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Number 128428

Prime factorization

Factorization 2 * 2 * 97 * 331
Divisors 1, 2, 4, 97, 194, 331, 388, 662, 1324, 32107, 64214, 128428
Count of divisors 12
Sum of divisors 227752

Basic properties

Is prime? × NO
Previous integer 128427
Next integer 128429
Previous prime number 128413
Next prime number 128431
Reciprocal 0.00000778646401
Square 16493751184
Square root 358.3685254036688
Natural logarithm 11.763123715000336
Decimal logarithm 5.108659719369926
Sine -0.30284721298368195
Cosine 0.9530391207017771
Tangent -0.317769970198787

Expressions

Binary 11111010110101100
Octal 372654
Hexadecimal 1f5ac