12991264
12,991,264 is an even composite number composed of five prime numbers multiplied together.
12991264 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 12991264:
25 × 11 × 13 × 17 × 167
(2 × 2 × 2 × 2 × 2 × 11 × 13 × 17 × 167)See below for interesting mathematical facts about the number 12991264 from the Numbermatics database.
Names of 12991264
- Cardinal: 12991264 can be written as Twelve million, nine hundred ninety-one thousand, two hundred sixty-four.
Scientific notation
- Scientific notation: 1.2991264 × 107
Factors of 12991264
Divisors of 12991264
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 4 8 11 13 16 17 22 26 32 34 44 52 68 88 104 136 143 167 176 187 208 221 272 286 334 352 374 416 442 544 572 668 748 884 1144 1336 1496 1768 1837 2171 2288 2431 2672 2839 2992 3536 3674 4342 4576 4862 5344 5678 5984 7072 7348 8684 9724 11356 14696 17368 19448 22712 23881 29392 31229 34736 36907 38896 45424 47762 58784 62458 69472 73814 77792 90848 95524 124916 147628 191048 249832 295256 382096 405977 499664 590512 764192 811954 999328 1181024 1623908 3247816 6495632 12991264
- Sum of all divisors σ(n): 32006016
- Sum of proper divisors (its aliquot sum) s(n): 19014752
- 12991264 is an abundant number, because the sum of its proper divisors (19014752) is greater than itself. Its abundance is 6023488
Bases of 12991264
- Binary: 1100011000111011001000002
- Hexadecimal: 0xC63B20
- Base-36: 7QG4G
Squares and roots of 12991264
- 12991264 squared (129912642) is 168772940317696
- 12991264 cubed (129912643) is 2192573823723432607744
-
The
square root of 12991264 is 3604.3396066407 -
The
cube root of 12991264 is 235.0807870727
Scales and comparisons
How big is 12991264?- 12,991,264 seconds is equal to 21 weeks, 3 days, 8 hours, 41 minutes, 4 seconds.
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To count from 1 to 12,991,264 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 12991264 cubic inches would be around 19.6 feet tall.
Recreational maths with 12991264
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