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Number 30

Prime factorization

Factorization 2 * 3 * 5
Divisors 1, 2, 3, 5, 6, 10, 15, 30
Count of divisors 8
Sum of divisors 72

Basic properties

Is prime? × NO
Previous integer 29
Next integer 31
Previous prime number 29
Next prime number 31
Reciprocal 0.033333333333333
Square 900
Square root 5.477225575051661
Natural logarithm 3.4011973816621555
Decimal logarithm 1.4771212547196624
Sine -0.9880316240928618
Cosine 0.15425144988758402
Tangent -6.4053311966462765

Expressions

Binary 11110
Octal 36
Hexadecimal 1e