Number Utopia
Properties of numbers / Online calculators / Number sequence database

Number 81393

Prime factorization

Factorization 3 * 13 * 2087
Divisors 1, 3, 13, 39, 2087, 6261, 27131, 81393
Count of divisors 8
Sum of divisors 116928

Basic properties

Is prime? × NO
Previous integer 81392
Next integer 81394
Previous prime number 81373
Next prime number 81401
Reciprocal 0.000012286068826
Square 6624820449
Square root 285.29458459634316
Natural logarithm 11.307044553206847
Decimal logarithm 4.910587056091953
Sine 0.5790237590669663
Cosine 0.8153106686631543
Tangent 0.7101878845966507

Expressions

Binary 10011110111110001
Octal 236761
Hexadecimal 13df1