689872

689,872 is an even composite number composed of two prime numbers multiplied together.

What does the number 689872 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 10 divisors.

689872 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of ten divisors.

Prime factorization of 689872:

2⁴ × 43117

(2 × 2 × 2 × 2 × 43117)

See below for interesting mathematical facts about the number 689872 from the Numbermatics database.

Names of 689872

Cardinal: 689872 can be written as Six hundred eighty-nine thousand, eight hundred seventy-two.

Scientific notation

Scientific notation: 6.89872 × 10⁵

Factors of 689872

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 5
Sum of prime factors: 43119

Divisors of 689872

Number of divisors d(n): 10
Complete list of divisors:
1 2 4 8 16 43117 86234 172468 344936 689872
Sum of all divisors σ(n): 1336658
Sum of proper divisors (its aliquot sum) s(n): 646786
689872 is a deficient number, because the sum of its proper divisors (646786) is less than itself. Its deficiency is 43086

Bases of 689872

Binary: 10101000011011010000₂
Hexadecimal: 0xA86D0
Base-36: ESB4

Squares and roots of 689872

689872 squared (689872²) is 475923376384
689872 cubed (689872³) is 328326211512782848
The square root of 689872 is 830.5853357723
The cube root of 689872 is 88.3600947355

Scales and comparisons

How big is 689872?

689,872 seconds is equal to 1 week, 23 hours, 37 minutes, 52 seconds.
To count from 1 to 689,872 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 689872 cubic inches would be around 7.4 feet tall.

Recreational maths with 689872

689872 backwards is 278986
The number of decimal digits it has is: 6
The sum of 689872's digits is 40
More coming soon!

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The information we have on file for 689872 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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