261138

261,138 is an even composite number composed of four prime numbers multiplied together.

What does the number 261138 look like?

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

261138 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 261138:

2 × 3 × 71 × 613

See below for interesting mathematical facts about the number 261138 from the Numbermatics database.

Names of 261138

Cardinal: 261138 can be written as Two hundred sixty-one thousand, one hundred thirty-eight.

Scientific notation

Scientific notation: 2.61138 × 10⁵

Factors of 261138

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 689

Divisors of 261138

Number of divisors d(n): 16
Complete list of divisors:
1 2 3 6 71 142 213 426 613 1226 1839 3678 43523 87046 130569 261138
Sum of all divisors σ(n): 530496
Sum of proper divisors (its aliquot sum) s(n): 269358
261138 is an abundant number, because the sum of its proper divisors (269358) is greater than itself. Its abundance is 8220

Bases of 261138

Binary: 111111110000010010₂
Hexadecimal: 0x3FC12
Base-36: 5LHU

Squares and roots of 261138

261138 squared (261138²) is 68193055044
261138 cubed (261138³) is 17807798008080072
The square root of 261138 is 511.0166337801
The cube root of 261138 is 63.9180265607

Scales and comparisons

How big is 261138?

261,138 seconds is equal to 3 days, 32 minutes, 18 seconds.
To count from 1 to 261,138 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 261138 cubic inches would be around 5.3 feet tall.

Recreational maths with 261138

261138 backwards is 831162
The number of decimal digits it has is: 6
The sum of 261138's digits is 21
More coming soon!

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The information we have on file for 261138 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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