12138672
12,138,672 is an even composite number composed of five prime numbers multiplied together.
12138672 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 12138672:
24 × 3 × 72 × 13 × 397
(2 × 2 × 2 × 2 × 3 × 7 × 7 × 13 × 397)See below for interesting mathematical facts about the number 12138672 from the Numbermatics database.
Names of 12138672
- Cardinal: 12138672 can be written as Twelve million, one hundred thirty-eight thousand, six hundred seventy-two.
Scientific notation
- Scientific notation: 1.2138672 × 107
Factors of 12138672
Divisors of 12138672
- Number of divisors d(n): 120
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Complete list of divisors:
1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 39 42 48 49 52 56 78 84 91 98 104 112 147 156 168 182 196 208 273 294 312 336 364 392 397 546 588 624 637 728 784 794 1092 1176 1191 1274 1456 1588 1911 2184 2352 2382 2548 2779 3176 3822 4368 4764 5096 5161 5558 6352 7644 8337 9528 10192 10322 11116 15288 15483 16674 19056 19453 20644 22232 30576 30966 33348 36127 38906 41288 44464 58359 61932 66696 72254 77812 82576 108381 116718 123864 133392 144508 155624 216762 233436 247728 252889 289016 311248 433524 466872 505778 578032 758667 867048 933744 1011556 1517334 1734096 2023112 3034668 4046224 6069336 12138672
- Sum of all divisors σ(n): 39382896
- Sum of proper divisors (its aliquot sum) s(n): 27244224
- 12138672 is an abundant number, because the sum of its proper divisors (27244224) is greater than itself. Its abundance is 15105552
Bases of 12138672
- Binary: 1011100100111000101100002
- Hexadecimal: 0xB938B0
- Base-36: 7869C
Squares and roots of 12138672
- 12138672 squared (121386722) is 147347357923584
- 12138672 cubed (121386723) is 1788601247900987240448
-
The
square root of 12138672 is 3484.0597009813 -
The
cube root of 12138672 is 229.8213609733
Scales and comparisons
How big is 12138672?- 12,138,672 seconds is equal to 20 weeks, 11 hours, 51 minutes, 12 seconds.
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To count from 1 to 12,138,672 would take you about thirty 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 12138672 cubic inches would be around 19.2 feet tall.
Recreational maths with 12138672
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The information we have on file for 12138672 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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