12187728
12,187,728 is an even composite number composed of five prime numbers multiplied together.
12187728 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 12187728:
24 × 32 × 7 × 107 × 113
(2 × 2 × 2 × 2 × 3 × 3 × 7 × 107 × 113)See below for interesting mathematical facts about the number 12187728 from the Numbermatics database.
Names of 12187728
- Cardinal: 12187728 can be written as Twelve million, one hundred eighty-seven thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 1.2187728 × 107
Factors of 12187728
Divisors of 12187728
- Number of divisors d(n): 120
-
Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 56 63 72 84 107 112 113 126 144 168 214 226 252 321 336 339 428 452 504 642 678 749 791 856 904 963 1008 1017 1284 1356 1498 1582 1712 1808 1926 2034 2247 2373 2568 2712 2996 3164 3852 4068 4494 4746 5136 5424 5992 6328 6741 7119 7704 8136 8988 9492 11984 12091 12656 13482 14238 15408 16272 17976 18984 24182 26964 28476 35952 36273 37968 48364 53928 56952 72546 84637 96728 107856 108819 113904 145092 169274 193456 217638 253911 290184 338548 435276 507822 580368 677096 761733 870552 1015644 1354192 1523466 1741104 2031288 3046932 4062576 6093864 12187728
- Sum of all divisors σ(n): 39693888
- Sum of proper divisors (its aliquot sum) s(n): 27506160
- 12187728 is an abundant number, because the sum of its proper divisors (27506160) is greater than itself. Its abundance is 15318432
Bases of 12187728
- Binary: 1011100111111000010100002
- Hexadecimal: 0xB9F850
- Base-36: 79840
Squares and roots of 12187728
- 12187728 squared (121877282) is 148540713801984
- 12187728 cubed (121877283) is 1810373816744426852352
-
The
square root of 12187728 is 3491.0926656279 -
The
cube root of 12187728 is 230.1305371155
Scales and comparisons
How big is 12187728?- 12,187,728 seconds is equal to 20 weeks, 1 day, 1 hour, 28 minutes, 48 seconds.
-
To count from 1 to 12,187,728 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 12187728 cubic inches would be around 19.2 feet tall.
Recreational maths with 12187728
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The information we have on file for 12187728 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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