21384766754208

Names of 21384766754208

• Cardinal: 21384766754208 can be written as Twenty-one trillion, three hundred eighty-four billion, seven hundred sixty-six million, seven hundred fifty-four thousand, two hundred eight.

Scientific notation

• Scientific notation: 2.1384766754208 × 10¹³

Factors of 21384766754208

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 29575

Divisors of 21384766754208

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 13 16 18 22 24 26 27 32 33 36 39 44 48 52 54 66 72 78 88 96 99 104 108 117 132 143 144 156 176 198 208 216 234 264 286 288 297 312 351 352 396 416 429 432 468 528 572 594 624 702 792 858 864 936 1056 1144 1188 1248 1287 1404 1584 1716 1872 2288 2376 2574 2808 3168 3432 3744 3861 4576 4752 5148 5616 6864 7722 8053 9504 10296 11232 13728 15444 16106 20592 21493 24159 30888 32212 41184 42986 48318 61776 64424 64479 72477 85972 88583 96636 104689 123552 128848 128958 144954 171944 177166 193272 193437 209378 217431 236423 257696 257916 265749 279409 289908 314067 343888 354332 386544 386874 418756 434862 472846 515832 531498 558818 579816 580311 628134 687776 708664 709269 773088 773748 797247 837512 838227 869724 942201 945692 1031664 1062996 1117636 1151579 1159632 1160622 1256268 1417328 1418538 1547496 1594494 1675024 1676454 1739448 1884402 1891384 2063328 2125992 2127807 2235272 2303158 2319264 2321244 2391741 2512536 2514681 2826603 2834656 2837076 3073499 3094992 3188988 3350048 3352908 3454737 3478896 3768804 3782768 4251984 4255614 4470544 4606316 4642488 4783482 5025072 5029362 5653206 5674152 6146998 6189984 6377976 6383421 6705816 6909474 6957792 7537608 7544043 7565536 8503968 8511228 8941088 9212632 9220497 9284976 9566964 10050144 10058724 10364211 11306412 11348304 12293996 12755952 12766842 13411632 13818948 15075216 15088086 17022456 18425264 18440994 18569952 19133928 20117448 20728422 22612824 22696608 24587992 25511904 25533684 26823264 27637896 27661491 30150432 30176172 31092633 34044912 36850528 36881988 38267856 40234896 41456844 45225648 49175984 51067368 55275792 55322982 60352344 62185266 68089824 73763976 76535712 80469792 82913688 82984473 90451296 98351968 102134736 110551584 110645964 120704688 124370532 147527952 165827376 165968946 173083129 204269472 221291928 241409376 248741064 295055904 331654752 331937892 346166258 442583856 497482128 519249387 663875784 692332516 885167712 994964256 1038498774 1327751568 1384665032 1557748161 1903914419 2076997548 2250080677 2655503136 2769330064 3115496322 3807828838 4153995096 4500161354 4673244483 5538660128 5711743257 6230992644 6750242031 7615657676 8307990192 9000322708 9346488966 11423486514 12461985288 13500484062 15231315352 16615980384 17135229771 18000645416 18692977932 20250726093 22846973028 24750887447 24923970576 27000968124 30462630704 34270459542 36001290832 37385955864 40501452186 45693946056 49501774894 49847941152 51405689313 54001936248 60752178279 60925261408 68540919084 72002581664 74252662341 74771911728 81002904372 91387892112 99003549788 102811378626 108003872496 121504356558 137081838168 148505324682 149543823456 162005808744 182775784224 198007099576 205622757252 216007744992 222757987023 243008713116 274163676336 297010649364 324011617488 396014199152 411245514504 445515974046 486017426232 548327352672 594021298728 648023234976 668273961069 792028398304 822491029008 891031948092 972034852464 1188042597456 1336547922138 1644982058016 1782063896184 1944069704928 2376085194912 2673095844276 3564127792368 5346191688552 7128255584736 10692383377104 21384766754208
• Sum of all divisors σ(n): 73288982511360
• Sum of proper divisors (its aliquot sum) s(n): 51904215757152
• 21384766754208 is an abundant number, because the sum of its proper divisors (51904215757152) is greater than itself. Its abundance is 30519449002944

Bases of 21384766754208

• Binary: 100110111001100000111011011010000110110100000₂
• Hexadecimal: 0x1373076D0DA0
• Base-36: 7KW0XZJC0

Squares and roots of 21384766754208

• 21384766754208 squared (21384766754208²) is 457308249131879759485707264
• 21384766754208 cubed (21384766754208³) is 9779430242460491757994899827336528166912
• The square root of 21384766754208 is 4624366.6327625881
• The cube root of 21384766754208 is 27756.7217996175

Scales and comparisons

• 21,384,766,754,208 seconds is equal to 679,969 years, 22 weeks, 4 days, 11 hours, 16 minutes, 48 seconds.
• To count from 1 to 21,384,766,754,208 would take you about one million, six hundred ninety-nine thousand, nine hundred twenty-three 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 21384766754208 cubic inches would be around 2313.1 feet tall.

Recreational maths with 21384766754208

• 21384766754208 backwards is 80245766748312
• The number of decimal digits it has is: 14
• The sum of 21384766754208's digits is 63
• More coming soon!