28265490
28,265,490 is an even composite number composed of six prime numbers multiplied together.
28265490 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 28265490:
2 × 33 × 5 × 11 × 31 × 307
(2 × 3 × 3 × 3 × 5 × 11 × 31 × 307)See below for interesting mathematical facts about the number 28265490 from the Numbermatics database.
Names of 28265490
- Cardinal: 28265490 can be written as Twenty-eight million, two hundred sixty-five thousand, four hundred ninety.
Scientific notation
- Scientific notation: 2.826549 × 107
Factors of 28265490
Divisors of 28265490
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 5 6 9 10 11 15 18 22 27 30 31 33 45 54 55 62 66 90 93 99 110 135 155 165 186 198 270 279 297 307 310 330 341 465 495 558 594 614 682 837 921 930 990 1023 1395 1485 1535 1674 1705 1842 2046 2763 2790 2970 3069 3070 3377 3410 4185 4605 5115 5526 6138 6754 8289 8370 9207 9210 9517 10131 10230 13815 15345 16578 16885 18414 19034 20262 27630 28551 30393 30690 33770 41445 46035 47585 50655 57102 60786 82890 85653 91179 92070 95170 101310 104687 142755 151965 171306 182358 209374 256959 285510 303930 314061 428265 455895 513918 523435 628122 856530 911790 942183 1046870 1284795 1570305 1884366 2569590 2826549 3140610 4710915 5653098 9421830 14132745 28265490
- Sum of all divisors σ(n): 85155840
- Sum of proper divisors (its aliquot sum) s(n): 56890350
- 28265490 is an abundant number, because the sum of its proper divisors (56890350) is greater than itself. Its abundance is 28624860
Bases of 28265490
- Binary: 11010111101001100000100102
- Hexadecimal: 0x1AF4C12
- Base-36: GTTSI
Squares and roots of 28265490
- 28265490 squared (282654902) is 798937924940100
- 28265490 cubed (282654903) is 22582371928015147149000
-
The
square root of 28265490 is 5316.5298832979 -
The
cube root of 28265490 is 304.6156225717
Scales and comparisons
How big is 28265490?- 28,265,490 seconds is equal to 46 weeks, 5 days, 3 hours, 31 minutes, 30 seconds.
-
To count from 1 to 28,265,490 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 28265490 cubic inches would be around 25.4 feet tall.
Recreational maths with 28265490
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The information we have on file for 28265490 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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