28470720
28,470,720 is an even composite number composed of five prime numbers multiplied together.
28470720 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twelve divisors.
Prime factorization of 28470720:
26 × 3 × 5 × 47 × 631
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 47 × 631)See below for interesting mathematical facts about the number 28470720 from the Numbermatics database.
Names of 28470720
- Cardinal: 28470720 can be written as Twenty-eight million, four hundred seventy thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.847072 × 107
Factors of 28470720
Divisors of 28470720
- Number of divisors d(n): 112
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 47 48 60 64 80 94 96 120 141 160 188 192 235 240 282 320 376 470 480 564 631 705 752 940 960 1128 1262 1410 1504 1880 1893 2256 2524 2820 3008 3155 3760 3786 4512 5048 5640 6310 7520 7572 9024 9465 10096 11280 12620 15040 15144 18930 20192 22560 25240 29657 30288 37860 40384 45120 50480 59314 60576 75720 88971 100960 118628 121152 148285 151440 177942 201920 237256 296570 302880 355884 444855 474512 593140 605760 711768 889710 949024 1186280 1423536 1779420 1898048 2372560 2847072 3558840 4745120 5694144 7117680 9490240 14235360 28470720
- Sum of all divisors σ(n): 92464128
- Sum of proper divisors (its aliquot sum) s(n): 63993408
- 28470720 is an abundant number, because the sum of its proper divisors (63993408) is greater than itself. Its abundance is 35522688
Bases of 28470720
- Binary: 11011001001101101110000002
- Hexadecimal: 0x1B26DC0
- Base-36: GY85C
Squares and roots of 28470720
- 28470720 squared (284707202) is 810581897318400
- 28470720 cubed (284707203) is 23077850235620917248000
-
The
square root of 28470720 is 5335.7960980531 -
The
cube root of 28470720 is 305.3510961785
Scales and comparisons
How big is 28470720?- 28,470,720 seconds is equal to 47 weeks, 12 hours, 32 minutes.
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To count from 1 to 28,470,720 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 28470720 cubic inches would be around 25.4 feet tall.
Recreational maths with 28470720
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The information we have on file for 28470720 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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