12690400
12,690,400 is an even composite number composed of four prime numbers multiplied together.
12690400 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 12690400:
25 × 52 × 29 × 547
(2 × 2 × 2 × 2 × 2 × 5 × 5 × 29 × 547)See below for interesting mathematical facts about the number 12690400 from the Numbermatics database.
Names of 12690400
- Cardinal: 12690400 can be written as Twelve million, six hundred ninety thousand, four hundred.
Scientific notation
- Scientific notation: 1.26904 × 107
Factors of 12690400
Divisors of 12690400
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 4 5 8 10 16 20 25 29 32 40 50 58 80 100 116 145 160 200 232 290 400 464 547 580 725 800 928 1094 1160 1450 2188 2320 2735 2900 4376 4640 5470 5800 8752 10940 11600 13675 15863 17504 21880 23200 27350 31726 43760 54700 63452 79315 87520 109400 126904 158630 218800 253808 317260 396575 437600 507616 634520 793150 1269040 1586300 2538080 3172600 6345200 12690400
- Sum of all divisors σ(n): 32107320
- Sum of proper divisors (its aliquot sum) s(n): 19416920
- 12690400 is an abundant number, because the sum of its proper divisors (19416920) is greater than itself. Its abundance is 6726520
Bases of 12690400
- Binary: 1100000110100011111000002
- Hexadecimal: 0xC1A3E0
- Base-36: 7JZZ4
Squares and roots of 12690400
- 12690400 squared (126904002) is 161046252160000
- 12690400 cubed (126904003) is 2043741358411264000000
-
The
square root of 12690400 is 3562.3587691305 -
The
cube root of 12690400 is 233.2518536369
Scales and comparisons
How big is 12690400?- 12,690,400 seconds is equal to 20 weeks, 6 days, 21 hours, 6 minutes, 40 seconds.
-
To count from 1 to 12,690,400 would take you about thirty-one 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 12690400 cubic inches would be around 19.4 feet tall.
Recreational maths with 12690400
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The information we have on file for 12690400 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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