21406132993521408

Names of 21406132993521408

• Cardinal: 21406132993521408 can be written as Twenty-one quadrillion, four hundred six trillion, one hundred thirty-two billion, nine hundred ninety-three million, five hundred twenty-one thousand, four hundred eight.

Scientific notation

• Scientific notation: 2.1406132993521408 × 10¹⁶

Factors of 21406132993521408

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 2362

Divisors of 21406132993521408

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 64 66 79 88 96 128 132 158 176 192 237 256 264 316 352 384 474 528 632 704 768 869 948 1056 1264 1408 1738 1896 2112 2267 2528 2607 2816 3476 3792 4224 4534 5056 5214 6241 6801 6952 7584 8448 9068 10112 10428 12482 13602 13904 15168 18136 18723 20224 20856 24937 24964 27204 27808 30336 36272 37446 41712 49874 49928 54408 55616 60672 68651 72544 74811 74892 83424 99748 99856 108816 111232 137302 145088 149622 149784 166848 179093 199496 199712 205953 217632 222464 274604 290176 299244 299568 333696 358186 398992 399424 411906 435264 493039 537279 549208 580352 598488 599136 667392 716372 797984 798848 823812 870528 986078 1074558 1098416 1196976 1198272 1432744 1479117 1595968 1597696 1647624 1741056 1970023 1972156 2149116 2196832 2393952 2396544 2865488 2958234 3191936 3295248 3940046 3944312 4298232 4393664 4787904 4793088 5139289 5423429 5730976 5910069 5916468 6383872 6590496 7880092 7888624 8596464 8787328 9575808 10278578 10846858 11461952 11820138 11832936 13180992 14148347 15417867 15760184 15777248 16270287 17192928 17574656 19151616 20557156 21693716 22923904 23640276 23665872 26361984 28296694 30835734 31520368 31554496 32540574 34385856 41114312 42445041 43387432 45847808 47280552 47331744 52723968 56532179 56593388 61671468 63040736 63108992 65081148 68771712 82228624 84890082 86774864 94561104 94663488 113064358 113186776 123342936 126081472 126217984 130162296 137543424 155631817 164457248 169596537 169780164 173549728 189122208 189326976 226128716 226373552 246685872 252162944 260324592 311263634 328914496 339193074 339560328 347099456 378244416 378653952 406003831 452257432 452747104 466895451 493371744 504325888 520649184 622527268 657828992 678386148 679120656 694198912 756488832 812007662 904514864 905494208 933790902 986743488 1041298368 1117719413 1218011493 1245054536 1315657984 1356772296 1358241312 1388397824 1512977664 1624015324 1809029728 1810988416 1867581804 1973486976 2082596736 2235438826 2436022986 2490109072 2713544592 2716482624 3248030648 3353158239 3618059456 3621976832 3735163608 3946973952 4165193472 4466042141 4470877652 4872045972 4980218144 5427089184 5432965248 6496061296 6706316478 7236118912 7470327216 8932084282 8941755304 9744091944 9960436288 10854178368 10865930496 12294913543 12992122592 13398126423 13412632956 14472237824 14940654432 17864168564 17883510608 19488183888 19920872576 21708356736 24589827086 25984245184 26796252846 26825265912 29881308864 32074302649 35728337128 35767021216 36884740629 38976367776 39841745152 43416713472 49179654172 51968490368 53592505692 53650531824 59762617728 64148605298 71456674256 71534042432 73769481258 77952735552 96222907947 98359308344 103936980736 107185011384 107301063648 119525235456 128297210596 142913348512 143068084864 147538962516 155905471104 192445815894 196718616688 214370022768 214602127296 256594421192 285826697024 286136169728 295077925032 311810942208 352817329139 384891631788 393437233376 428740045536 429204254592 513188842384 571653394048 590155850064 705634658278 769783263576 786874466752 857480091072 858408509184 1026377684768 1058451987417 1143306788096 1180311700128 1411269316556 1539566527152 1573748933504 1714960182144 2052755369536 2116903974834 2360623400256 2533869909271 2822538633112 3079133054304 3147497867008 3429920364288 4105510739072 4233807949668 4721246800512 5067739818542 5645077266224 6158266108608 7601609727813 8211021478144 8467615899336 9442493601024 10135479637084 11290154532448 12316532217216 15203219455626 16935231798672 20270959274168 22580309064896 24633064434432 27872569001981 30406438911252 33870463597344 40541918548336 45160618129792 55745138003962 60812877822504 67740927194688 81083837096672 83617707005943 90321236259584 111490276007924 121625755645008 135481854389376 162167674193344 167235414011886 222980552015848 243251511290016 270963708778752 324335348386688 334470828023772 445961104031696 486503022580032 648670696773376 668941656047544 891922208063392 973006045160064 1337883312095088 1783844416126784 1946012090320128 2675766624190176 3567688832253568 5351533248380352 7135377664507136 10703066496760704 21406132993521408
• Sum of all divisors σ(n): 62975343297538560
• Sum of proper divisors (its aliquot sum) s(n): 41569210304017152
• 21406132993521408 is an abundant number, because the sum of its proper divisors (41569210304017152) is greater than itself. Its abundance is 20163077310495744

Bases of 21406132993521408

• Binary: 1001100000011001100001110111001000101111111011100000000₂
• Hexadecimal: 0x4C0CC3B917F700
• Base-36: 5URU9QMD7UO

Squares and roots of 21406132993521408

• 21406132993521408 squared (21406132993521408²) is 458222529736325796032500154302464
• 21406132993521408 cubed (21406132993521408³) is 9808772412163608105833048213949279372049291149312
• The square root of 21406132993521408 is 146308349.0219249517
• The cube root of 21406132993521408 is 277659.6294718423

Scales and comparisons

• 21,406,132,993,521,408 seconds is equal to 680,648,815 years, 35 weeks, 1 day, 11 hours, 56 minutes, 48 seconds.
• To count from 1 to 21,406,132,993,521,408 would take you about two billion, forty-one million, nine hundred forty-six thousand, four hundred forty-seven 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 21406132993521408 cubic inches would be around 23138.3 feet tall.

Recreational maths with 21406132993521408

• 21406132993521408 backwards is 80412539923160412
• The number of decimal digits it has is: 17
• The sum of 21406132993521408's digits is 60
• More coming soon!