265

265 is an odd composite number composed of two prime numbers multiplied together.

What does the number 265 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

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

Prime factorization of 265:

5 × 53

See below for interesting mathematical facts about the number 265 from the Numbermatics database.

Names of 265

Cardinal: 265 can be written as Two hundred sixty-five.

Scientific notation

Scientific notation: 2.65 × 10²

Factors of 265

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 2
Sum of prime factors: 58

Divisors of 265

Number of divisors d(n): 4
Complete list of divisors:
1 5 53 265
Sum of all divisors σ(n): 324
Sum of proper divisors (its aliquot sum) s(n): 59
265 is a deficient number, because the sum of its proper divisors (59) is less than itself. Its deficiency is 206

Bases of 265

Binary: 100001001₂
Hexadecimal: 0x109
Base-36: 7D

Squares and roots of 265

265 squared (265²) is 70225
265 cubed (265³) is 18609625
The square root of 265 is 16.2788205961
The cube root of 265 is 6.4231582887

Scales and comparisons

How big is 265?

265 seconds is equal to 4 minutes, 25 seconds.
To count from 1 to 265 would take you about two minutes.

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 265 cubic inches would be around 0.5 feet tall.

Recreational maths with 265

265 backwards is 562
The number of decimal digits it has is: 3
The sum of 265's digits is 13
More coming soon!

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The information we have on file for 265 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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