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Number 28990

Prime factorization

Factorization 2 * 5 * 13 * 223
Divisors 1, 2, 5, 10, 13, 26, 65, 130, 223, 446, 1115, 2230, 2899, 5798, 14495, 28990
Count of divisors 16
Sum of divisors 56448

Basic properties

Is prime? × NO
Previous integer 28989
Next integer 28991
Previous prime number 28979
Next prime number 29009
Reciprocal 0.000034494653328
Square 840420100
Square root 170.26450011673015
Natural logarithm 10.274706221915702
Decimal logarithm 4.462248215354998
Sine -0.578596889873854
Cosine 0.8156136579461524
Tangent -0.7094006877359741

Expressions

Binary 111000100111110
Octal 70476
Hexadecimal 713e