can be written as Twenty-one quadrillion, one hundred four trillion, eight hundred thirty-seven billion, five hundred seventy-three million, six hundred eight thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 2.1104837573608768 × 10¹⁶

Factors of 21104837573608768

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 8904

Divisors of 21104837573608768

• Number of divisors d(n): 252
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 56 64 67 112 134 139 224 268 278 448 469 536 556 938 973 1072 1112 1876 1946 2144 2224 3752 3892 4288 4448 4489 7504 7784 8689 8896 8978 9313 15008 15568 17378 17956 18626 30016 31136 31423 34756 35912 37252 60823 62272 62846 65191 69512 71824 74504 121646 125692 130382 139024 143648 149008 243292 251384 260764 278048 287296 298016 486584 502768 521528 556096 582163 596032 623971 973168 1005536 1043056 1164326 1207771 1247942 1946336 2011072 2086112 2328652 2415542 2495884 3892672 4075141 4172224 4367797 4657304 4831084 4991768 8150282 8454397 8735594 9314608 9662168 9983536 16300564 16908794 17471188 18629216 19324336 19967072 32601128 33817588 34942376 37258432 38648672 39004921 39934144 65202256 67635176 69884752 75498721 77297344 78009842 80920657 130404512 135270352 139769504 150997442 156019684 161841314 260809024 270540704 273034447 279539008 301994884 312039368 323682628 528491047 541081408 546068894 566444599 603989768 624078736 647365256 1056982094 1092137788 1132889198 1207979536 1248157472 1294730512 2113964188 2184275576 2265778396 2415959072 2496314944 2589461024 4227928376 4368551152 4531556792 4831918144 5058414307 5178922048 5421684019 8455856752 8737102304 9063113584 10116828614 10494322219 10843368038 16911713504 17474204608 18126227168 20233657228 20988644438 21686736076 33823427008 35408900149 36252454336 37951788133 40467314456 41977288876 43373472152 70817800298 73460255533 75903576266 80934628912 83954577752 86746944304 141635600596 146920511066 151807152532 161869257824 167909155504 173493888608 283271201192 293841022132 303614305064 323738515648 335818311008 338913758569 346987777216 566542402384 587682044264 607228610128 671636622016 677827517138 703119588673 1133084804768 1175364088528 1214457220256 1355655034276 1406239177346 2266169609536 2350728177056 2372396309983 2428914440512 2711310068552 2812478354692 4701456354112 4744792619966 4921837120711 5422620137104 5624956709384 9489585239932 9843674241422 10845240274208 11249913418768 18979170479864 19687348482844 21690480548416 22499826837536 37958340959728 39374696965688 44999653675072 47109012441091 75916681919456 78749393931376 94218024882182 151833363838912 157498787862752 188436049764364 314997575725504 329763087087637 376872099528728 659526174175274 753744199057456 1319052348350548 1507488398114912 2638104696701096 3014976796229824 5276209393402192 10552418786804384 21104837573608768
• Sum of all divisors σ(n): 48942973558896480
• Sum of proper divisors (its aliquot sum) s(n): 27838135985287712
• 21104837573608768 is an abundant number, because the sum of its proper divisors (27838135985287712) is greater than itself. Its abundance is 6733298411678944

Bases of 21104837573608768

• Binary: 1001010111110101011110011101010100111100000010101000000₂
• Hexadecimal: 0x4AFABCEA9E0540
• Base-36: 5RT1GJ8KGN4

Squares and roots of 21104837573608768

• 21104837573608768 squared (21104837573608768²) is 445414169008408429848650726477824
• 21104837573608768 cubed (21104837573608768³) is 9400393689906384276038649338545029311937603960832
• The square root of 21104837573608768 is 145275041.1240993869
• The cube root of 21104837573608768 is 276350.7651425235

Scales and comparisons

• 21,104,837,573,608,768 seconds is equal to 671,068,553 years, 15 weeks, 1 day, 5 hours, 59 minutes, 28 seconds.
• To count from 1 to 21,104,837,573,608,768 would take you about two billion, thirteen million, two hundred five thousand, six hundred fifty-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 21104837573608768 cubic inches would be around 23029.2 feet tall.

Recreational maths with 21104837573608768

• 21104837573608768 backwards is 86780637573840112
• The number of decimal digits it has is: 17
• The sum of 21104837573608768's digits is 76
• More coming soon!