21149590
21,149,590 is an even composite number composed of five prime numbers multiplied together.
21149590 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 21149590:
2 × 5 × 7 × 113 × 227
(2 × 5 × 7 × 11 × 11 × 11 × 227)See below for interesting mathematical facts about the number 21149590 from the Numbermatics database.
Names of 21149590
- Cardinal: 21149590 can be written as Twenty-one million, one hundred forty-nine thousand, five hundred ninety.
Scientific notation
- Scientific notation: 2.114959 × 107
Factors of 21149590
Divisors of 21149590
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 5 7 10 11 14 22 35 55 70 77 110 121 154 227 242 385 454 605 770 847 1135 1210 1331 1589 1694 2270 2497 2662 3178 4235 4994 6655 7945 8470 9317 12485 13310 15890 17479 18634 24970 27467 34958 46585 54934 87395 93170 137335 174790 192269 274670 302137 384538 604274 961345 1510685 1922690 2114959 3021370 4229918 10574795 21149590
- Sum of all divisors σ(n): 48066048
- Sum of proper divisors (its aliquot sum) s(n): 26916458
- 21149590 is an abundant number, because the sum of its proper divisors (26916458) is greater than itself. Its abundance is 5766868
Bases of 21149590
- Binary: 10100001010110111100101102
- Hexadecimal: 0x142B796
- Base-36: CLB4M
Squares and roots of 21149590
- 21149590 squared (211495902) is 447305157168100
- 21149590 cubed (211495903) is 9460320678990876079000
-
The
square root of 21149590 is 4598.8683390591 -
The
cube root of 21149590 is 276.5459595053
Scales and comparisons
How big is 21149590?- 21,149,590 seconds is equal to 34 weeks, 6 days, 18 hours, 53 minutes, 10 seconds.
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To count from 1 to 21,149,590 would take you about three 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 21149590 cubic inches would be around 23 feet tall.
Recreational maths with 21149590
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The information we have on file for 21149590 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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