21333984
21,333,984 is an even composite number composed of five prime numbers multiplied together.
21333984 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 21333984:
25 × 3 × 7 × 53 × 599
(2 × 2 × 2 × 2 × 2 × 3 × 7 × 53 × 599)See below for interesting mathematical facts about the number 21333984 from the Numbermatics database.
Names of 21333984
- Cardinal: 21333984 can be written as Twenty-one million, three hundred thirty-three thousand, nine hundred eighty-four.
Scientific notation
- Scientific notation: 2.1333984 × 107
Factors of 21333984
Divisors of 21333984
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 53 56 84 96 106 112 159 168 212 224 318 336 371 424 599 636 672 742 848 1113 1198 1272 1484 1696 1797 2226 2396 2544 2968 3594 4193 4452 4792 5088 5936 7188 8386 8904 9584 11872 12579 14376 16772 17808 19168 25158 28752 31747 33544 35616 50316 57504 63494 67088 95241 100632 126988 134176 190482 201264 222229 253976 380964 402528 444458 507952 666687 761928 888916 1015904 1333374 1523856 1777832 2666748 3047712 3555664 5333496 7111328 10666992 21333984
- Sum of all divisors σ(n): 65318400
- Sum of proper divisors (its aliquot sum) s(n): 43984416
- 21333984 is an abundant number, because the sum of its proper divisors (43984416) is greater than itself. Its abundance is 22650432
Bases of 21333984
- Binary: 10100010110000111111000002
- Hexadecimal: 0x14587E0
- Base-36: CP9EO
Squares and roots of 21333984
- 21333984 squared (213339842) is 455138873312256
- 21333984 cubed (213339843) is 9709925441021696507904
-
The
square root of 21333984 is 4618.8725897127 -
The
cube root of 21333984 is 277.3473293807
Scales and comparisons
How big is 21333984?- 21,333,984 seconds is equal to 35 weeks, 1 day, 22 hours, 6 minutes, 24 seconds.
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To count from 1 to 21,333,984 would take you about six days!
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 21333984 cubic inches would be around 23.1 feet tall.
Recreational maths with 21333984
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The information we have on file for 21333984 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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