21688331264208

Names of 21688331264208

• Cardinal: 21688331264208 can be written as Twenty-one trillion, six hundred eighty-eight billion, three hundred thirty-one million, two hundred sixty-four thousand, two hundred eight.

Scientific notation

• Scientific notation: 2.1688331264208 × 10¹³

Factors of 21688331264208

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 5792

Divisors of 21688331264208

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 31 36 42 48 49 54 56 62 63 72 84 93 98 108 112 124 126 144 147 168 186 189 196 216 217 248 252 279 294 336 372 378 392 432 434 441 496 504 558 588 651 744 756 784 837 868 882 1008 1116 1176 1302 1323 1488 1512 1519 1674 1736 1764 1953 2232 2352 2604 2646 3024 3038 3348 3472 3528 3906 4464 4557 5208 5292 5749 5859 6076 6696 7056 7812 9114 10416 10584 11498 11718 12152 13392 13671 15624 17247 18228 21168 22996 23436 24304 27342 31248 34494 36456 40243 41013 45992 46872 51741 54684 68988 72912 80486 82026 91984 93744 103482 109368 120729 137976 155223 160972 164052 178219 206964 218736 241458 275952 281701 310446 321944 328104 356438 362187 413928 482916 534657 563402 620892 643888 656208 712876 724374 827856 845103 965832 1069314 1086561 1126804 1241784 1247533 1425752 1448748 1603971 1690206 1931664 2138628 2173122 2253608 2483568 2495066 2535309 2851504 2897496 3207942 3380412 3742599 4277256 4346244 4507216 4811913 4990132 5070618 5794992 6415884 6760824 7485198 7605927 8554512 8692488 8732731 9623826 9980264 10141236 11227797 12831768 13521648 14970396 15211854 17384976 17465462 19247652 19960528 20282472 22455594 25663536 26198193 29940792 30423708 33051001 33683391 34930924 38495304 40564944 44911188 52396386 59881584 60847416 66102002 67366782 69861848 76990608 78594579 89822376 99153003 104792772 121694832 132204004 134733564 139723696 157189158 179644752 198306006 209585544 231357007 235783737 264408008 269467128 297459009 314378316 396612012 419171088 462714014 471567474 528816016 538934256 594918018 628756632 694071021 793224024 892377027 925428028 943134948 1024581031 1189836036 1257513264 1388142042 1586448048 1619499049 1784754054 1850856056 1886269896 2049162062 2082213063 2379672072 2776284084 3073743093 3238998098 3569508108 3701712112 3772539792 4098324124 4164426126 4759344144 4858497147 5552568168 6147486186 6246639189 6477996196 7139016216 7172067217 8196648248 8328852252 9221229279 9716994294 11105136336 12294972372 12493278378 12955992392 14278032432 14344134434 14575491441 16393296496 16657704504 18442458558 19433988588 21516201651 24589944744 24986556756 25911984784 27663687837 28688268868 29150982882 33315409008 36884917116 38867977176 43032403302 43726474323 49179889488 49973113512 50204470519 55327375674 57376537736 58301965764 64548604953 73769834232 77735954352 86064806604 87452948646 99946227024 100408941038 110654751348 114753075472 116603931528 129097209906 147539668464 150613411557 172129613208 174905897292 193645814859 200817882076 221309502696 233207863056 258194419812 301226823114 344259226416 349811794584 387291629718 401635764152 442619005392 451840234671 516388839624 602453646228 699623589168 774583259436 803271528304 903680469342 1032777679248 1204907292456 1355520704013 1549166518872 1807360938684 2409814584912 2711041408026 3098333037744 3614721877368 5422082816052 7229443754736 10844165632104 21688331264208
• Sum of all divisors σ(n): 74766437141760
• Sum of proper divisors (its aliquot sum) s(n): 53078105877552
• 21688331264208 is an abundant number, because the sum of its proper divisors (53078105877552) is greater than itself. Its abundance is 31389774613344

Bases of 21688331264208

• Binary: 100111011100110110101010001111110000011010000₂
• Hexadecimal: 0x13B9B547E0D0
• Base-36: 7ORHCGIC0

Squares and roots of 21688331264208

• 21688331264208 squared (21688331264208²) is 470383713026022183501867264
• 21688331264208 cubed (21688331264208³) is 10201837789396520780310505398357730086912
• The square root of 21688331264208 is 4657073.2508956739
• The cube root of 21688331264208 is 27887.4440936511

Scales and comparisons

• 21,688,331,264,208 seconds is equal to 689,621 years, 44 weeks, 14 hours, 16 minutes, 48 seconds.
• To count from 1 to 21,688,331,264,208 would take you about one million, seven hundred twenty-four thousand and fifty-four 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 21688331264208 cubic inches would be around 2324 feet tall.

Recreational maths with 21688331264208

• 21688331264208 backwards is 80246213388612
• 21688331264208 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21688331264208's digits is 54
• More coming soon!