21413742
21,413,742 is an even composite number composed of six prime numbers multiplied together.
21413742 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 21413742:
2 × 3 × 7 × 43 × 71 × 167
See below for interesting mathematical facts about the number 21413742 from the Numbermatics database.
Names of 21413742
- Cardinal: 21413742 can be written as Twenty-one million, four hundred thirteen thousand, seven hundred forty-two.
Scientific notation
- Scientific notation: 2.1413742 × 107
Factors of 21413742
Divisors of 21413742
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 3 6 7 14 21 42 43 71 86 129 142 167 213 258 301 334 426 497 501 602 903 994 1002 1169 1491 1806 2338 2982 3053 3507 6106 7014 7181 9159 11857 14362 18318 21371 21543 23714 35571 42742 43086 50267 64113 71142 82999 100534 128226 150801 165998 248997 301602 497994 509851 1019702 1529553 3059106 3568957 7137914 10706871 21413742
- Sum of all divisors σ(n): 51093504
- Sum of proper divisors (its aliquot sum) s(n): 29679762
- 21413742 is an abundant number, because the sum of its proper divisors (29679762) is greater than itself. Its abundance is 8266020
Bases of 21413742
- Binary: 10100011010111111011011102
- Hexadecimal: 0x146BF6E
- Base-36: CQYY6
Squares and roots of 21413742
- 21413742 squared (214137422) is 458548346442564
- 21413742 cubed (214137423) is 9819235985247683314488
-
The
square root of 21413742 is 4627.4984602915 -
The
cube root of 21413742 is 277.6925244627
Scales and comparisons
How big is 21413742?- 21,413,742 seconds is equal to 35 weeks, 2 days, 20 hours, 15 minutes, 42 seconds.
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To count from 1 to 21,413,742 would take you about eighteen hours!
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 21413742 cubic inches would be around 23.1 feet tall.
Recreational maths with 21413742
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The information we have on file for 21413742 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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