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Number 21428681

Prime factorization

Factorization 21428681
Divisors 1, 21428681
Count of divisors 2
Sum of divisors 21428682

Basic properties

Is prime? ◎ YES
It's 1355342th prime number.
Previous integer 21428680
Next integer 21428682
Previous prime number 21428621
Next prime number 21428683
Reciprocal 4.6666428e-8
Square 459188369399761
Square root 4629.112333914571
Natural logarithm 16.880240816325475
Decimal logarithm 7.330995439728198
Sine -0.03197206077430582
Cosine -0.9994887629832784
Tangent 0.031988414435871665

Expressions

Binary 1010001101111100111001001
Octal 121574711
Hexadecimal 146f9c9