86391

86,391 is an odd composite number composed of three prime numbers multiplied together.

What does the number 86391 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

86391 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 86391:

3² × 29 × 331

(3 × 3 × 29 × 331)

See below for interesting mathematical facts about the number 86391 from the Numbermatics database.

Names of 86391

Cardinal: 86391 can be written as Eighty-six thousand, three hundred ninety-one.

Scientific notation

Scientific notation: 8.6391 × 10⁴

Factors of 86391

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 363

Divisors of 86391

Number of divisors d(n): 12
Complete list of divisors:
1 3 9 29 87 261 331 993 2979 9599 28797 86391
Sum of all divisors σ(n): 129480
Sum of proper divisors (its aliquot sum) s(n): 43089
86391 is a deficient number, because the sum of its proper divisors (43089) is less than itself. Its deficiency is 43302

Bases of 86391

Binary: 10101000101110111₂
Hexadecimal: 0x15177
Base-36: 1UNR

Squares and roots of 86391

86391 squared (86391²) is 7463404881
86391 cubed (86391³) is 644771011074471
The square root of 86391 is 293.9234594243
The cube root of 86391 is 44.2068429173

Scales and comparisons

How big is 86391?

86,391 seconds is equal to 23 hours, 59 minutes, 51 seconds.
To count from 1 to 86,391 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 86391 cubic inches would be around 3.7 feet tall.

Recreational maths with 86391

86391 backwards is 19368
The number of decimal digits it has is: 5
The sum of 86391's digits is 27
More coming soon!

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The information we have on file for 86391 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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