28137830
28,137,830 is an even composite number composed of six prime numbers multiplied together.
28137830 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 28137830:
2 × 5 × 7 × 29 × 83 × 167
See below for interesting mathematical facts about the number 28137830 from the Numbermatics database.
Names of 28137830
- Cardinal: 28137830 can be written as Twenty-eight million, one hundred thirty-seven thousand, eight hundred thirty.
Scientific notation
- Scientific notation: 2.813783 × 107
Factors of 28137830
Divisors of 28137830
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 5 7 10 14 29 35 58 70 83 145 166 167 203 290 334 406 415 581 830 835 1015 1162 1169 1670 2030 2338 2407 2905 4814 4843 5810 5845 9686 11690 12035 13861 16849 24070 24215 27722 33698 33901 48430 67802 69305 84245 97027 138610 168490 169505 194054 339010 401969 485135 803938 970270 2009845 2813783 4019690 5627566 14068915 28137830
- Sum of all divisors σ(n): 60963840
- Sum of proper divisors (its aliquot sum) s(n): 32826010
- 28137830 is an abundant number, because the sum of its proper divisors (32826010) is greater than itself. Its abundance is 4688180
Bases of 28137830
- Binary: 11010110101011001011001102
- Hexadecimal: 0x1AD5966
- Base-36: GR3AE
Squares and roots of 28137830
- 28137830 squared (281378302) is 791737477108900
- 28137830 cubed (281378303) is 22277774535519119687000
-
The
square root of 28137830 is 5304.5103449801 -
The
cube root of 28137830 is 304.1563355053
Scales and comparisons
How big is 28137830?- 28,137,830 seconds is equal to 46 weeks, 3 days, 16 hours, 3 minutes, 50 seconds.
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To count from 1 to 28,137,830 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 28137830 cubic inches would be around 25.3 feet tall.
Recreational maths with 28137830
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The information we have on file for 28137830 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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