668408

668,408 is an even composite number composed of three prime numbers multiplied together.

What does the number 668408 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 16 divisors.

668408 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 668408:

2³ × 13 × 6427

(2 × 2 × 2 × 13 × 6427)

See below for interesting mathematical facts about the number 668408 from the Numbermatics database.

Names of 668408

Cardinal: 668408 can be written as Six hundred sixty-eight thousand, four hundred eight.

Scientific notation

Scientific notation: 6.68408 × 10⁵

Factors of 668408

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 6442

Divisors of 668408

Number of divisors d(n): 16
Complete list of divisors:
1 2 4 8 13 26 52 104 6427 12854 25708 51416 83551 167102 334204 668408
Sum of all divisors σ(n): 1349880
Sum of proper divisors (its aliquot sum) s(n): 681472
668408 is an abundant number, because the sum of its proper divisors (681472) is greater than itself. Its abundance is 13064

Bases of 668408

Binary: 10100011001011111000₂
Hexadecimal: 0xA32F8
Base-36: EBQW

Squares and roots of 668408

668408 squared (668408²) is 446769254464
668408 cubed (668408³) is 298624143837773312
The square root of 668408 is 817.5622300473
The cube root of 668408 is 87.4340400861

Scales and comparisons

How big is 668408?

668,408 seconds is equal to 1 week, 17 hours, 40 minutes, 8 seconds.
To count from 1 to 668,408 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 668408 cubic inches would be around 7.3 feet tall.

Recreational maths with 668408

668408 backwards is 804866
The number of decimal digits it has is: 6
The sum of 668408's digits is 32
More coming soon!

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The information we have on file for 668408 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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