28289690
28,289,690 is an even composite number composed of six prime numbers multiplied together.
28289690 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 28289690:
2 × 5 × 11 × 13 × 73 × 271
See below for interesting mathematical facts about the number 28289690 from the Numbermatics database.
Names of 28289690
- Cardinal: 28289690 can be written as Twenty-eight million, two hundred eighty-nine thousand, six hundred ninety.
Scientific notation
- Scientific notation: 2.828969 × 107
Factors of 28289690
Divisors of 28289690
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 5 10 11 13 22 26 55 65 73 110 130 143 146 271 286 365 542 715 730 803 949 1355 1430 1606 1898 2710 2981 3523 4015 4745 5962 7046 8030 9490 10439 14905 17615 19783 20878 29810 35230 38753 39566 52195 77506 98915 104390 193765 197830 217613 257179 387530 435226 514358 1088065 1285895 2176130 2571790 2828969 5657938 14144845 28289690
- Sum of all divisors σ(n): 60867072
- Sum of proper divisors (its aliquot sum) s(n): 32577382
- 28289690 is an abundant number, because the sum of its proper divisors (32577382) is greater than itself. Its abundance is 4287692
Bases of 28289690
- Binary: 11010111110101010100110102
- Hexadecimal: 0x1AFAA9A
- Base-36: GUCGQ
Squares and roots of 28289690
- 28289690 squared (282896902) is 800306560296100
- 28289690 cubed (282896903) is 22640424495742977209000
-
The
square root of 28289690 is 5318.8053169861 -
The
cube root of 28289690 is 304.7025317941
Scales and comparisons
How big is 28289690?- 28,289,690 seconds is equal to 46 weeks, 5 days, 10 hours, 14 minutes, 50 seconds.
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To count from 1 to 28,289,690 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 28289690 cubic inches would be around 25.4 feet tall.
Recreational maths with 28289690
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The information we have on file for 28289690 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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