21321217032381
21,321,217,032,381 is an odd composite number composed of five prime numbers multiplied together.
21321217032381 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 21321217032381:
33 × 7 × 432 × 732 × 1072
(3 × 3 × 3 × 7 × 43 × 43 × 73 × 73 × 107 × 107)See below for interesting mathematical facts about the number 21321217032381 from the Numbermatics database.
Names of 21321217032381
- Cardinal: 21321217032381 can be written as Twenty-one trillion, three hundred twenty-one billion, two hundred seventeen million, thirty-two thousand, three hundred eighty-one.
Scientific notation
- Scientific notation: 2.1321217032381 × 1013
Factors of 21321217032381
Divisors of 21321217032381
- Number of divisors d(n): 216
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Complete list of divisors:
1 3 7 9 21 27 43 63 73 107 129 189 219 301 321 387 511 657 749 903 963 1161 1533 1849 1971 2247 2709 2889 3139 4599 4601 5329 5547 6741 7811 8127 9417 11449 12943 13797 13803 15987 16641 20223 21973 23433 28251 32207 34347 37303 38829 41409 47961 49923 54677 65919 70299 80143 84753 96621 103041 111909 116487 124227 134977 143883 164031 197757 197843 210897 229147 240429 289863 309123 335727 335873 349461 404931 492093 492307 570203 593271 593529 687441 721287 835777 869589 944839 1007181 1007619 1214793 1384901 1476279 1476921 1604029 1710609 1780587 2062323 2163861 2351111 2507331 2834517 3022857 3446149 3644379 3991421 4154703 4430763 4812087 5131827 5341761 5850439 6186969 7053333 7521993 8503551 9068571 9853321 10338447 11974263 12464109 13292289 14436261 14442539 15395481 17551317 21159999 21169201 22565979 24518729 25510653 29559963 31015341 35922789 35938411 37392327 43308783 43327617 52653951 61011721 63479997 63507603 68973247 73556187 88679889 93046023 101097773 107768367 107815233 129982851 148184407 157961853 171631103 183035163 190522809 206919741 220668561 251568877 266039667 303293319 323445699 389948553 427082047 444553221 514893309 549105489 571568427 620759223 662005683 754706631 909879957 970337097 1054305347 1281246141 1333659663 1544679927 1545351673 1647316467 1862277669 2264119893 2623504003 2729639871 3162916041 3843738423 4000978989 4634039781 4636055019 6792359679 7380137429 7870512009 9488748123 10817461711 11531215269 13908165057 18364528021 22140412287 23611536027 28466244369 32452385133 41724495171 55093584063 66421236861 70834608081 97357155399 112810672129 165280752189 199263710583 292071466197 338432016387 495842256567 789674704903 1015296049161 2369024114709 3045888147483 7107072344127 21321217032381
- Sum of all divisors σ(n): 37825151232960
- Sum of proper divisors (its aliquot sum) s(n): 16503934200579
- 21321217032381 is a deficient number, because the sum of its proper divisors (16503934200579) is less than itself. Its deficiency is 4817282831802
Bases of 21321217032381
- Binary: 1001101100100001110111001000101000000101111012
- Hexadecimal: 0x13643B9140BD
- Base-36: 7K2TY4G59
Squares and roots of 21321217032381
- 21321217032381 squared (213212170323812) is 454594295741893656402529161
- 21321217032381 cubed (213212170323813) is 9692503641195308529500022078479233762341
-
The
square root of 21321217032381 is 4617490.3391757085 -
The
cube root of 21321217032381 is 27729.1993710131
Scales and comparisons
How big is 21321217032381?- 21,321,217,032,381 seconds is equal to 677,948 years, 39 weeks, 6 hours, 46 minutes, 21 seconds.
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To count from 1 to 21,321,217,032,381 would take you about one million, six hundred ninety-four thousand, eight hundred 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 21321217032381 cubic inches would be around 2310.8 feet tall.
Recreational maths with 21321217032381
- 21321217032381 backwards is 18323071212312
- The number of decimal digits it has is: 14
- The sum of 21321217032381's digits is 36
- More coming soon!
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