20840872
20,840,872 is an even composite number composed of five prime numbers multiplied together.
20840872 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 20840872:
23 × 13 × 19 × 53 × 199
(2 × 2 × 2 × 13 × 19 × 53 × 199)See below for interesting mathematical facts about the number 20840872 from the Numbermatics database.
Names of 20840872
- Cardinal: 20840872 can be written as Twenty million, eight hundred forty thousand, eight hundred seventy-two.
Scientific notation
- Scientific notation: 2.0840872 × 107
Factors of 20840872
Divisors of 20840872
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 4 8 13 19 26 38 52 53 76 104 106 152 199 212 247 398 424 494 689 796 988 1007 1378 1592 1976 2014 2587 2756 3781 4028 5174 5512 7562 8056 10348 10547 13091 15124 20696 21094 26182 30248 42188 49153 52364 84376 98306 104728 137111 196612 200393 274222 393224 400786 548444 801572 1096888 1603144 2605109 5210218 10420436 20840872
- Sum of all divisors σ(n): 45360000
- Sum of proper divisors (its aliquot sum) s(n): 24519128
- 20840872 is an abundant number, because the sum of its proper divisors (24519128) is greater than itself. Its abundance is 3678256
Bases of 20840872
- Binary: 10011111000000001101010002
- Hexadecimal: 0x13E01A8
- Base-36: CEOX4
Squares and roots of 20840872
- 20840872 squared (208408722) is 434341945720384
- 20840872 cubed (208408723) is 9052064894989470734848
-
The
square root of 20840872 is 4565.1803907403 -
The
cube root of 20840872 is 275.1937895771
Scales and comparisons
How big is 20840872?- 20,840,872 seconds is equal to 34 weeks, 3 days, 5 hours, 7 minutes, 52 seconds.
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To count from 1 to 20,840,872 would take you about fifty-one weeks!
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 20840872 cubic inches would be around 22.9 feet tall.
Recreational maths with 20840872
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The information we have on file for 20840872 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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