28379240
28,379,240 is an even composite number composed of five prime numbers multiplied together.
28379240 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 28379240:
23 × 5 × 23 × 109 × 283
(2 × 2 × 2 × 5 × 23 × 109 × 283)See below for interesting mathematical facts about the number 28379240 from the Numbermatics database.
Names of 28379240
- Cardinal: 28379240 can be written as Twenty-eight million, three hundred seventy-nine thousand, two hundred forty.
Scientific notation
- Scientific notation: 2.837924 × 107
Factors of 28379240
Divisors of 28379240
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 4 5 8 10 20 23 40 46 92 109 115 184 218 230 283 436 460 545 566 872 920 1090 1132 1415 2180 2264 2507 2830 4360 5014 5660 6509 10028 11320 12535 13018 20056 25070 26036 30847 32545 50140 52072 61694 65090 100280 123388 130180 154235 246776 260360 308470 616940 709481 1233880 1418962 2837924 3547405 5675848 7094810 14189620 28379240
- Sum of all divisors σ(n): 67478400
- Sum of proper divisors (its aliquot sum) s(n): 39099160
- 28379240 is an abundant number, because the sum of its proper divisors (39099160) is greater than itself. Its abundance is 10719920
Bases of 28379240
- Binary: 11011000100001000011010002
- Hexadecimal: 0x1B10868
- Base-36: GW9K8
Squares and roots of 28379240
- 28379240 squared (283792402) is 805381262977600
- 28379240 cubed (283792403) is 22856108153544425024000
-
The
square root of 28379240 is 5327.2169094191 -
The
cube root of 28379240 is 305.0237014637
Scales and comparisons
How big is 28379240?- 28,379,240 seconds is equal to 46 weeks, 6 days, 11 hours, 7 minutes, 20 seconds.
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To count from 1 to 28,379,240 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 28379240 cubic inches would be around 25.4 feet tall.
Recreational maths with 28379240
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The information we have on file for 28379240 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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