28421744
28,421,744 is an even composite number composed of four prime numbers multiplied together.
28421744 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 28421744:
24 × 132 × 23 × 457
(2 × 2 × 2 × 2 × 13 × 13 × 23 × 457)See below for interesting mathematical facts about the number 28421744 from the Numbermatics database.
Names of 28421744
- Cardinal: 28421744 can be written as Twenty-eight million, four hundred twenty-one thousand, seven hundred forty-four.
Scientific notation
- Scientific notation: 2.8421744 × 107
Factors of 28421744
Divisors of 28421744
- Number of divisors d(n): 60
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Complete list of divisors:
1 2 4 8 13 16 23 26 46 52 92 104 169 184 208 299 338 368 457 598 676 914 1196 1352 1828 2392 2704 3656 3887 4784 5941 7312 7774 10511 11882 15548 21022 23764 31096 42044 47528 62192 77233 84088 95056 136643 154466 168176 273286 308932 546572 617864 1093144 1235728 1776359 2186288 3552718 7105436 14210872 28421744
- Sum of all divisors σ(n): 62357616
- Sum of proper divisors (its aliquot sum) s(n): 33935872
- 28421744 is an abundant number, because the sum of its proper divisors (33935872) is greater than itself. Its abundance is 5514128
Bases of 28421744
- Binary: 11011000110101110011100002
- Hexadecimal: 0x1B1AE70
- Base-36: GX6CW
Squares and roots of 28421744
- 28421744 squared (284217442) is 807795532001536
- 28421744 cubed (284217443) is 22958957814891463798784
-
The
square root of 28421744 is 5331.2047418945 -
The
cube root of 28421744 is 305.1759049793
Scales and comparisons
How big is 28421744?- 28,421,744 seconds is equal to 46 weeks, 6 days, 22 hours, 55 minutes, 44 seconds.
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To count from 1 to 28,421,744 would take you about eighteen 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 28421744 cubic inches would be around 25.4 feet tall.
Recreational maths with 28421744
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The information we have on file for 28421744 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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