21048690
21,048,690 is an even composite number composed of six prime numbers multiplied together.
21048690 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 21048690:
2 × 3 × 5 × 13 × 31 × 1741
See below for interesting mathematical facts about the number 21048690 from the Numbermatics database.
Names of 21048690
- Cardinal: 21048690 can be written as Twenty-one million, forty-eight thousand, six hundred ninety.
Scientific notation
- Scientific notation: 2.104869 × 107
Factors of 21048690
Divisors of 21048690
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 3 5 6 10 13 15 26 30 31 39 62 65 78 93 130 155 186 195 310 390 403 465 806 930 1209 1741 2015 2418 3482 4030 5223 6045 8705 10446 12090 17410 22633 26115 45266 52230 53971 67899 107942 113165 135798 161913 226330 269855 323826 339495 539710 678990 701623 809565 1403246 1619130 2104869 3508115 4209738 7016230 10524345 21048690
- Sum of all divisors σ(n): 56189952
- Sum of proper divisors (its aliquot sum) s(n): 35141262
- 21048690 is an abundant number, because the sum of its proper divisors (35141262) is greater than itself. Its abundance is 14092572
Bases of 21048690
- Binary: 10100000100101101011100102
- Hexadecimal: 0x1412D72
- Base-36: CJ59U
Squares and roots of 21048690
- 21048690 squared (210486902) is 443047350716100
- 21048690 cubed (210486903) is 9325566340544466909000
-
The
square root of 21048690 is 4587.8851336973 -
The
cube root of 21048690 is 276.1054784829
Scales and comparisons
How big is 21048690?- 21,048,690 seconds is equal to 34 weeks, 5 days, 14 hours, 51 minutes, 30 seconds.
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To count from 1 to 21,048,690 would take you about ten 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 21048690 cubic inches would be around 23 feet tall.
Recreational maths with 21048690
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The information we have on file for 21048690 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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