28213770
28,213,770 is an even composite number composed of six prime numbers multiplied together.
28213770 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 28213770:
2 × 3 × 5 × 13 × 73 × 991
See below for interesting mathematical facts about the number 28213770 from the Numbermatics database.
Names of 28213770
- Cardinal: 28213770 can be written as Twenty-eight million, two hundred thirteen thousand, seven hundred seventy.
Scientific notation
- Scientific notation: 2.821377 × 107
Factors of 28213770
Divisors of 28213770
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 3 5 6 10 13 15 26 30 39 65 73 78 130 146 195 219 365 390 438 730 949 991 1095 1898 1982 2190 2847 2973 4745 4955 5694 5946 9490 9910 12883 14235 14865 25766 28470 29730 38649 64415 72343 77298 128830 144686 193245 217029 361715 386490 434058 723430 940459 1085145 1880918 2170290 2821377 4702295 5642754 9404590 14106885 28213770
- Sum of all divisors σ(n): 73995264
- Sum of proper divisors (its aliquot sum) s(n): 45781494
- 28213770 is an abundant number, because the sum of its proper divisors (45781494) is greater than itself. Its abundance is 17567724
Bases of 28213770
- Binary: 11010111010000010000010102
- Hexadecimal: 0x1AE820A
- Base-36: GSPVU
Squares and roots of 28213770
- 28213770 squared (282137702) is 796016817612900
- 28213770 cubed (282137703) is 22458635408262309633000
-
The
square root of 28213770 is 5311.6635812145 -
The
cube root of 28213770 is 304.4297146079
Scales and comparisons
How big is 28213770?- 28,213,770 seconds is equal to 46 weeks, 4 days, 13 hours, 9 minutes, 30 seconds.
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To count from 1 to 28,213,770 would take you about seventeen 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 28213770 cubic inches would be around 25.4 feet tall.
Recreational maths with 28213770
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The information we have on file for 28213770 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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