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

Number 72

Properties of the number 72

Prime Factorization 23 x 32
Divisors 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72
Count of divisors 12
Sum of divisors 195
Previous integer 71
Next integer 73
Is prime? NO
Previous prime 71
Next prime 73
72nd prime number
calculating, please wait
Is a Fibonacci number? NO
72nd Fibonacci number 498454011879264
Zeckendorf representation 55 + 13 + 3 + 1
Is a Pell number? NO
Is a regular number? YES
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
Factorial 72! 6.1234458376886E+103
Square 722 5184
Square root √72 8.4852813742386
Cube 723 373248
Cubic root ∛72 4.1601676461038
Natural logarithm 4.2766661190161
Decimal logarithm 1.8573324964313

Trigonometry of the number 72

72 modulo 360° 72°
Sine of 72 radians 0.25382336276204
Cosine of 72 radians -0.96725058827388
Tangent of 72 radians -0.26241737750194
Sine of 72 degrees 0.95105651629515
Cosine of 72 degrees 0.30901699437495
Tangent of 72 degrees 3.0776835371753
72 degrees in radiants 1.2566370614359
72 radiants in degrees 4125.2961249419

Base conversion of the number 72

Binary 1001000
Octal 110
Duodecimal 60
Hexadecimal 48
« 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
Read it »
A comprehensive introduction to number theory, with complete proofs, worked examples, and exercises.
Read it »
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.
Read it »
In addition to covering the basics, it offers an outstanding introduction to partitions, multiplicativity-divisibility, and more.
Read it »