21285994729104

Names of 21285994729104

• Cardinal: 21285994729104 can be written as Twenty-one trillion, two hundred eighty-five billion, nine hundred ninety-four million, seven hundred twenty-nine thousand, one hundred four.

Scientific notation

• Scientific notation: 2.1285994729104 × 10¹³

Factors of 21285994729104

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 10082

Divisors of 21285994729104

• Number of divisors d(n): 630
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 42 48 49 54 56 61 63 72 81 84 98 108 112 122 126 144 147 162 168 183 189 196 216 243 244 252 294 324 336 366 378 392 427 432 441 486 488 504 549 567 588 648 729 732 756 784 854 882 972 976 1008 1098 1134 1176 1281 1296 1323 1458 1464 1512 1647 1701 1708 1764 1944 2196 2268 2352 2562 2646 2916 2928 2989 3024 3294 3402 3416 3528 3721 3843 3888 3969 4392 4536 4941 5103 5124 5292 5832 5978 6588 6804 6832 7056 7442 7686 7938 8784 8967 9072 9882 10009 10206 10248 10584 11163 11529 11664 11907 11956 13176 13608 14823 14884 15372 15876 17934 19764 20018 20412 20496 21168 22326 23058 23814 23912 26047 26352 26901 27216 29646 29768 30027 30744 31752 33489 34587 35721 35868 39528 40036 40824 44469 44652 46116 47628 47824 52094 53802 59292 59536 60054 61488 63504 66978 69174 70063 71442 71736 78141 79056 80072 80703 81648 88938 89304 90081 92232 95256 100467 103761 104188 107604 118584 120108 133956 138348 140126 142884 143472 156282 160144 161406 177876 178608 180162 182329 184464 190512 200934 207522 208376 210189 215208 234423 237168 240216 242109 267912 270243 276696 280252 285768 301401 311283 312564 322812 355752 360324 364658 401868 415044 416752 420378 430416 468846 480432 484218 490441 535824 540486 546987 553392 560504 571536 602802 610549 622566 625128 630567 645624 703269 711504 720648 726327 729316 803736 810729 830088 840756 904203 937692 968436 980882 1080972 1093974 1121008 1205604 1221098 1245132 1250256 1261134 1291248 1406538 1441296 1452654 1458632 1471323 1607472 1621458 1640961 1660176 1681512 1808406 1831647 1875384 1891701 1936872 1961764 2109807 2161944 2178981 2187948 2411208 2432187 2442196 2490264 2522268 2712609 2813076 2905308 2917264 2942646 3242916 3281922 3363024 3616812 3663294 3750768 3783402 3873744 3923528 4219614 4273843 4323888 4357962 4375896 4413969 4822416 4864374 4884392 4922883 4980528 5044536 5425218 5494941 5626152 5675103 5810616 5885292 6329421 6485832 6563844 7233624 7296561 7326588 7566804 7847056 8439228 8547686 8715924 8751792 8827938 9728748 9768784 9845766 10089072 10850436 10989882 11252304 11350206 11621232 11770584 12658842 12821529 12971664 13127688 13241907 14467248 14593122 14653176 14768649 15133608 16484823 16878456 17025309 17095372 17431848 17655876 18988263 19457496 19691532 21700872 21979764 22700412 23541168 25317684 25643058 26255376 26483814 29186244 29306352 29537298 29916901 30267216 32969646 33756912 34050618 34190744 34863696 35311752 37243489 37976526 38464587 38914992 39383064 39725721 43401744 43959528 44305947 45400824 49454469 50635368 51075927 51286116 52967628 58372488 59074596 59833802 65939292 68101236 68381488 70623504 74486978 75953052 76929174 78766128 79451442 87919056 88611894 89750703 90801648 98908938 101270736 102151854 102572232 105935256 111730467 115393761 116744976 118149192 119177163 119667604 131878584 132917841 136202472 148363407 148973956 151906104 153858348 158902884 177223788 179501406 197817876 204303708 205144464 211870512 223460934 230787522 236298384 238354326 239335208 260704423 263757168 265835682 269252109 272404944 296726814 297947912 303812208 307716696 317805768 335191401 346181283 354447576 357531489 359002812 395635752 408607416 445090221 446921868 461575044 476708652 478670416 521408846 531671364 538504218 593453628 595895824 615433392 635611536 670382802 692362566 708895152 715062978 718005624 782113269 791271504 807756327 817214832 890180442 893843736 923150088 953417304 1005574203 1038543849 1042817692 1063342728 1077008436 1186907256 1340765604 1384725132 1430125956 1436011248 1564226538 1615512654 1780360884 1787687472 1824930961 1846300176 1906834608 2011148406 2077087698 2085635384 2126685456 2154016872 2346339807 2373814512 2423268981 2681531208 2769450264 2860251912 3016722609 3115631547 3128453076 3231025308 3560721768 3649861922 4022296812 4154175396 4171270768 4308033744 4692679614 4846537962 5363062416 5474792883 5538900528 5720503824 6033445218 6231263094 6256906152 6462050616 7039019421 7121443536 7269806943 7299723844 8044593624 8308350792 9050167827 9385359228 9693075924 10949585766 12066890436 12462526188 12513812304 12924101232 14078038842 14539613886 14599447688 16089187248 16424378649 16616701584 18100335654 18770718456 19386151848 21117058263 21809420829 21899171532 24133780872 24925052376 27150503481 28156077684 29079227772 29198895376 32848757298 36200671308 37541436912 38772303696 42234116526 43618841658 43798343064 48267561744 49273135947 49850104752 54301006962 56312155368 58158455544 63351174789 65697514596 72401342616 84468233052 87237683316 87596686128 98546271894 108602013924 112624310736 116316911088 126702349578 131395029192 144802685232 147819407841 168936466104 174475366632 190053524367 197092543788 217204027848 253404699156 262790058384 295638815682 337872932208 348950733264 380107048734 394185087576 434408055696 443458223523 506809398312 591277631364 760214097468 788370175152 886916447046 1013618796624 1182555262728 1330374670569 1520428194936 1773832894092 2365110525456 2660749341138 3040856389872 3547665788184 5321498682276 7095331576368 10642997364552 21285994729104
• Sum of all divisors σ(n): 73135313981730
• Sum of proper divisors (its aliquot sum) s(n): 51849319252626
• 21285994729104 is an abundant number, because the sum of its proper divisors (51849319252626) is greater than itself. Its abundance is 30563324523522

Bases of 21285994729104

• Binary: 100110101110000001000001001111000111010010000₂
• Hexadecimal: 0x135C08278E90
• Base-36: 7JMNFO900

Squares and roots of 21285994729104

• 21285994729104 squared (21285994729104²) is 453093571607443270344642816
• 21285994729104 cubed (21285994729104³) is 9644547377026943241169763094879559716864
• The square root of 21285994729104 is 4613674.7532854979
• The cube root of 21285994729104 is 27713.9215597793

Scales and comparisons

• 21,285,994,729,104 seconds is equal to 676,828 years, 41 weeks, 17 hours, 38 minutes, 24 seconds.
• To count from 1 to 21,285,994,729,104 would take you about one million, six hundred ninety-two thousand and seventy-one 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 21285994729104 cubic inches would be around 2309.5 feet tall.

Recreational maths with 21285994729104

• 21285994729104 backwards is 40192749958212
• 21285994729104 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21285994729104's digits is 63
• More coming soon!