108645 (number)
108,645 (one hundred eight thousand six hundred fortyfive) is an odd sixdigits composite number following 108644 and preceding 108646. In scientific notation, it is written as 1.08645 × 10^{5}. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 57,936 positive integers (up to 108645) that are relatively prime to 108645.
Basic properties
 Is Prime? No
 Number parity Odd
 Number length 6
 Sum of Digits 24
 Digital Root 6
Name
Short name  108 thousand 645 

Full name  one hundred eight thousand six hundred fortyfive 
Notation
Scientific notation  1.08645 × 10^{5} 

Engineering notation  108.645 × 10^{3} 
Prime Factorization of 108645
Prime Factorization 3 × 5 × 7243
Composite numberω(n)  Distinct Factors  3  Total number of distinct prime factors 

Ω(n)  Total Factors  3  Total number of prime factors 
rad(n)  Radical  108645  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 108,645 is 3 × 5 × 7243. Since it has a total of 3 prime factors, 108,645 is a composite number.
Divisors of 108645
8 divisors
τ(n)  Total Divisors  8  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  173856  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  65211  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  21732  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  329.61340992138  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  4.9993097736057  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 108,645 can be divided by 8 positive divisors (out of which 0 are even, and 8 are odd). The sum of these divisors (counting 108,645) is 173,856, the average is 21,732.
Other Arithmetic Functions (n = 108645)
φ(n)  Euler Totient  57936  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  14484  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 10309  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 57,936 positive integers (less than 108,645) that are coprime with 108,645. And there are approximately 10,309 prime numbers less than or equal to 108,645.
Divisibility of 108645
m  2  3  4  5  6  7  8  9 

n mod m  1  0  1  0  3  5  5  6 
The number 108,645 is divisible by 3 and 5.
Classification of 108645
By Arithmetic functions
 Arithmetic
 Deficient
Expressible via specific sums
 Polite
By Powers
 Square Free
Other numbers
 LucasCarmichael
 Sphenic
Base conversion (108645)
Base  System  Value 

2  Binary  11010100001100101 
3  Ternary  12112000220 
4  Quaternary  122201211 
5  Quinary  11434040 
6  Senary  2154553 
8  Octal  324145 
10  Decimal  108645 
12  Duodecimal  52a59 
16  Hexadecimal  1a865 
20  Vigesimal  dbc5 
36  Base36  2btx 
Basic calculations (n = 108645)
Multiplication
n×yn×2  217290 

n×3  325935 
n×4  434580 
n×5  543225 
Division
n÷yn÷2  54322.500 

n÷3  36215.000 
n÷4  27161.250 
n÷5  21729.000 
Exponentiation
n^{y}n^{2}  11803736025 

n^{3}  1282416900436125 
n^{4}  139328184147882800625 
n^{5}  15137310566746726873903125 
Nth Root
^{y}√n^{2}√n  329.61340992138 

^{3}√n  47.716646572697 
^{4}√n  18.155258464736 
^{5}√n  10.167213628874 
108645 as geometric shapes
Circle
Radius = nDiameter  217290 

Circumference  682636.66769853 
Area  37082530381.053 
Sphere
Radius = nVolume  5.3717753509994E+15 

Surface area  148330121524.21 
Circumference  682636.66769853 
Square
Length = nPerimeter  434580 

Area  11803736025 
Diagonal  153647.23248402 
Cube
Length = nSurface area  70822416150 

Volume  1282416900436125 
Space diagonal  188178.65998832 
Equilateral Triangle
Length = nPerimeter  325935 

Area  5111167628.6078 
Altitude  94089.32999416 
Triangular Pyramid
Length = nSurface area  20444670514.431 

Volume  1.511342811011E+14 
Height  88708.271034893 
Cryptographic Hash Functions
md5  82261c4d50a370d548ed49b8d4c8cc95 

sha1  6494b982533269a9e35ac4a773f465b2a3d6db59 
sha256  aa7c9a93a60625ba4df6068612d7f5ae2a35d4549fbc1cf73a1c47d71cbe31cf 
sha512  399ee9e5ce267d26c269b6bbf0531237b5314565e5e3df35c390c504d5f8838fd5b697642b5296861c14801664fd6bd03f466196bb81c04c28af1b07b2e4ef3f 
ripemd160  e823ae5903836a844a778e07d0074989e337054e 