28397040
28,397,040 is an even composite number composed of five prime numbers multiplied together.
28397040 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 28397040:
24 × 3 × 5 × 7 × 16903
(2 × 2 × 2 × 2 × 3 × 5 × 7 × 16903)See below for interesting mathematical facts about the number 28397040 from the Numbermatics database.
Names of 28397040
- Cardinal: 28397040 can be written as Twenty-eight million, three hundred ninety-seven thousand and forty.
Scientific notation
- Scientific notation: 2.839704 × 107
Factors of 28397040
Divisors of 28397040
- Number of divisors d(n): 80
-
Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 48 56 60 70 80 84 105 112 120 140 168 210 240 280 336 420 560 840 1680 16903 33806 50709 67612 84515 101418 118321 135224 169030 202836 236642 253545 270448 338060 354963 405672 473284 507090 591605 676120 709926 811344 946568 1014180 1183210 1352240 1419852 1774815 1893136 2028360 2366420 2839704 3549630 4056720 4732840 5679408 7099260 9465680 14198520 28397040
- Sum of all divisors σ(n): 100612608
- Sum of proper divisors (its aliquot sum) s(n): 72215568
- 28397040 is an abundant number, because the sum of its proper divisors (72215568) is greater than itself. Its abundance is 43818528
Bases of 28397040
- Binary: 11011000101001101111100002
- Hexadecimal: 0x1B14DF0
- Base-36: GWNAO
Squares and roots of 28397040
- 28397040 squared (283970402) is 806391880761600
- 28397040 cubed (283970403) is 22899142493662385664000
-
The
square root of 28397040 is 5328.8873135019 -
The
cube root of 28397040 is 305.0874603609
Scales and comparisons
How big is 28397040?- 28,397,040 seconds is equal to 46 weeks, 6 days, 16 hours, 4 minutes.
-
To count from 1 to 28,397,040 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 28397040 cubic inches would be around 25.4 feet tall.
Recreational maths with 28397040
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The information we have on file for 28397040 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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