9917 (number)
9,917 (nine thousand nine hundred seventeen) is an odd fourdigits composite number following 9916 and preceding 9918. In scientific notation, it is written as 9.917 × 10^{3}. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 9,660 positive integers (up to 9917) that are relatively prime to 9917.
Basic properties
 Is Prime? No
 Number parity Odd
 Number length 4
 Sum of Digits 26
 Digital Root 8
Name
Short name  9 thousand 917 

Full name  nine thousand nine hundred seventeen 
Notation
Scientific notation  9.917 × 10^{3} 

Engineering notation  9.917 × 10^{3} 
Prime Factorization of 9917
Prime Factorization 47 × 211
Composite numberω(n)  Distinct Factors  2  Total number of distinct prime factors 

Ω(n)  Total Factors  2  Total number of prime factors 
rad(n)  Radical  9917  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  1  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 9,917 is 47 × 211. Since it has a total of 2 prime factors, 9,917 is a composite number.
Divisors of 9917
4 divisors
τ(n)  Total Divisors  4  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  10176  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  259  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  2544  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  99.584135282684  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  3.8981918238994  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 9,917 can be divided by 4 positive divisors (out of which 0 are even, and 4 are odd). The sum of these divisors (counting 9,917) is 10,176, the average is 2,544.
Other Arithmetic Functions (n = 9917)
φ(n)  Euler Totient  9660  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  4830  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 1221  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 9,660 positive integers (less than 9,917) that are coprime with 9,917. And there are approximately 1,221 prime numbers less than or equal to 9,917.
Divisibility of 9917
m  2  3  4  5  6  7  8  9 

n mod m  1  2  1  2  5  5  5  8 
9,917 is not divisible by any number less than or equal to 9.
Classification of 9917
By Arithmetic functions
 Arithmetic
 Semiprime
 Deficient
Expressible via specific sums
 Polite
 Nonhypotenuse
By Powers
 Square Free
Other numbers
 LucasCarmichael
Base conversion (9917)
Base  System  Value 

2  Binary  10011010111101 
3  Ternary  111121022 
4  Quaternary  2122331 
5  Quinary  304132 
6  Senary  113525 
8  Octal  23275 
10  Decimal  9917 
12  Duodecimal  58a5 
16  Hexadecimal  26bd 
20  Vigesimal  14fh 
36  Base36  7nh 
Basic calculations (n = 9917)
Multiplication
n×yn×2  19834 

n×3  29751 
n×4  39668 
n×5  49585 
Division
n÷yn÷2  4958.500 

n÷3  3305.666 
n÷4  2479.250 
n÷5  1983.400 
Exponentiation
n^{y}n^{2}  98346889 

n^{3}  975306098213 
n^{4}  9672110575978321 
n^{5}  95918320581977009357 
Nth Root
^{y}√n^{2}√n  99.584135282684 

^{3}√n  21.484575199236 
^{4}√n  9.9791851011335 
^{5}√n  6.2990646053787 
9917 as geometric shapes
Circle
Radius = nDiameter  19834 

Circumference  62310.3486913 
Area  308965863.98581 
Sphere
Radius = nVolume  4085352630863 

Surface area  1235863455.9432 
Circumference  62310.3486913 
Square
Length = nPerimeter  39668 

Area  98346889 
Diagonal  14024.755898054 
Cube
Length = nSurface area  590081334 

Volume  975306098213 
Space diagonal  17176.747858661 
Equilateral Triangle
Length = nPerimeter  29751 

Area  42585452.128584 
Altitude  8588.3739293303 
Triangular Pyramid
Length = nSurface area  170341808.51434 

Volume  114940925963.17 
Height  8097.1965930603 
Cryptographic Hash Functions
md5  7274a60c83145b1082be9caa91926ecf 

sha1  99fb9b9a34d084cc3628bd612e6120ccbe232386 
sha256  daeab52705a5d365d623f9c7c65610408c99780d1ee1d14162eb9d456db6317c 
sha512  259d00fd965b87c59e7ae4b5af6a700ff0d9d2c861d782c915acc2c921ae52c4813b4ba8f6e254b8f993e00f9b1f5090f45209b3d6ff8e5008a8f914b199b234 
ripemd160  f89d4d21f052b5960539091ceaf021783ea7f9b1 