20269 (number)
20,269 (twenty thousand two hundred sixtynine) is an odd fivedigits prime number following 20268 and preceding 20270. In scientific notation, it is written as 2.0269 × 10^{4}. The sum of its digits is 19. It has a total of 1 prime factor and 2 positive divisors. There are 20,268 positive integers (up to 20269) that are relatively prime to 20269.
Basic properties
 Is Prime? Yes
 Number parity Odd
 Number length 5
 Sum of Digits 19
 Digital Root 1
Name
Short name  20 thousand 269 

Full name  twenty thousand two hundred sixtynine 
Notation
Scientific notation  2.0269 × 10^{4} 

Engineering notation  20.269 × 10^{3} 
Prime Factorization of 20269
Prime Factorization 20269
Prime numberω(n)  Distinct Factors  1  Total number of distinct prime factors 

Ω(n)  Total Factors  1  Total number of prime factors 
rad(n)  Radical  20269  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  9.916847904238  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 20,269 is 20269. Since it has a total of 1 prime factor, 20,269 is a prime number.
Divisors of 20269
2 divisors
τ(n)  Total Divisors  2  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  20270  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  1  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  10135  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  142.3692382504  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  1.9999013320178  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 20,269 can be divided by 2 positive divisors (out of which 0 are even, and 2 are odd). The sum of these divisors (counting 20,269) is 20,270, the average is 10,135.
Other Arithmetic Functions (n = 20269)
φ(n)  Euler Totient  20268  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  20268  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 2293  Total number of primes less than or equal to n 
r_{2}(n)  Sum of 2 squares  8  The number of ways n can be represented as the sum of 2 squares 
There are 20,268 positive integers (less than 20,269) that are coprime with 20,269. And there are approximately 2,293 prime numbers less than or equal to 20,269.
Divisibility of 20269
m  2  3  4  5  6  7  8  9 

n mod m  1  1  1  4  1  4  5  1 
20,269 is not divisible by any number less than or equal to 9.
Classification of 20269
By Arithmetic functions
 Arithmetic
 Prime
 Deficient
Expressible via specific sums
 Polite
By Powers
 Prime Power
 Square Free
Base conversion (20269)
Base  System  Value 

2  Binary  100111100101101 
3  Ternary  1000210201 
4  Quaternary  10330231 
5  Quinary  1122034 
6  Senary  233501 
8  Octal  47455 
10  Decimal  20269 
12  Duodecimal  b891 
16  Hexadecimal  4f2d 
20  Vigesimal  2ad9 
36  Base36  fn1 
Basic calculations (n = 20269)
Multiplication
n×yn×2  40538 

n×3  60807 
n×4  81076 
n×5  101345 
Division
n÷yn÷2  10134.500 

n÷3  6756.333 
n÷4  5067.250 
n÷5  4053.800 
Exponentiation
n^{y}n^{2}  410832361 

n^{3}  8327161125109 
n^{4}  168783228844834321 
n^{5}  3421067265455946852349 
Nth Root
^{y}√n^{2}√n  142.3692382504 

^{3}√n  27.265330990965 
^{4}√n  11.931858122288 
^{5}√n  7.2671891567533 
20269 as geometric shapes
Circle
Radius = nDiameter  40538 

Circumference  127353.88299122 
Area  1290667927.1745 
Sphere
Radius = nVolume  34880730954535 

Surface area  5162671708.6982 
Circumference  127353.88299122 
Square
Length = nPerimeter  81076 

Area  410832361 
Diagonal  28664.69469574 
Cube
Length = nSurface area  2464994166 

Volume  8327161125109 
Space diagonal  35106.937818614 
Equilateral Triangle
Length = nPerimeter  60807 

Area  177895630.66137 
Altitude  17553.468909307 
Triangular Pyramid
Length = nSurface area  711582522.64548 

Volume  981365349932.93 
Height  16549.569198824 
Cryptographic Hash Functions
md5  c9041cfd2a40932691855abd98fd219a 

sha1  f94d367b789879ef7e26a882020cf70152324be5 
sha256  a78618f3c74ebb848c11a4bd82a5ef8b9d0847b92ffe28ecc9c7a8969ab4af1d 
sha512  75757d2d7b958384075f8bc48aaaeb2127abbf38ea4015f48fab05a8a971385ff3b67fcad5b251967b65a1345cbcfb7408eec69a1c47129b70bdcabd84db5f38 
ripemd160  ec25cc12c6bc0cd998307f1ac1c75f4ba50f97df 