28809225
28,809,225 is an odd composite number composed of five prime numbers multiplied together.
28809225 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 28809225:
32 × 52 × 19 × 23 × 293
(3 × 3 × 5 × 5 × 19 × 23 × 293)See below for interesting mathematical facts about the number 28809225 from the Numbermatics database.
Names of 28809225
- Cardinal: 28809225 can be written as Twenty-eight million, eight hundred nine thousand, two hundred twenty-five.
Scientific notation
- Scientific notation: 2.8809225 × 107
Factors of 28809225
Divisors of 28809225
- Number of divisors d(n): 72
-
Complete list of divisors:
1 3 5 9 15 19 23 25 45 57 69 75 95 115 171 207 225 285 293 345 437 475 575 855 879 1035 1311 1425 1465 1725 2185 2637 3933 4275 4395 5175 5567 6555 6739 7325 10925 13185 16701 19665 20217 21975 27835 32775 33695 50103 60651 65925 83505 98325 101085 128041 139175 168475 250515 303255 384123 417525 505425 640205 1152369 1252575 1516275 1920615 3201025 5761845 9603075 28809225
- Sum of all divisors σ(n): 56871360
- Sum of proper divisors (its aliquot sum) s(n): 28062135
- 28809225 is a deficient number, because the sum of its proper divisors (28062135) is less than itself. Its deficiency is 747090
Bases of 28809225
- Binary: 11011011110011000000010012
- Hexadecimal: 0x1B79809
- Base-36: H5HC9
Squares and roots of 28809225
- 28809225 squared (288092252) is 829971445100625
- 28809225 cubed (288092253) is 23910834105479053265625
-
The
square root of 28809225 is 5367.4225658131 -
The
cube root of 28809225 is 306.5564972623
Scales and comparisons
How big is 28809225?- 28,809,225 seconds is equal to 47 weeks, 4 days, 10 hours, 33 minutes, 45 seconds.
-
To count from 1 to 28,809,225 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 28809225 cubic inches would be around 25.5 feet tall.
Recreational maths with 28809225
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The information we have on file for 28809225 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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