28397824
28,397,824 is an even composite number composed of five prime numbers multiplied together.
28397824 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 28397824:
28 × 7 × 13 × 23 × 53
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 7 × 13 × 23 × 53)See below for interesting mathematical facts about the number 28397824 from the Numbermatics database.
Names of 28397824
- Cardinal: 28397824 can be written as Twenty-eight million, three hundred ninety-seven thousand, eight hundred twenty-four.
Scientific notation
- Scientific notation: 2.8397824 × 107
Factors of 28397824
Divisors of 28397824
- Number of divisors d(n): 144
-
Complete list of divisors:
1 2 4 7 8 13 14 16 23 26 28 32 46 52 53 56 64 91 92 104 106 112 128 161 182 184 208 212 224 256 299 322 364 368 371 416 424 448 598 644 689 728 736 742 832 848 896 1196 1219 1288 1378 1456 1472 1484 1664 1696 1792 2093 2392 2438 2576 2756 2912 2944 2968 3328 3392 4186 4784 4823 4876 5152 5512 5824 5888 5936 6784 8372 8533 9568 9646 9752 10304 11024 11648 11872 13568 15847 16744 17066 19136 19292 19504 20608 22048 23296 23744 31694 33488 34132 38272 38584 39008 41216 44096 47488 63388 66976 68264 76544 77168 78016 88192 94976 110929 126776 133952 136528 154336 156032 176384 221858 253552 267904 273056 308672 312064 443716 507104 535808 546112 617344 887432 1014208 1092224 1234688 1774864 2028416 2184448 3549728 4056832 7099456 14198912 28397824
- Sum of all divisors σ(n): 74172672
- Sum of proper divisors (its aliquot sum) s(n): 45774848
- 28397824 is an abundant number, because the sum of its proper divisors (45774848) is greater than itself. Its abundance is 17377024
Bases of 28397824
- Binary: 11011000101010001000000002
- Hexadecimal: 0x1B15100
- Base-36: GWNWG
Squares and roots of 28397824
- 28397824 squared (283978242) is 806436407934976
- 28397824 cubed (283978243) is 22901039179729651892224
-
The
square root of 28397824 is 5328.9608743169 -
The
cube root of 28397824 is 305.0902680053
Scales and comparisons
How big is 28397824?- 28,397,824 seconds is equal to 46 weeks, 6 days, 16 hours, 17 minutes, 4 seconds.
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To count from 1 to 28,397,824 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 28397824 cubic inches would be around 25.4 feet tall.
Recreational maths with 28397824
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The information we have on file for 28397824 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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