320385

320,385 is an odd composite number composed of five prime numbers multiplied together.

What does the number 320385 look like?

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

320385 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 320385:

3 × 5 × 13 × 31 × 53

See below for interesting mathematical facts about the number 320385 from the Numbermatics database.

Names of 320385

Cardinal: 320385 can be written as Three hundred twenty thousand, three hundred eighty-five.

Scientific notation

Scientific notation: 3.20385 × 10⁵

Factors of 320385

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 5
Sum of prime factors: 105

Divisors of 320385

Number of divisors d(n): 32
Complete list of divisors:
1 3 5 13 15 31 39 53 65 93 155 159 195 265 403 465 689 795 1209 1643 2015 2067 3445 4929 6045 8215 10335 21359 24645 64077 106795 320385
Sum of all divisors σ(n): 580608
Sum of proper divisors (its aliquot sum) s(n): 260223
320385 is a deficient number, because the sum of its proper divisors (260223) is less than itself. Its deficiency is 60162

Bases of 320385

Binary: 1001110001110000001₂
Hexadecimal: 0x4E381
Base-36: 6V7L

Squares and roots of 320385

320385 squared (320385²) is 102646548225
320385 cubed (320385³) is 32886414353066625
The square root of 320385 is 566.0256177947
The cube root of 320385 is 68.4264577377

Scales and comparisons

How big is 320385?

320,385 seconds is equal to 3 days, 16 hours, 59 minutes, 45 seconds.
To count from 1 to 320,385 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 320385 cubic inches would be around 5.7 feet tall.

Recreational maths with 320385

320385 backwards is 583023
The number of decimal digits it has is: 6
The sum of 320385's digits is 21
More coming soon!

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The information we have on file for 320385 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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