664768

664,768 is an even composite number composed of four prime numbers multiplied together.

What does the number 664768 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 56 divisors.

664768 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of fifty-six divisors.

Prime factorization of 664768:

2⁶ × 13 × 17 × 47

(2 × 2 × 2 × 2 × 2 × 2 × 13 × 17 × 47)

See below for interesting mathematical facts about the number 664768 from the Numbermatics database.

Names of 664768

Cardinal: 664768 can be written as Six hundred sixty-four thousand, seven hundred sixty-eight.

Scientific notation

Scientific notation: 6.64768 × 10⁵

Factors of 664768

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 9
Sum of prime factors: 79

Divisors of 664768

Number of divisors d(n): 56
Complete list of divisors:
1 2 4 8 13 16 17 26 32 34 47 52 64 68 94 104 136 188 208 221 272 376 416 442 544 611 752 799 832 884 1088 1222 1504 1598 1768 2444 3008 3196 3536 4888 6392 7072 9776 10387 12784 14144 19552 20774 25568 39104 41548 51136 83096 166192 332384 664768
Sum of all divisors σ(n): 1536192
Sum of proper divisors (its aliquot sum) s(n): 871424
664768 is an abundant number, because the sum of its proper divisors (871424) is greater than itself. Its abundance is 206656

Bases of 664768

Binary: 10100010010011000000₂
Hexadecimal: 0xA24C0
Base-36: E8XS

Squares and roots of 664768

664768 squared (664768²) is 441916493824
664768 cubed (664768³) is 293771943766392832
The square root of 664768 is 815.3330607795
The cube root of 664768 is 87.2750357133

Scales and comparisons

How big is 664768?

664,768 seconds is equal to 1 week, 16 hours, 39 minutes, 28 seconds.
To count from 1 to 664,768 would take you about sixteen hours!

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 664768 cubic inches would be around 7.3 feet tall.

Recreational maths with 664768

664768 backwards is 867466
The number of decimal digits it has is: 6
The sum of 664768's digits is 37
More coming soon!

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The information we have on file for 664768 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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