13668864
13,668,864 is an even composite number composed of four prime numbers multiplied together.
13668864 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 13668864:
29 × 3 × 11 × 809
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 11 × 809)See below for interesting mathematical facts about the number 13668864 from the Numbermatics database.
Names of 13668864
- Cardinal: 13668864 can be written as Thirteen million, six hundred sixty-eight thousand, eight hundred sixty-four.
Scientific notation
- Scientific notation: 1.3668864 × 107
Factors of 13668864
Divisors of 13668864
- Number of divisors d(n): 80
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Complete list of divisors:
1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 64 66 88 96 128 132 176 192 256 264 352 384 512 528 704 768 809 1056 1408 1536 1618 2112 2427 2816 3236 4224 4854 5632 6472 8448 8899 9708 12944 16896 17798 19416 25888 26697 35596 38832 51776 53394 71192 77664 103552 106788 142384 155328 207104 213576 284768 310656 414208 427152 569536 621312 854304 1139072 1242624 1708608 2278144 3417216 4556288 6834432 13668864
- Sum of all divisors σ(n): 39774240
- Sum of proper divisors (its aliquot sum) s(n): 26105376
- 13668864 is an abundant number, because the sum of its proper divisors (26105376) is greater than itself. Its abundance is 12436512
Bases of 13668864
- Binary: 1101000010010010000000002
- Hexadecimal: 0xD09200
- Base-36: 84YYO
Squares and roots of 13668864
- 13668864 squared (136688642) is 186837843050496
- 13668864 cubed (136688643) is 2553861066710574956544
-
The
square root of 13668864 is 3697.1426805037 -
The
cube root of 13668864 is 239.0988427725
Scales and comparisons
How big is 13668864?- 13,668,864 seconds is equal to 22 weeks, 4 days, 4 hours, 54 minutes, 24 seconds.
-
To count from 1 to 13,668,864 would take you about thirty-three 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 13668864 cubic inches would be around 19.9 feet tall.
Recreational maths with 13668864
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