12689664
12,689,664 is an even composite number composed of five prime numbers multiplied together.
12689664 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 12689664:
28 × 3 × 13 × 31 × 41
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 13 × 31 × 41)See below for interesting mathematical facts about the number 12689664 from the Numbermatics database.
Names of 12689664
- Cardinal: 12689664 can be written as Twelve million, six hundred eighty-nine thousand, six hundred sixty-four.
Scientific notation
- Scientific notation: 1.2689664 × 107
Factors of 12689664
Divisors of 12689664
- Number of divisors d(n): 144
-
Complete list of divisors:
1 2 3 4 6 8 12 13 16 24 26 31 32 39 41 48 52 62 64 78 82 93 96 104 123 124 128 156 164 186 192 208 246 248 256 312 328 372 384 403 416 492 496 533 624 656 744 768 806 832 984 992 1066 1209 1248 1271 1312 1488 1599 1612 1664 1968 1984 2132 2418 2496 2542 2624 2976 3198 3224 3328 3813 3936 3968 4264 4836 4992 5084 5248 5952 6396 6448 7626 7872 7936 8528 9672 9984 10168 10496 11904 12792 12896 15252 15744 16523 17056 19344 20336 23808 25584 25792 30504 31488 33046 34112 38688 40672 49569 51168 51584 61008 66092 68224 77376 81344 99138 102336 103168 122016 132184 136448 154752 162688 198276 204672 244032 264368 309504 325376 396552 409344 488064 528736 793104 976128 1057472 1586208 2114944 3172416 4229888 6344832 12689664
- Sum of all divisors σ(n): 38459904
- Sum of proper divisors (its aliquot sum) s(n): 25770240
- 12689664 is an abundant number, because the sum of its proper divisors (25770240) is greater than itself. Its abundance is 13080576
Bases of 12689664
- Binary: 1100000110100001000000002
- Hexadecimal: 0xC1A100
- Base-36: 7JZEO
Squares and roots of 12689664
- 12689664 squared (126896642) is 161027572432896
- 12689664 cubed (126896643) is 2043385788909112786944
-
The
square root of 12689664 is 3562.2554652917 -
The
cube root of 12689664 is 233.2473442785
Scales and comparisons
How big is 12689664?- 12,689,664 seconds is equal to 20 weeks, 6 days, 20 hours, 54 minutes, 24 seconds.
-
To count from 1 to 12,689,664 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 12689664 cubic inches would be around 19.4 feet tall.
Recreational maths with 12689664
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