13385840
13,385,840 is an even composite number composed of five prime numbers multiplied together.
13385840 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 13385840:
24 × 5 × 13 × 61 × 211
(2 × 2 × 2 × 2 × 5 × 13 × 61 × 211)See below for interesting mathematical facts about the number 13385840 from the Numbermatics database.
Names of 13385840
- Cardinal: 13385840 can be written as Thirteen million, three hundred eighty-five thousand, eight hundred forty.
Scientific notation
- Scientific notation: 1.338584 × 107
Factors of 13385840
Divisors of 13385840
- Number of divisors d(n): 80
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Complete list of divisors:
1 2 4 5 8 10 13 16 20 26 40 52 61 65 80 104 122 130 208 211 244 260 305 422 488 520 610 793 844 976 1040 1055 1220 1586 1688 2110 2440 2743 3172 3376 3965 4220 4880 5486 6344 7930 8440 10972 12688 12871 13715 15860 16880 21944 25742 27430 31720 43888 51484 54860 63440 64355 102968 109720 128710 167323 205936 219440 257420 334646 514840 669292 836615 1029680 1338584 1673230 2677168 3346460 6692920 13385840
- Sum of all divisors σ(n): 34226976
- Sum of proper divisors (its aliquot sum) s(n): 20841136
- 13385840 is an abundant number, because the sum of its proper divisors (20841136) is greater than itself. Its abundance is 7455296
Bases of 13385840
- Binary: 1100110001000000011100002
- Hexadecimal: 0xCC4070
- Base-36: 7YWKW
Squares and roots of 13385840
- 13385840 squared (133858402) is 179180712505600
- 13385840 cubed (133858403) is 2398484348685960704000
-
The
square root of 13385840 is 3658.6664237123 -
The
cube root of 13385840 is 237.4370802853
Scales and comparisons
How big is 13385840?- 13,385,840 seconds is equal to 22 weeks, 22 hours, 17 minutes, 20 seconds.
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To count from 1 to 13,385,840 would take you about thirty-three 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 13385840 cubic inches would be around 19.8 feet tall.
Recreational maths with 13385840
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The information we have on file for 13385840 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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