28493730
28,493,730 is an even composite number composed of five prime numbers multiplied together.
28493730 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 28493730:
2 × 32 × 5 × 192 × 877
(2 × 3 × 3 × 5 × 19 × 19 × 877)See below for interesting mathematical facts about the number 28493730 from the Numbermatics database.
Names of 28493730
- Cardinal: 28493730 can be written as Twenty-eight million, four hundred ninety-three thousand, seven hundred thirty.
Scientific notation
- Scientific notation: 2.849373 × 107
Factors of 28493730
Divisors of 28493730
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 3 5 6 9 10 15 18 19 30 38 45 57 90 95 114 171 190 285 342 361 570 722 855 877 1083 1710 1754 1805 2166 2631 3249 3610 4385 5262 5415 6498 7893 8770 10830 13155 15786 16245 16663 26310 32490 33326 39465 49989 78930 83315 99978 149967 166630 249945 299934 316597 499890 633194 749835 949791 1499670 1582985 1899582 2849373 3165970 4748955 5698746 9497910 14246865 28493730
- Sum of all divisors σ(n): 78277212
- Sum of proper divisors (its aliquot sum) s(n): 49783482
- 28493730 is an abundant number, because the sum of its proper divisors (49783482) is greater than itself. Its abundance is 21289752
Bases of 28493730
- Binary: 11011001011000111101000102
- Hexadecimal: 0x1B2C7A2
- Base-36: GYPWI
Squares and roots of 28493730
- 28493730 squared (284937302) is 811892649312900
- 28493730 cubed (284937303) is 23133849938506458117000
-
The
square root of 28493730 is 5337.9518544101 -
The
cube root of 28493730 is 305.4333354843
Scales and comparisons
How big is 28493730?- 28,493,730 seconds is equal to 47 weeks, 18 hours, 55 minutes, 30 seconds.
-
To count from 1 to 28,493,730 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 28493730 cubic inches would be around 25.5 feet tall.
Recreational maths with 28493730
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The information we have on file for 28493730 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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