20137728
20,137,728 is an even composite number composed of four prime numbers multiplied together.
20137728 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 20137728:
28 × 3 × 13 × 2017
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 13 × 2017)See below for interesting mathematical facts about the number 20137728 from the Numbermatics database.
Names of 20137728
- Cardinal: 20137728 can be written as Twenty million, one hundred thirty-seven thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 2.0137728 × 107
Factors of 20137728
Divisors of 20137728
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 128 156 192 208 256 312 384 416 624 768 832 1248 1664 2017 2496 3328 4034 4992 6051 8068 9984 12102 16136 24204 26221 32272 48408 52442 64544 78663 96816 104884 129088 157326 193632 209768 258176 314652 387264 419536 516352 629304 774528 839072 1258608 1549056 1678144 2517216 3356288 5034432 6712576 10068864 20137728
- Sum of all divisors σ(n): 57747088
- Sum of proper divisors (its aliquot sum) s(n): 37609360
- 20137728 is an abundant number, because the sum of its proper divisors (37609360) is greater than itself. Its abundance is 17471632
Bases of 20137728
- Binary: 10011001101000111000000002
- Hexadecimal: 0x1334700
- Base-36: BZMDC
Squares and roots of 20137728
- 20137728 squared (201377282) is 405528089001984
- 20137728 cubed (201377283) is 8166414352681745252352
-
The
square root of 20137728 is 4487.5079944219 -
The
cube root of 20137728 is 272.0634223503
Scales and comparisons
How big is 20137728?- 20,137,728 seconds is equal to 33 weeks, 2 days, 1 hour, 48 minutes, 48 seconds.
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To count from 1 to 20,137,728 would take you about forty-nine 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 20137728 cubic inches would be around 22.7 feet tall.
Recreational maths with 20137728
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The information we have on file for 20137728 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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