# Number 138

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## Description of the number 138

138 is a natural number (hence integer, rational and real) of 3 digits that follows 137 and precedes 139.

138 is an even number, since it is divisible by 2.

The number 138 is a unique number, with its own characteristics that, for some reason, has caught your attention. It is logical, we use numbers every day, in multiple ways and almost without realizing it, but knowing more about the number 138 can help you benefit from that knowledge, and be of great use. If you keep reading, we will give you all the facts you need to know about the number 138, you will see how many of them you already knew, but we are sure you will also discover some new ones.

## how to write 138 in letters?

Number 138 in English is written as one hundred thirty-eight
The number 138 is pronounced digit by digit as (1) one (3) three (8) eight.

## What are the divisors of 138?

The number 138 has 8 divisors, they are as follows:

The sum of its divisors, excluding the number itself is 150, so it is an abundant number and its abundance is 12

## Is 138 a prime number?

No, 138 is not a prime number since it has more divisors than 1 and the number itself

## What are the prime factors of 138?

The factorization into prime factors of 138 is:

21*31*231

## What is the square root of 138?

The square root of 138 is. 11.747340124471

## What is the square of 138?

The square of 138, the result of multiplying 138*138 is. 19044

## How to convert 138 to binary numbers?

The decimal number 138 into binary numbers is.10001010

## How to convert 138 to octal?

The decimal number 138 in octal numbers is212

## How to convert 138 to hexadecimal?

The decimal number 138 in hexadecimal numbers is8a

## What is the natural or neperian logarithm of 138?

The neperian or natural logarithm of 138 is.4.9272536851572

## What is the base 10 logarithm of 138?

The base 10 logarithm of 138 is2.1398790864012

## What are the trigonometric properties of 138?

### What is the sine of 138?

The sine of 138 radians is.-0.22805225950086

### What is the cosine of 138?

The cosine of 138 radians is. 0.97364889304952

### What is the tangent of 138?

The tangent of 138 radians is.-0.23422432986761