28855728
28,855,728 is an even composite number composed of four prime numbers multiplied together.
28855728 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixty divisors.
Prime factorization of 28855728:
24 × 32 × 11 × 18217
(2 × 2 × 2 × 2 × 3 × 3 × 11 × 18217)See below for interesting mathematical facts about the number 28855728 from the Numbermatics database.
Names of 28855728
- Cardinal: 28855728 can be written as Twenty-eight million, eight hundred fifty-five thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 2.8855728 × 107
Factors of 28855728
Divisors of 28855728
- Number of divisors d(n): 60
-
Complete list of divisors:
1 2 3 4 6 8 9 11 12 16 18 22 24 33 36 44 48 66 72 88 99 132 144 176 198 264 396 528 792 1584 18217 36434 54651 72868 109302 145736 163953 200387 218604 291472 327906 400774 437208 601161 655812 801548 874416 1202322 1311624 1603096 1803483 2404644 2623248 3206192 3606966 4809288 7213932 9618576 14427864 28855728
- Sum of all divisors σ(n): 88102248
- Sum of proper divisors (its aliquot sum) s(n): 59246520
- 28855728 is an abundant number, because the sum of its proper divisors (59246520) is greater than itself. Its abundance is 30390792
Bases of 28855728
- Binary: 11011100001001101101100002
- Hexadecimal: 0x1B84DB0
- Base-36: H6H80
Squares and roots of 28855728
- 28855728 squared (288557282) is 832653038409984
- 28855728 cubed (288557283) is 24026809594732050788352
-
The
square root of 28855728 is 5371.7527865679 -
The
cube root of 28855728 is 306.7213534063
Scales and comparisons
How big is 28855728?- 28,855,728 seconds is equal to 47 weeks, 4 days, 23 hours, 28 minutes, 48 seconds.
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To count from 1 to 28,855,728 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 28855728 cubic inches would be around 25.6 feet tall.
Recreational maths with 28855728
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The information we have on file for 28855728 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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