21729013265664

Names of 21729013265664

• Cardinal: 21729013265664 can be written as Twenty-one trillion, seven hundred twenty-nine billion, thirteen million, two hundred sixty-five thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 2.1729013265664 × 10¹³

Factors of 21729013265664

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 7957

Divisors of 21729013265664

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 61 64 72 73 96 122 128 144 146 183 192 219 244 256 281 288 292 366 384 438 488 549 562 576 584 657 732 768 843 876 976 1098 1124 1152 1168 1314 1464 1686 1752 1952 2196 2248 2304 2336 2529 2628 2928 3372 3504 3904 4392 4453 4496 4672 5058 5256 5856 6744 7008 7537 7808 8784 8906 8992 9344 10116 10512 11712 13359 13488 14016 15074 15616 17141 17568 17812 17984 18688 20232 20513 21024 22611 23424 26718 26976 28032 30148 34282 35136 35624 35968 40077 40464 41026 42048 45222 46848 51423 53436 53952 56064 60296 61539 67833 68564 70272 71248 71936 80154 80928 82052 84096 90444 102846 106872 107904 120592 123078 135666 137128 140544 142496 154269 160308 161856 164104 168192 180888 184617 205692 213744 215808 241184 246156 271332 274256 284992 308538 320616 323712 328208 361776 369234 411384 427488 459757 482368 492312 542664 548512 550201 569984 617076 641232 647424 656416 723552 738468 822768 854976 919514 964736 984624 1085328 1097024 1100402 1139968 1234152 1251293 1282464 1312832 1379271 1447104 1476936 1645536 1650603 1709952 1839028 1929472 1969248 2117897 2170656 2194048 2200804 2468304 2502586 2564928 2625664 2758542 2894208 2953872 3291072 3301206 3419904 3678056 3753879 3938496 4137813 4235794 4341312 4388096 4401608 4936608 4951809 5005172 5129856 5251328 5517084 5788416 5907744 6353691 6582144 6602412 7356112 7507758 7876992 8275626 8471588 8682624 8803216 9873216 9903618 10010344 10259712 11034168 11261637 11815488 12707382 13164288 13204824 14712224 15015516 15753984 16551252 16943176 17365248 17606432 19061073 19746432 19807236 20020688 22068336 22523274 23630976 25414764 26409648 29424448 30031032 33102504 33562261 33886352 35212864 38122146 39492864 39614472 40041376 44136672 45046548 47261952 50829528 52819296 58848896 60062064 66205008 67124522 67772704 70425728 76244292 79228944 80082752 88273344 90093096 100686783 101659056 105638592 117697792 120124128 129191717 132410016 134249044 135545408 140851456 152488584 154606481 158457888 160165504 176546688 180186192 201373566 203318112 211277184 240248256 258383434 264820032 268498088 271090816 302060349 304977168 309212962 316915776 320331008 353093376 360372384 387575151 402747132 406636224 422554368 463819443 480496512 516766868 529640064 536996176 542181632 604120698 609954336 618425924 633831552 720744768 775150302 805494264 813272448 927638886 960993024 1033533736 1059280128 1073992352 1162725453 1208241396 1219908672 1236851848 1267663104 1391458329 1441489536 1550300604 1610988528 1626544896 1855277772 2067067472 2147984704 2325450906 2416482792 2439817344 2473703696 2782916658 2882979072 3100601208 3221977056 3710555544 4134134944 4295969408 4650901812 4832965584 4879634688 4947407392 5565833316 6201202416 6443954112 7421111088 8268269888 8591938816 9301803624 9430995341 9665931168 9894814784 11131666632 12402404832 12887908224 14842222176 16536539776 18603607248 18861990682 19331862336 19789629568 22263333264 24804809664 25775816448 28292986023 29684444352 33073079552 37207214496 37723981364 38663724672 39579259136 44526666528 49609619328 56585972046 59368888704 74414428992 75447962728 77327449344 84878958069 89053333056 99219238656 113171944092 118737777408 148828857984 150895925456 169757916138 178106666112 226343888184 297657715968 301791850912 339515832276 356213332224 452687776368 603583701824 679031664552 905375552736 1207167403648 1358063329104 1810751105472 2414334807296 2716126658208 3621502210944 5432253316416 7243004421888 10864506632832 21729013265664
• Sum of all divisors σ(n): 64787750808144
• Sum of proper divisors (its aliquot sum) s(n): 43058737542480
• 21729013265664 is an abundant number, because the sum of its proper divisors (43058737542480) is greater than itself. Its abundance is 21329724276816

Bases of 21729013265664

• Binary: 100111100001100101110000111011111010100000000₂
• Hexadecimal: 0x13C32E1DF500
• Base-36: 7PA65GZK0

Squares and roots of 21729013265664

• 21729013265664 squared (21729013265664²) is 472150017499402089841360896
• 21729013265664 cubed (21729013265664³) is 10259353993627997751351255642490949074944
• The square root of 21729013265664 is 4661438.9694239267
• The cube root of 21729013265664 is 27904.8698760059

Scales and comparisons

• 21,729,013,265,664 seconds is equal to 690,915 years, 21 weeks, 2 days, 2 hours, 14 minutes, 24 seconds.
• To count from 1 to 21,729,013,265,664 would take you about one million, seven hundred twenty-seven thousand, two hundred eighty-eight 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 21729013265664 cubic inches would be around 2325.4 feet tall.

Recreational maths with 21729013265664

• 21729013265664 backwards is 46656231092712
• The number of decimal digits it has is: 14
• The sum of 21729013265664's digits is 54
• More coming soon!