320991

320,991 is an odd composite number composed of four prime numbers multiplied together.

What does the number 320991 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.

320991 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 320991:

3 × 11 × 71 × 137

See below for interesting mathematical facts about the number 320991 from the Numbermatics database.

Names of 320991

Cardinal: 320991 can be written as Three hundred twenty thousand, nine hundred ninety-one.

Scientific notation

Scientific notation: 3.20991 × 10⁵

Factors of 320991

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 222

Divisors of 320991

Number of divisors d(n): 16
Complete list of divisors:
1 3 11 33 71 137 213 411 781 1507 2343 4521 9727 29181 106997 320991
Sum of all divisors σ(n): 476928
Sum of proper divisors (its aliquot sum) s(n): 155937
320991 is a deficient number, because the sum of its proper divisors (155937) is less than itself. Its deficiency is 165054

Bases of 320991

Binary: 1001110010111011111₂
Hexadecimal: 0x4E5DF
Base-36: 6VOF

Squares and roots of 320991

320991 squared (320991²) is 103035222081
320991 cubed (320991³) is 33073378971002271
The square root of 320991 is 566.5606763623
The cube root of 320991 is 68.4695728613

Scales and comparisons

How big is 320991?

320,991 seconds is equal to 3 days, 17 hours, 9 minutes, 51 seconds.
To count from 1 to 320,991 would take you about three days.

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 320991 cubic inches would be around 5.7 feet tall.

Recreational maths with 320991

320991 backwards is 199023
The number of decimal digits it has is: 6
The sum of 320991's digits is 24
More coming soon!

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The information we have on file for 320991 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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