12942540
12,942,540 is an even composite number composed of five prime numbers multiplied together.
12942540 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 12942540:
22 × 32 × 5 × 13 × 5531
(2 × 2 × 3 × 3 × 5 × 13 × 5531)See below for interesting mathematical facts about the number 12942540 from the Numbermatics database.
Names of 12942540
- Cardinal: 12942540 can be written as Twelve million, nine hundred forty-two thousand, five hundred forty.
Scientific notation
- Scientific notation: 1.294254 × 107
Factors of 12942540
Divisors of 12942540
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 3 4 5 6 9 10 12 13 15 18 20 26 30 36 39 45 52 60 65 78 90 117 130 156 180 195 234 260 390 468 585 780 1170 2340 5531 11062 16593 22124 27655 33186 49779 55310 66372 71903 82965 99558 110620 143806 165930 199116 215709 248895 287612 331860 359515 431418 497790 647127 719030 862836 995580 1078545 1294254 1438060 2157090 2588508 3235635 4314180 6471270 12942540
- Sum of all divisors σ(n): 42286608
- Sum of proper divisors (its aliquot sum) s(n): 29344068
- 12942540 is an abundant number, because the sum of its proper divisors (29344068) is greater than itself. Its abundance is 16401528
Bases of 12942540
- Binary: 1100010101111100110011002
- Hexadecimal: 0xC57CCC
- Base-36: 7PEJ0
Squares and roots of 12942540
- 12942540 squared (129425402) is 167509341651600
- 12942540 cubed (129425403) is 2167996354699499064000
-
The
square root of 12942540 is 3597.5741826959 -
The
cube root of 12942540 is 234.7865271309
Scales and comparisons
How big is 12942540?- 12,942,540 seconds is equal to 21 weeks, 2 days, 19 hours, 9 minutes.
-
To count from 1 to 12,942,540 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 12942540 cubic inches would be around 19.6 feet tall.
Recreational maths with 12942540
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The information we have on file for 12942540 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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