261225

261,225 is an odd composite number composed of three prime numbers multiplied together.

What does the number 261225 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 36 divisors.

261225 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of thirty-six divisors.

Prime factorization of 261225:

3⁵ × 5² × 43

(3 × 3 × 3 × 3 × 3 × 5 × 5 × 43)

See below for interesting mathematical facts about the number 261225 from the Numbermatics database.

Names of 261225

Cardinal: 261225 can be written as Two hundred sixty-one thousand, two hundred twenty-five.

Scientific notation

Scientific notation: 2.61225 × 10⁵

Factors of 261225

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 8
Sum of prime factors: 51

Divisors of 261225

Number of divisors d(n): 36
Complete list of divisors:
1 3 5 9 15 25 27 43 45 75 81 129 135 215 225 243 387 405 645 675 1075 1161 1215 1935 2025 3225 3483 5805 6075 9675 10449 17415 29025 52245 87075 261225
Sum of all divisors σ(n): 496496
Sum of proper divisors (its aliquot sum) s(n): 235271
261225 is a deficient number, because the sum of its proper divisors (235271) is less than itself. Its deficiency is 25954

Bases of 261225

Binary: 111111110001101001₂
Hexadecimal: 0x3FC69
Base-36: 5LK9

Squares and roots of 261225

261225 squared (261225²) is 68238500625
261225 cubed (261225³) is 17825602325765625
The square root of 261225 is 511.1017511221
The cube root of 261225 is 63.9251240225

Scales and comparisons

How big is 261225?

261,225 seconds is equal to 3 days, 33 minutes, 45 seconds.
To count from 1 to 261,225 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 261225 cubic inches would be around 5.3 feet tall.

Recreational maths with 261225

261225 backwards is 522162
The number of decimal digits it has is: 6
The sum of 261225's digits is 18
More coming soon!

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The information we have on file for 261225 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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