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Number 128

Prime factorization

Factorization 2 * 2 * 2 * 2 * 2 * 2 * 2
Divisors 1, 2, 4, 8, 16, 32, 64, 128
Count of divisors 8
Sum of divisors 255

Basic properties

Is prime? × NO
Previous integer 127
Next integer 129
Previous prime number 127
Next prime number 137
Reciprocal 0.0078125
Square 16384
Square root 11.313708498984761
Natural logarithm 4.852030263919617
Decimal logarithm 2.1072099696478683
Sine 0.7210377105017316
Cosine -0.6928958219201651
Tangent -1.0406148914328552

Expressions

Binary 10000000
Octal 200
Hexadecimal 80