Discover a lot of information on the number 30: properties, mathematical operations, how to write it, symbolism, numerology, representations and many other interesting things!

## Mathematical properties of 30

Is 30 a prime number? No
Is 30 a perfect number? No
Number of divisors 8
List of dividers 1, 2, 3, 5, 6, 10, 15, 30
Sum of divisors 72
Prime factorization 2 x 3 x 5
Prime factors 2, 3, 5

## How to write / spell 30 in letters?

In letters, the number 30 is written as: Thirty. And in other languages? how does it spell?

30 in other languages
Write 30 in english Thirty
Write 30 in french Trente
Write 30 in spanish Treinta
Write 30 in portuguese Trinta

## Decomposition of the number 30

The number 30 is composed of:

1 iteration of the number 3 : The number 3 (three) is the symbol of the trinity. He also represents the union.... Find out more about the number 3

1 iteration of the number 0 : ... Find out more about the number 0

Other ways to write 30
In letter Thirty
In roman numeral XXX
In binary 11110
In octal 36
In US dollars USD 30.00 (\$)
In euros 30,00 EUR (€)
Some related numbers
Previous number 29
Next number 31
Next prime number 31

## Mathematical operations

Operations and solutions
30*2 = 60 The double of 30 is 60
30*3 = 90 The triple of 30 is 90
30/2 = 15 The half of 30 is 15.000000
30/3 = 10 The third of 30 is 10.000000
302 = 900 The square of 30 is 900.000000
303 = 27000 The cube of 30 is 27000.000000
√30 = 5.4772255750517 The square root of 30 is 5.477226
log(30) = 3.4011973816622 The natural (Neperian) logarithm of 30 is 3.401197
log10(30) = 1.4771212547197 The decimal logarithm (base 10) of 30 is 1.477121
sin(30) = -0.98803162409286 The sine of 30 is -0.988032
cos(30) = 0.15425144988758 The cosine of 30 is 0.154251
tan(30) = -6.4053311966463 The tangent of 30 is -6.405331