688142

688,142 is an even composite number composed of five prime numbers multiplied together.

What does the number 688142 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 32 divisors.

688142 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 688142:

2 × 7 × 13 × 19 × 199

See below for interesting mathematical facts about the number 688142 from the Numbermatics database.

Names of 688142

Cardinal: 688142 can be written as Six hundred eighty-eight thousand, one hundred forty-two.

Scientific notation

Scientific notation: 6.88142 × 10⁵

Factors of 688142

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 5
Sum of prime factors: 240

Divisors of 688142

Number of divisors d(n): 32
Complete list of divisors:
1 2 7 13 14 19 26 38 91 133 182 199 247 266 398 494 1393 1729 2587 2786 3458 3781 5174 7562 18109 26467 36218 49153 52934 98306 344071 688142
Sum of all divisors σ(n): 1344000
Sum of proper divisors (its aliquot sum) s(n): 655858
688142 is a deficient number, because the sum of its proper divisors (655858) is less than itself. Its deficiency is 32284

Bases of 688142

Binary: 10101000000000001110₂
Hexadecimal: 0xA800E
Base-36: EQZ2

Squares and roots of 688142

688142 squared (688142²) is 473539412164
688142 cubed (688142³) is 325862358165359288
The square root of 688142 is 829.5432478177
The cube root of 688142 is 88.2861723651

Scales and comparisons

How big is 688142?

688,142 seconds is equal to 1 week, 23 hours, 9 minutes, 2 seconds.
To count from 1 to 688,142 would take you about twenty-three 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 688142 cubic inches would be around 7.4 feet tall.

Recreational maths with 688142

688142 backwards is 241886
The number of decimal digits it has is: 6
The sum of 688142's digits is 29
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The information we have on file for 688142 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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