1 million digits of PI 1 billion digits of PI Mandelbrot set Explorer

Number 138

Properties of the number 138

Prime Factorization	2 x 3 x 23
Divisors	1, 2, 3, 6, 23, 46, 69, 138
Count of divisors	8
Sum of divisors	288
Previous integer	137
Next integer	139
Is prime?	NO
Previous prime	137
Next prime	139
138^th prime number	↻ calculating, please wait
Is a Fibonacci number?	NO
138^th Fibonacci number	-6995022607166734336
Zeckendorf representation	89 + 34 + 13 + 2
Is a Pell number?	NO
Is a regular number?	NO
Is a perfect number?	NO
Is a perfect square number?	NO
Is a perfect cube number?	NO
Is power of 2?	NO
Is power of 3?	NO
Square 138²	19044
Square root √138	11.747340124471
Cube 138³	2628072
Cubic root ∛138	5.1676492523636
Natural logarithm	4.9272536851572
Decimal logarithm	2.1398790864012

Trigonometry of the number 138

138 modulo 360°	138°
Sine of 138 radians	-0.22805225950086
Cosine of 138 radians	0.97364889304952
Tangent of 138 radians	-0.23422432986761
Sine of 138 degrees	0.66913060635886
Cosine of 138 degrees	-0.74314482547739
Tangent of 138 degrees	-0.90040404429784
138 degrees in radiants	2.4085543677522
138 radiants in degrees	7906.8175728054

Base conversion of the number 138

Binary	10001010
Octal	212
Duodecimal	b6
Hexadecimal	8a

« Previous Next »

Recommended Books

Looking for good books to read? Take a look at these books if you want to know more about the theory of numbers

To guide today's students through the key milestones and developments in number theory

A comprehensive introduction to number theory, with complete proofs, worked examples, and exercises.

Several of its challenges are so easy to state that everyone can understand them, and yet no-one has ever been able to resolve them.

In addition to covering the basics, it offers an outstanding introduction to partitions, multiplicativity-divisibility, and more.