28240740
28,240,740 is an even composite number composed of six prime numbers multiplied together.
28240740 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 28240740:
22 × 32 × 5 × 11 × 17 × 839
(2 × 2 × 3 × 3 × 5 × 11 × 17 × 839)See below for interesting mathematical facts about the number 28240740 from the Numbermatics database.
Names of 28240740
- Cardinal: 28240740 can be written as Twenty-eight million, two hundred forty thousand, seven hundred forty.
Scientific notation
- Scientific notation: 2.824074 × 107
Factors of 28240740
Divisors of 28240740
- Number of divisors d(n): 144
-
Complete list of divisors:
1 2 3 4 5 6 9 10 11 12 15 17 18 20 22 30 33 34 36 44 45 51 55 60 66 68 85 90 99 102 110 132 153 165 170 180 187 198 204 220 255 306 330 340 374 396 495 510 561 612 660 748 765 839 935 990 1020 1122 1530 1678 1683 1870 1980 2244 2517 2805 3060 3356 3366 3740 4195 5034 5610 6732 7551 8390 8415 9229 10068 11220 12585 14263 15102 16780 16830 18458 25170 27687 28526 30204 33660 36916 37755 42789 46145 50340 55374 57052 71315 75510 83061 85578 92290 110748 128367 138435 142630 151020 156893 166122 171156 184580 213945 256734 276870 285260 313786 332244 415305 427890 470679 513468 553740 627572 641835 784465 830610 855780 941358 1283670 1412037 1568930 1661220 1882716 2353395 2567340 2824074 3137860 4706790 5648148 7060185 9413580 14120370 28240740
- Sum of all divisors σ(n): 99066240
- Sum of proper divisors (its aliquot sum) s(n): 70825500
- 28240740 is an abundant number, because the sum of its proper divisors (70825500) is greater than itself. Its abundance is 42584760
Bases of 28240740
- Binary: 11010111011101011011001002
- Hexadecimal: 0x1AEEB64
- Base-36: GTAP0
Squares and roots of 28240740
- 28240740 squared (282407402) is 797539395747600
- 28240740 cubed (282407403) is 22523102715065077224000
-
The
square root of 28240740 is 5314.2017274469 -
The
cube root of 28240740 is 304.5266868147
Scales and comparisons
How big is 28240740?- 28,240,740 seconds is equal to 46 weeks, 4 days, 20 hours, 39 minutes.
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To count from 1 to 28,240,740 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 28240740 cubic inches would be around 25.4 feet tall.
Recreational maths with 28240740
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The information we have on file for 28240740 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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