



Number 138

one hundred thirty eight

Properties of the number 138

Factorization 

2 * 3 * 23

Divisors 
1, 2, 3, 6, 23, 46, 69, 138

Count of divisors 
8

Sum of divisors 
288

Previous integer 
137 
Next integer 
139 
Is prime? 
NO

Previous prime 
137

Next prime 
139

138th prime 
787

Is a Fibonacci number? 
NO

Is a Bell number? 
NO

Is a Catalan number? 
NO

Is a factorial? 
NO

Is a regular number? 
NO

Is a perfect number? 
NO

Polygonal number (s < 11)? 
NO 
Binary 
10001010 
Octal 
212 
Duodecimal 
b6 
Hexadecimal 
8a 
Square 
19044 
Square root 
11.747340124471 
Natural logarithm 
4.9272536851572 
Decimal logarithm 
2.1398790864012 
Sine 
0.22805225950086 
Cosine 
0.97364889304952 
Tangent 
0.23422432986761 

Number 138 is pronounced one hundred thirty eight.
Number 138 is a composite number.
Factors of 138 are 2 * 3 * 23.
Number 138 has 8 divisors: 1, 2, 3, 6, 23, 46, 69, 138.
Sum of the divisors is 288.
Number 138 is not a Fibonacci number.
It is not a Bell number.
Number 138 is not a Catalan number.
Number 138 is not a regular number (Hamming number).
It is a not factorial of any number.
Number 138 is an abundant number and therefore is not a perfect number.
Binary numeral for number 138 is 10001010.
Octal numeral is 212.
Duodecimal value is b6.
Hexadecimal representation is 8a.
Square of the number 138 is 19044.
Square root of the number 138 is 11.747340124471.
Natural logarithm of 138 is 4.9272536851572
Decimal logarithm of the number 138 is 2.1398790864012
Sine of 138 is 0.22805225950086. Cosine of the number 138 is 0.97364889304952. Tangent of the number 138 is 0.23422432986761



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