231442 (number)
231,442 (two hundred thirtyone thousand four hundred fortytwo) is an even sixdigits composite number following 231441 and preceding 231443. In scientific notation, it is written as 2.31442 × 10^{5}. The sum of its digits is 16. It has a total of 3 prime factors and 8 positive divisors. There are 114,432 positive integers (up to 231442) that are relatively prime to 231442.
Basic properties
 Is Prime? No
 Number parity Even
 Number length 6
 Sum of Digits 16
 Digital Root 7
Name
Short name  231 thousand 442 

Full name  two hundred thirtyone thousand four hundred fortytwo 
Notation
Scientific notation  2.31442 × 10^{5} 

Engineering notation  231.442 × 10^{3} 
Prime Factorization of 231442
Prime Factorization 2 × 97 × 1193
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  231442  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 231,442 is 2 × 97 × 1193. Since it has a total of 3 prime factors, 231,442 is a composite number.
Divisors of 231442
8 divisors
τ(n)  Total Divisors  8  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  351036  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  119594  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  43879.5  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  481.08419221587  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  5.2744903656605  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 231,442 can be divided by 8 positive divisors (out of which 4 are even, and 4 are odd). The sum of these divisors (counting 231,442) is 351,036, the average is 4,387,9.5.
Other Arithmetic Functions (n = 231442)
φ(n)  Euler Totient  114432  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  14304  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 20487  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 114,432 positive integers (less than 231,442) that are coprime with 231,442. And there are approximately 20,487 prime numbers less than or equal to 231,442.
Divisibility of 231442
m  2  3  4  5  6  7  8  9 

n mod m  0  1  2  2  4  1  2  7 
The number 231,442 is divisible by 2.
Classification of 231442
By Arithmetic functions
 Deficient
Expressible via specific sums
 Polite
By Powers
 Square Free
Other numbers
 Sphenic
Base conversion (231442)
Base  System  Value 

2  Binary  111000100000010010 
3  Ternary  102202110221 
4  Quaternary  320200102 
5  Quinary  24401232 
6  Senary  4543254 
8  Octal  704022 
10  Decimal  231442 
12  Duodecimal  b1b2a 
16  Hexadecimal  38812 
20  Vigesimal  18ic2 
36  Base36  4yky 
Basic calculations (n = 231442)
Multiplication
n×yn×2  462884 

n×3  694326 
n×4  925768 
n×5  1157210 
Division
n÷yn÷2  115721.000 

n÷3  77147.333 
n÷4  57860.500 
n÷5  46288.400 
Exponentiation
n^{y}n^{2}  53565399364 

n^{3}  12397283159602888 
n^{4}  2869252009024811604496 
n^{5}  664065423472720447367763232 
Nth Root
^{y}√n^{2}√n  481.08419221587 

^{3}√n  61.397033954343 
^{4}√n  21.933631532783 
^{5}√n  11.82737684927 
231442 as geometric shapes
Circle
Radius = nDiameter  462884 

Circumference  1454192.9738643 
Area  168280665128.55 
Sphere
Radius = nVolume  5.1929618264908E+16 

Surface area  673122660514.18 
Circumference  1454192.9738643 
Square
Length = nPerimeter  925768 

Area  53565399364 
Diagonal  327308.41530275 
Cube
Length = nSurface area  321392396184 

Volume  12397283159602888 
Space diagonal  400869.30300536 
Equilateral Triangle
Length = nPerimeter  694326 

Area  23194498306.541 
Altitude  200434.65150268 
Triangular Pyramid
Length = nSurface area  92777993226.166 

Volume  1.4610338317408E+15 
Height  188971.60168307 
Cryptographic Hash Functions
md5  74a75c7213239fa9781d1e3f96cca79f 

sha1  cc9f6ef4014c6c07ed7a9fbc00be0106fad368fe 
sha256  b53de41a5e6625b466a1caad421022747143792400ba02d7103e8a1c538b7fc1 
sha512  ac71c15bced0798305d4a376bf3100560b2fb86fedd4c8be4e9326f667837680e6c694e51fbd2db6b305f6372779177f9a14806a5b09dc901fcb76dab4c8acfc 
ripemd160  39fcdf6594cee49bfa919300e14730743aa26752 