13256820
13,256,820 is an even composite number composed of five prime numbers multiplied together.
13256820 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 13256820:
22 × 32 × 5 × 47 × 1567
(2 × 2 × 3 × 3 × 5 × 47 × 1567)See below for interesting mathematical facts about the number 13256820 from the Numbermatics database.
Names of 13256820
- Cardinal: 13256820 can be written as Thirteen million, two hundred fifty-six thousand, eight hundred twenty.
Scientific notation
- Scientific notation: 1.325682 × 107
Factors of 13256820
Divisors of 13256820
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 47 60 90 94 141 180 188 235 282 423 470 564 705 846 940 1410 1567 1692 2115 2820 3134 4230 4701 6268 7835 8460 9402 14103 15670 18804 23505 28206 31340 47010 56412 70515 73649 94020 141030 147298 220947 282060 294596 368245 441894 662841 736490 883788 1104735 1325682 1472980 2209470 2651364 3314205 4418940 6628410 13256820
- Sum of all divisors σ(n): 41094144
- Sum of proper divisors (its aliquot sum) s(n): 27837324
- 13256820 is an abundant number, because the sum of its proper divisors (27837324) is greater than itself. Its abundance is 14580504
Bases of 13256820
- Binary: 1100101001001000011101002
- Hexadecimal: 0xCA4874
- Base-36: 7W510
Squares and roots of 13256820
- 13256820 squared (132568202) is 175743276512400
- 13256820 cubed (132568203) is 2329796982935114568000
-
The
square root of 13256820 is 3640.9916231711 -
The
cube root of 13256820 is 236.6717669557
Scales and comparisons
How big is 13256820?- 13,256,820 seconds is equal to 21 weeks, 6 days, 10 hours, 27 minutes.
-
To count from 1 to 13,256,820 would take you about thirty-two 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 13256820 cubic inches would be around 19.7 feet tall.
Recreational maths with 13256820
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The information we have on file for 13256820 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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