66508 (number)
66,508 (sixtysix thousand five hundred eight) is an even fivedigits composite number following 66507 and preceding 66509. In scientific notation, it is written as 6.6508 × 10^{4}. The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors. There are 30,672 positive integers (up to 66508) that are relatively prime to 66508.
Basic properties
 Is Prime? No
 Number parity Even
 Number length 5
 Sum of Digits 25
 Digital Root 7
Name
Short name  66 thousand 508 

Full name  sixtysix thousand five hundred eight 
Notation
Scientific notation  6.6508 × 10^{4} 

Engineering notation  66.508 × 10^{3} 
Prime Factorization of 66508
Prime Factorization 2^{2} × 13 × 1279
Composite numberω(n)  Distinct Factors  3  Total number of distinct prime factors 

Ω(n)  Total Factors  4  Total number of prime factors 
rad(n)  Radical  33254  Product of the distinct prime numbers 
λ(n)  Liouville Lambda  1  Returns the parity of Ω(n), such that λ(n) = (1)^{Ω(n)} 
μ(n)  Mobius Mu  0  Returns:

Λ(n)  Mangoldt function  0  Returns log(p) if n is a power p^{k} of any prime p (for any k >= 1), else returns 0 
The prime factorization of 66,508 is 2^{2} × 13 × 1279. Since it has a total of 4 prime factors, 66,508 is a composite number.
Divisors of 66508
12 divisors
τ(n)  Total Divisors  12  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  125440  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  58932  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  10453.333  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  257.89145003276  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  6.3623724489798  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 66,508 can be divided by 12 positive divisors (out of which 8 are even, and 4 are odd). The sum of these divisors (counting 66,508) is 125,440, the average is 104,53.,333.
Other Arithmetic Functions (n = 66508)
φ(n)  Euler Totient  30672  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  2556  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 6630  Total number of primes less than or equal to n 
r_{2}(n)  Sum of 2 squares  0  The number of ways n can be represented as the sum of 2 squares 
There are 30,672 positive integers (less than 66,508) that are coprime with 66,508. And there are approximately 6,630 prime numbers less than or equal to 66,508.
Divisibility of 66508
m  2  3  4  5  6  7  8  9 

n mod m  0  1  0  3  4  1  4  7 
The number 66,508 is divisible by 2 and 4.
Classification of 66508
By Arithmetic functions
 Deficient
Expressible via specific sums
 Polite
Base conversion (66508)
Base  System  Value 

2  Binary  10000001111001100 
3  Ternary  10101020021 
4  Quaternary  100033030 
5  Quinary  4112013 
6  Senary  1231524 
8  Octal  201714 
10  Decimal  66508 
12  Duodecimal  325a4 
16  Hexadecimal  103cc 
20  Vigesimal  8658 
36  Base36  1fbg 
Basic calculations (n = 66508)
Multiplication
n×yn×2  133016 

n×3  199524 
n×4  266032 
n×5  332540 
Division
n÷yn÷2  33254.000 

n÷3  22169.333 
n÷4  16627.000 
n÷5  13301.600 
Exponentiation
n^{y}n^{2}  4423314064 

n^{3}  294185771768512 
n^{4}  19565707308780196096 
n^{5}  1301276061692353281952768 
Nth Root
^{y}√n^{2}√n  257.89145003276 

^{3}√n  40.515819659453 
^{4}√n  16.058999035829 
^{5}√n  9.2166856966313 
66508 as geometric shapes
Circle
Radius = nDiameter  133016 

Circumference  417882.0884099 
Area  13896250967.983 
Sphere
Radius = nVolume  1.2322824791715E+15 

Surface area  55585003871.931 
Circumference  417882.0884099 
Square
Length = nPerimeter  266032 

Area  4423314064 
Diagonal  94056.51560631 
Cube
Length = nSurface area  26539884384 

Volume  294185771768512 
Space diagonal  115195.23510979 
Equilateral Triangle
Length = nPerimeter  199524 

Area  1915351174.1705 
Altitude  57597.617554895 
Triangular Pyramid
Length = nSurface area  7661404696.682 

Volume  34670125691019 
Height  54303.554604341 
Cryptographic Hash Functions
md5  7a244b8f2b8ccd9cf890459251a1ec5d 

sha1  d16c93e2c2e7e243e41d81b76a630fa7f75de6e8 
sha256  6b15a17ef682aea55ea799f0d3a590c6ceb45d1ced7a42951698880adddfc847 
sha512  3cd051d84ba4924f763d8763052089a772f21c2c10353e7b6d1f94c803012f3700855f810bb9009c3a51848eda09d69f40f84e95d5234f08ddfa6ef6433d0547 
ripemd160  da8126a9f0f441d58fa4b58a8ee8c5487c4eafe9 