8345 (number)
8,345 (eight thousand three hundred fortyfive) is an odd fourdigits composite number following 8344 and preceding 8346. In scientific notation, it is written as 8.345 × 10^{3}. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 6,672 positive integers (up to 8345) that are relatively prime to 8345.
Basic properties
 Is Prime? No
 Number parity Odd
 Number length 4
 Sum of Digits 20
 Digital Root 2
Name
Short name  8 thousand 345 

Full name  eight thousand three hundred fortyfive 
Notation
Scientific notation  8.345 × 10^{3} 

Engineering notation  8.345 × 10^{3} 
Prime Factorization of 8345
Prime Factorization 5 × 1669
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  8345  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 8,345 is 5 × 1669. Since it has a total of 2 prime factors, 8,345 is a composite number.
Divisors of 8345
4 divisors
τ(n)  Total Divisors  4  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  10020  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  1675  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  2505  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  91.350971532874  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  3.3313373253493  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 8,345 can be divided by 4 positive divisors (out of which 0 are even, and 4 are odd). The sum of these divisors (counting 8,345) is 10,020, the average is 2,505.
Other Arithmetic Functions (n = 8345)
φ(n)  Euler Totient  6672  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  1668  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 1050  Total number of primes less than or equal to n 
r_{2}(n)  Sum of 2 squares  16  The number of ways n can be represented as the sum of 2 squares 
There are 6,672 positive integers (less than 8,345) that are coprime with 8,345. And there are approximately 1,050 prime numbers less than or equal to 8,345.
Divisibility of 8345
m  2  3  4  5  6  7  8  9 

n mod m  1  2  1  0  5  1  1  2 
The number 8,345 is divisible by 5.
Classification of 8345
By Arithmetic functions
 Arithmetic
 Semiprime
 Deficient
Expressible via specific sums
 Polite
By Powers
 Square Free
Other numbers
 LucasCarmichael
Base conversion (8345)
Base  System  Value 

2  Binary  10000010011001 
3  Ternary  102110002 
4  Quaternary  2002121 
5  Quinary  231340 
6  Senary  102345 
8  Octal  20231 
10  Decimal  8345 
12  Duodecimal  49b5 
16  Hexadecimal  2099 
20  Vigesimal  10h5 
36  Base36  6ft 
Basic calculations (n = 8345)
Multiplication
n×yn×2  16690 

n×3  25035 
n×4  33380 
n×5  41725 
Division
n÷yn÷2  4172.500 

n÷3  2781.666 
n÷4  2086.250 
n÷5  1669.000 
Exponentiation
n^{y}n^{2}  69639025 

n^{3}  581137663625 
n^{4}  4849593802950625 
n^{5}  40469860285622965625 
Nth Root
^{y}√n^{2}√n  91.350971532874 

^{3}√n  20.283463443218 
^{4}√n  9.5577702176226 
^{5}√n  6.0853458859746 
8345 as geometric shapes
Circle
Radius = nDiameter  16690 

Circumference  52433.181388414 
Area  218777449.34316 
Sphere
Radius = nVolume  2434263753024.8 

Surface area  875109797.37262 
Circumference  52433.181388414 
Square
Length = nPerimeter  33380 

Area  69639025 
Diagonal  11801.612178003 
Cube
Length = nSurface area  417834150 

Volume  581137663625 
Space diagonal  14453.963989162 
Equilateral Triangle
Length = nPerimeter  25035 

Area  30154582.37239 
Altitude  7226.9819945811 
Triangular Pyramid
Length = nSurface area  120618329.48956 

Volume  68487730458.691 
Height  6813.6639678419 
Cryptographic Hash Functions
md5  37c9216b00a111ac0e1f81de25ddff77 

sha1  d7cad00f0ad124d918924bfda7922223b83424f6 
sha256  5d2f20530ac39a03ae7c469c554f185030e676c02748ff5f6bcae2999e37e2d0 
sha512  582c8df6baaafcc37c12aa91a613b3e27d9c86ff32510359724d84055e403e76d2203fa34f8584f9db573165ad12fb81fe1e909f31cd5f52c0b714d8b3704acc 
ripemd160  d1bfec9e2b54ad52a3598030a99095b592c59d85 