668680

668,680 is an even composite number composed of four prime numbers multiplied together.

What does the number 668680 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 32 divisors.

668680 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 668680:

2³ × 5 × 73 × 229

(2 × 2 × 2 × 5 × 73 × 229)

See below for interesting mathematical facts about the number 668680 from the Numbermatics database.

Names of 668680

Cardinal: 668680 can be written as Six hundred sixty-eight thousand, six hundred eighty.

Scientific notation

Scientific notation: 6.6868 × 10⁵

Factors of 668680

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 309

Divisors of 668680

Number of divisors d(n): 32
Complete list of divisors:
1 2 4 5 8 10 20 40 73 146 229 292 365 458 584 730 916 1145 1460 1832 2290 2920 4580 9160 16717 33434 66868 83585 133736 167170 334340 668680
Sum of all divisors σ(n): 1531800
Sum of proper divisors (its aliquot sum) s(n): 863120
668680 is an abundant number, because the sum of its proper divisors (863120) is greater than itself. Its abundance is 194440

Bases of 668680

Binary: 10100011010000001000₂
Hexadecimal: 0xA3408
Base-36: EBYG

Squares and roots of 668680

668680 squared (668680²) is 447132942400
668680 cubed (668680³) is 298988855924032000
The square root of 668680 is 817.7285613209
The cube root of 668680 is 87.4458985287

Scales and comparisons

How big is 668680?

668,680 seconds is equal to 1 week, 17 hours, 44 minutes, 40 seconds.
To count from 1 to 668,680 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 668680 cubic inches would be around 7.3 feet tall.

Recreational maths with 668680

668680 backwards is 086866
The number of decimal digits it has is: 6
The sum of 668680's digits is 34
More coming soon!

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The information we have on file for 668680 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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