21221846490744

Names of 21221846490744

• Cardinal: 21221846490744 can be written as Twenty-one trillion, two hundred twenty-one billion, eight hundred forty-six million, four hundred ninety thousand, seven hundred forty-four.

Scientific notation

• Scientific notation: 2.1221846490744 × 10¹³

Factors of 21221846490744

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 4445

Divisors of 21221846490744

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 108 162 216 243 313 324 486 626 648 729 939 972 1252 1458 1878 1944 2187 2504 2817 2916 3756 4127 4374 5634 5832 6561 7512 8254 8451 8748 11268 12381 13122 16508 16902 17496 22536 24762 25353 26244 33016 33804 37143 49524 50706 52488 67608 74286 76059 97969 99048 101412 111429 148572 152118 195938 202824 222858 228177 293907 297144 304236 334287 391876 445716 456354 587814 608472 668574 684531 783752 881721 891432 912708 1002861 1175628 1291751 1337148 1369062 1763442 1825416 2005722 2053593 2351256 2583502 2645163 2674296 2738124 3008583 3526884 3875253 4011444 4107186 5167004 5290326 5476248 6017166 7053768 7750506 7935489 8022888 8214372 9025749 10334008 10580652 11625759 12034332 15501012 15870978 16428744 18051498 21161304 23251518 23806467 24068664 27077247 31002024 31741956 34877277 36102996 46503036 47612934 54154494 63483912 69754554 71419401 72205992 93006072 95225868 104631831 108308988 139509108 142838802 190451736 209263662 214258203 216617976 279018216 285677604 313895493 404318063 418527324 428516406 571355208 627790986 642774609 808636126 837054648 857032812 941686479 1212954189 1255581972 1285549218 1617272252 1714065624 1883372958 2425908378 2511163944 2571098436 2825059437 3234544504 3638862567 3766745916 4851816756 5142196872 5650118874 7277725134 7533491832 8475178311 9703633512 10916587701 11300237748 14555450268 16950356622 21833175402 22600475496 29110900536 32749763103 33900713244 43666350804 65499526206 67801426488 87332701608 98249289309 130999052412 196498578618 261998104824 294747867927 392997157236 589495735854 785994314472 884243603781 1178991471708 1768487207562 2357982943416 2652730811343 3536974415124 5305461622686 7073948830248 10610923245372 21221846490744
• Sum of all divisors σ(n): 59889209945760
• Sum of proper divisors (its aliquot sum) s(n): 38667363455016
• 21221846490744 is an abundant number, because the sum of its proper divisors (38667363455016) is greater than itself. Its abundance is 17445516964272

Bases of 21221846490744

• Binary: 100110100110100011000100111110001111001111000₂
• Hexadecimal: 0x134D189F1E78
• Base-36: 7IT6JGVI0

Squares and roots of 21221846490744

• 21221846490744 squared (21221846490744²) is 450366768476703427677673536
• 21221846490744 cubed (21221846490744³) is 9557614425145044159179072331519677750784
• The square root of 21221846490744 is 4606717.5397178413
• The cube root of 21221846490744 is 27686.0536565773

Scales and comparisons

• 21,221,846,490,744 seconds is equal to 674,789 years, 3 weeks, 6 days, 6 hours, 32 minutes, 24 seconds.
• To count from 1 to 21,221,846,490,744 would take you about one million, six hundred eighty-six thousand, nine hundred seventy-two 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 21221846490744 cubic inches would be around 2307.2 feet tall.

Recreational maths with 21221846490744

• 21221846490744 backwards is 44709464812212
• 21221846490744 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21221846490744's digits is 54
• More coming soon!