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Number 1390

Prime factorization

Factorization 2 * 5 * 139
Divisors 1, 2, 5, 10, 139, 278, 695, 1390
Count of divisors 8
Sum of divisors 2520

Basic properties

Is prime? × NO
Previous integer 1389
Next integer 1391
Previous prime number 1381
Next prime number 1399
Reciprocal 0.000719424460431
Square 1932100
Square root 37.282703764614496
Natural logarithm 7.237059026124737
Decimal logarithm 3.143014800254095
Sine 0.9880502161512134
Cosine 0.1541323144689025
Tangent 6.410402773459688

Expressions

Binary 10101101110
Octal 2556
Hexadecimal 56e