13987920
13,987,920 is an even composite number composed of five prime numbers multiplied together.
13987920 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 13987920:
24 × 3 × 5 × 167 × 349
(2 × 2 × 2 × 2 × 3 × 5 × 167 × 349)See below for interesting mathematical facts about the number 13987920 from the Numbermatics database.
Names of 13987920
- Cardinal: 13987920 can be written as Thirteen million, nine hundred eighty-seven thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.398792 × 107
Factors of 13987920
Divisors of 13987920
- Number of divisors d(n): 80
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 167 240 334 349 501 668 698 835 1002 1047 1336 1396 1670 1745 2004 2094 2505 2672 2792 3340 3490 4008 4188 5010 5235 5584 6680 6980 8016 8376 10020 10470 13360 13960 16752 20040 20940 27920 40080 41880 58283 83760 116566 174849 233132 291415 349698 466264 582830 699396 874245 932528 1165660 1398792 1748490 2331320 2797584 3496980 4662640 6993960 13987920
- Sum of all divisors σ(n): 43747200
- Sum of proper divisors (its aliquot sum) s(n): 29759280
- 13987920 is an abundant number, because the sum of its proper divisors (29759280) is greater than itself. Its abundance is 15771360
Bases of 13987920
- Binary: 1101010101110000010100002
- Hexadecimal: 0xD57050
- Base-36: 8BT5C
Squares and roots of 13987920
- 13987920 squared (139879202) is 195661905926400
- 13987920 cubed (139879203) is 2736903087146009088000
-
The
square root of 13987920 is 3740.0427805039 -
The
cube root of 13987920 is 240.9448861879
Scales and comparisons
How big is 13987920?- 13,987,920 seconds is equal to 23 weeks, 21 hours, 32 minutes.
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To count from 1 to 13,987,920 would take you about thirty-four 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 13987920 cubic inches would be around 20.1 feet tall.
Recreational maths with 13987920
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The information we have on file for 13987920 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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