212423 (number)
212,423 (two hundred twelve thousand four hundred twentythree) is an odd sixdigits prime number following 212422 and preceding 212424. In scientific notation, it is written as 2.12423 × 10^{5}. The sum of its digits is 14. It has a total of 1 prime factor and 2 positive divisors. There are 212,422 positive integers (up to 212423) that are relatively prime to 212423.
Basic properties
 Is Prime? Yes
 Number parity Odd
 Number length 6
 Sum of Digits 14
 Digital Root 5
Name
Short name  212 thousand 423 

Full name  two hundred twelve thousand four hundred twentythree 
Notation
Scientific notation  2.12423 × 10^{5} 

Engineering notation  212.423 × 10^{3} 
Prime Factorization of 212423
Prime Factorization 212423
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  212423  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  12.26633484874  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 212,423 is 212423. Since it has a total of 1 prime factor, 212,423 is a prime number.
Divisors of 212423
2 divisors
τ(n)  Total Divisors  2  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  212424  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  106212  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  460.89369707124  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  1.999990584868  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 212,423 can be divided by 2 positive divisors (out of which 0 are even, and 2 are odd). The sum of these divisors (counting 212,423) is 212,424, the average is 106,212.
Other Arithmetic Functions (n = 212423)
φ(n)  Euler Totient  212422  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  212422  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 18947  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 212,422 positive integers (less than 212,423) that are coprime with 212,423. And there are approximately 18,947 prime numbers less than or equal to 212,423.
Divisibility of 212423
m  2  3  4  5  6  7  8  9 

n mod m  1  2  3  3  5  1  7  5 
212,423 is not divisible by any number less than or equal to 9.
Classification of 212423
By Arithmetic functions
 Arithmetic
 Prime
 Deficient
Expressible via specific sums
 Polite
 Nonhypotenuse
By Powers
 Prime Power
 Square Free
Base conversion (212423)
Base  System  Value 

2  Binary  110011110111000111 
3  Ternary  101210101112 
4  Quaternary  303313013 
5  Quinary  23244143 
6  Senary  4315235 
8  Octal  636707 
10  Decimal  212423 
12  Duodecimal  a2b1b 
16  Hexadecimal  33dc7 
20  Vigesimal  16b13 
36  Base36  4jwn 
Basic calculations (n = 212423)
Multiplication
n×yn×2  424846 

n×3  637269 
n×4  849692 
n×5  1062115 
Division
n÷yn÷2  106211.500 

n÷3  70807.666 
n÷4  53105.750 
n÷5  42484.600 
Exponentiation
n^{y}n^{2}  45123530929 

n^{3}  9585275810530967 
n^{4}  2036133043500419603041 
n^{5}  432521489499489633336778343 
Nth Root
^{y}√n^{2}√n  460.89369707124 

^{3}√n  59.6669510232 
^{4}√n  21.468434900366 
^{5}√n  11.626267406525 
212423 as geometric shapes
Circle
Radius = nDiameter  424846 

Circumference  1334693.072507 
Area  141759753270.58 
Sphere
Radius = nVolume  4.0150709425328E+16 

Surface area  567039013082.31 
Circumference  1334693.072507 
Square
Length = nPerimeter  849692 

Area  45123530929 
Diagonal  300411.48755998 
Cube
Length = nSurface area  270741185574 

Volume  9585275810530967 
Space diagonal  367927.4286962 
Equilateral Triangle
Length = nPerimeter  637269 

Area  19539062046.483 
Altitude  183963.7143481 
Triangular Pyramid
Length = nSurface area  78156248185.934 

Volume  1.1296355875283E+15 
Height  173442.65321041 
Cryptographic Hash Functions
md5  e92f49a9e6b78773c4b6a051ec10e98a 

sha1  b301039dd74480b3bd42d435eecd34cebbf02c86 
sha256  9c6c4b61d20029cd881673f83ed0ada76996a3e4b3461b010628224a5a3c7300 
sha512  013a8cdd81bfb565884b3e777b46ba980b991c8258a8f9fee8b62d92e9ff91f5631b6cefbe78cebb931e49189dac07719a1c07d5b8a55e0fee6e7f3e1e91d362 
ripemd160  3d7c8947465df6577b0f997e5b68a27e62dd934d 