28913490
28,913,490 is an even composite number composed of five prime numbers multiplied together.
28913490 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 28913490:
2 × 33 × 5 × 173 × 619
(2 × 3 × 3 × 3 × 5 × 173 × 619)See below for interesting mathematical facts about the number 28913490 from the Numbermatics database.
Names of 28913490
- Cardinal: 28913490 can be written as Twenty-eight million, nine hundred thirteen thousand, four hundred ninety.
Scientific notation
- Scientific notation: 2.891349 × 107
Factors of 28913490
Divisors of 28913490
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 173 270 346 519 619 865 1038 1238 1557 1730 1857 2595 3095 3114 3714 4671 5190 5571 6190 7785 9285 9342 11142 15570 16713 18570 23355 27855 33426 46710 55710 83565 107087 167130 214174 321261 535435 642522 963783 1070870 1606305 1927566 2891349 3212610 4818915 5782698 9637830 14456745 28913490
- Sum of all divisors σ(n): 77673600
- Sum of proper divisors (its aliquot sum) s(n): 48760110
- 28913490 is an abundant number, because the sum of its proper divisors (48760110) is greater than itself. Its abundance is 19846620
Bases of 28913490
- Binary: 11011100100101111010100102
- Hexadecimal: 0x1B92F52
- Base-36: H7PSI
Squares and roots of 28913490
- 28913490 squared (289134902) is 835989903980100
- 28913490 cubed (289134903) is 24171385728829581549000
-
The
square root of 28913490 is 5377.1265560707 -
The
cube root of 28913490 is 306.9258769863
Scales and comparisons
How big is 28913490?- 28,913,490 seconds is equal to 47 weeks, 5 days, 15 hours, 31 minutes, 30 seconds.
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To count from 1 to 28,913,490 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 28913490 cubic inches would be around 25.6 feet tall.
Recreational maths with 28913490
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The information we have on file for 28913490 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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