28708956
28,708,956 is an even composite number composed of five prime numbers multiplied together.
28708956 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 28708956:
22 × 32 × 29 × 107 × 257
(2 × 2 × 3 × 3 × 29 × 107 × 257)See below for interesting mathematical facts about the number 28708956 from the Numbermatics database.
Names of 28708956
- Cardinal: 28708956 can be written as Twenty-eight million, seven hundred eight thousand, nine hundred fifty-six.
Scientific notation
- Scientific notation: 2.8708956 × 107
Factors of 28708956
Divisors of 28708956
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 3 4 6 9 12 18 29 36 58 87 107 116 174 214 257 261 321 348 428 514 522 642 771 963 1028 1044 1284 1542 1926 2313 3084 3103 3852 4626 6206 7453 9252 9309 12412 14906 18618 22359 27499 27927 29812 37236 44718 54998 55854 67077 82497 89436 109996 111708 134154 164994 247491 268308 329988 494982 797471 989964 1594942 2392413 3189884 4784826 7177239 9569652 14354478 28708956
- Sum of all divisors σ(n): 76068720
- Sum of proper divisors (its aliquot sum) s(n): 47359764
- 28708956 is an abundant number, because the sum of its proper divisors (47359764) is greater than itself. Its abundance is 18650808
Bases of 28708956
- Binary: 11011011000010000010111002
- Hexadecimal: 0x1B6105C
- Base-36: H3BZ0
Squares and roots of 28708956
- 28708956 squared (287089562) is 824204154609936
- 28708956 cubed (287089563) is 23662040809713849786816
-
The
square root of 28708956 is 5358.0739076649 -
The
cube root of 28708956 is 306.2004325721
Scales and comparisons
How big is 28708956?- 28,708,956 seconds is equal to 47 weeks, 3 days, 6 hours, 42 minutes, 36 seconds.
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To count from 1 to 28,708,956 would take you about nineteen 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 28708956 cubic inches would be around 25.5 feet tall.
Recreational maths with 28708956
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The information we have on file for 28708956 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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