21208950
21,208,950 is an even composite number composed of five prime numbers multiplied together.
21208950 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 21208950:
2 × 32 × 52 × 7 × 6733
(2 × 3 × 3 × 5 × 5 × 7 × 6733)See below for interesting mathematical facts about the number 21208950 from the Numbermatics database.
Names of 21208950
- Cardinal: 21208950 can be written as Twenty-one million, two hundred eight thousand, nine hundred fifty.
Scientific notation
- Scientific notation: 2.120895 × 107
Factors of 21208950
Divisors of 21208950
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 3 5 6 7 9 10 14 15 18 21 25 30 35 42 45 50 63 70 75 90 105 126 150 175 210 225 315 350 450 525 630 1050 1575 3150 6733 13466 20199 33665 40398 47131 60597 67330 94262 100995 121194 141393 168325 201990 235655 282786 302985 336650 424179 471310 504975 605970 706965 848358 1009950 1178275 1413930 1514925 2120895 2356550 3029850 3534825 4241790 7069650 10604475 21208950
- Sum of all divisors σ(n): 65131248
- Sum of proper divisors (its aliquot sum) s(n): 43922298
- 21208950 is an abundant number, because the sum of its proper divisors (43922298) is greater than itself. Its abundance is 22713348
Bases of 21208950
- Binary: 10100001110011111011101102
- Hexadecimal: 0x1439F76
- Base-36: CMKXI
Squares and roots of 21208950
- 21208950 squared (212089502) is 449819560102500
- 21208950 cubed (212089503) is 9540200559235917375000
-
The
square root of 21208950 is 4605.3175786259 -
The
cube root of 21208950 is 276.8044425957
Scales and comparisons
How big is 21208950?- 21,208,950 seconds is equal to 35 weeks, 11 hours, 22 minutes, 30 seconds.
-
To count from 1 to 21,208,950 would take you about four 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 21208950 cubic inches would be around 23.1 feet tall.
Recreational maths with 21208950
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The information we have on file for 21208950 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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