668688

668,688 is an even composite number composed of three prime numbers multiplied together.

What does the number 668688 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 20 divisors.

668688 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty divisors.

Prime factorization of 668688:

2⁴ × 3 × 13931

(2 × 2 × 2 × 2 × 3 × 13931)

See below for interesting mathematical facts about the number 668688 from the Numbermatics database.

Names of 668688

Cardinal: 668688 can be written as Six hundred sixty-eight thousand, six hundred eighty-eight.

Scientific notation

Scientific notation: 6.68688 × 10⁵

Factors of 668688

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 6
Sum of prime factors: 13936

Divisors of 668688

Number of divisors d(n): 20
Complete list of divisors:
1 2 3 4 6 8 12 16 24 48 13931 27862 41793 55724 83586 111448 167172 222896 334344 668688
Sum of all divisors σ(n): 1727568
Sum of proper divisors (its aliquot sum) s(n): 1058880
668688 is an abundant number, because the sum of its proper divisors (1058880) is greater than itself. Its abundance is 390192

Bases of 668688

Binary: 10100011010000010000₂
Hexadecimal: 0xA3410
Base-36: EBYO

Squares and roots of 668688

668688 squared (668688²) is 447143641344
668688 cubed (668688³) is 298999587243036672
The square root of 668688 is 817.7334529051
The cube root of 668688 is 87.4462472577

Scales and comparisons

How big is 668688?

668,688 seconds is equal to 1 week, 17 hours, 44 minutes, 48 seconds.
To count from 1 to 668,688 would take you about seventeen 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 668688 cubic inches would be around 7.3 feet tall.

Recreational maths with 668688

668688 backwards is 886866
The number of decimal digits it has is: 6
The sum of 668688's digits is 42
More coming soon!

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The information we have on file for 668688 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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