21027405621
21,027,405,621 is an odd composite number composed of five prime numbers multiplied together.
21027405621 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred eight divisors.
Prime factorization of 21027405621:
3 × 172 × 192 × 232 × 127
(3 × 17 × 17 × 19 × 19 × 23 × 23 × 127)See below for interesting mathematical facts about the number 21027405621 from the Numbermatics database.
Names of 21027405621
- Cardinal: 21027405621 can be written as Twenty-one billion, twenty-seven million, four hundred five thousand, six hundred twenty-one.
Scientific notation
- Scientific notation: 2.1027405621 × 1010
Factors of 21027405621
Divisors of 21027405621
- Number of divisors d(n): 108
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Complete list of divisors:
1 3 17 19 23 51 57 69 127 289 323 361 381 391 437 529 867 969 1083 1173 1311 1587 2159 2413 2921 5491 6137 6477 6647 7239 7429 8303 8763 8993 10051 16473 18411 19941 22287 24909 26979 30153 36703 41021 45847 49657 55499 67183 104329 110109 123063 126293 137541 141151 148971 152881 166497 170867 190969 201549 312987 378879 423453 458643 512601 572907 697357 779399 844169 943483 1054481 1142111 1276477 2092071 2338197 2399567 2532507 2830449 2904739 3163443 3246473 3426333 3829431 7198701 8714217 9739419 13249783 16039211 17926177 19415887 21700109 24253063 39749349 48117633 53778531 55190041 58247661 65100327 72759189 165570123 304745009 368901853 412302071 914235027 1106705559 1236906213 7009135207 21027405621
- Sum of all divisors σ(n): 33117568512
- Sum of proper divisors (its aliquot sum) s(n): 12090162891
- 21027405621 is a deficient number, because the sum of its proper divisors (12090162891) is less than itself. Its deficiency is 8937242730
Bases of 21027405621
- Binary: 100111001010101010010111111001101012
- Hexadecimal: 0x4E554BF35
- Base-36: 9NR6A0L
Squares and roots of 21027405621
- 21027405621 squared (210274056212) is 442151787150062395641
- 21027405621 cubed (210274056213) is 9297304974454417588602289298061
-
The
square root of 21027405621 is 145008.2950075615 -
The
cube root of 21027405621 is 2760.1238138899
Scales and comparisons
How big is 21027405621?- 21,027,405,621 seconds is equal to 668 years, 31 weeks, 3 days, 18 hours, 21 seconds.
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To count from 1 to 21,027,405,621 would take you about one thousand, three hundred thirty-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 21027405621 cubic inches would be around 230 feet tall.
Recreational maths with 21027405621
- 21027405621 backwards is 12650472012
- The number of decimal digits it has is: 11
- The sum of 21027405621's digits is 30
- More coming soon!
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The information we have on file for 21027405621 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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