12978225
12,978,225 is an odd composite number composed of five prime numbers multiplied together.
12978225 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 12978225:
34 × 52 × 13 × 17 × 29
(3 × 3 × 3 × 3 × 5 × 5 × 13 × 17 × 29)See below for interesting mathematical facts about the number 12978225 from the Numbermatics database.
Names of 12978225
- Cardinal: 12978225 can be written as Twelve million, nine hundred seventy-eight thousand, two hundred twenty-five.
Scientific notation
- Scientific notation: 1.2978225 × 107
Factors of 12978225
Divisors of 12978225
- Number of divisors d(n): 120
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Complete list of divisors:
1 3 5 9 13 15 17 25 27 29 39 45 51 65 75 81 85 87 117 135 145 153 195 221 225 255 261 325 351 377 405 425 435 459 493 585 663 675 725 765 783 975 1053 1105 1131 1275 1305 1377 1479 1755 1885 1989 2025 2175 2295 2349 2465 2925 3315 3393 3825 3915 4437 5265 5525 5655 5967 6409 6525 6885 7395 8775 9425 9945 10179 11475 11745 12325 13311 16575 16965 17901 19227 19575 22185 26325 28275 29835 30537 32045 34425 36975 39933 49725 50895 57681 58725 66555 84825 89505 96135 110925 149175 152685 160225 173043 199665 254475 288405 332775 447525 480675 519129 763425 865215 998325 1442025 2595645 4326075 12978225
- Sum of all divisors σ(n): 28357560
- Sum of proper divisors (its aliquot sum) s(n): 15379335
- 12978225 is an abundant number, because the sum of its proper divisors (15379335) is greater than itself. Its abundance is 2401110
Bases of 12978225
- Binary: 1100011000001000001100012
- Hexadecimal: 0xC60831
- Base-36: 7Q629
Squares and roots of 12978225
- 12978225 squared (129782252) is 168434324150625
- 12978225 cubed (129782253) is 2185978556549745140625
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The
square root of 12978225 is 3602.5303607325 -
The
cube root of 12978225 is 235.0021125509
Scales and comparisons
How big is 12978225?- 12,978,225 seconds is equal to 21 weeks, 3 days, 5 hours, 3 minutes, 45 seconds.
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To count from 1 to 12,978,225 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 12978225 cubic inches would be around 19.6 feet tall.
Recreational maths with 12978225
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The information we have on file for 12978225 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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