30181 (number)
30,181 (thirty thousand one hundred eightyone) is an odd fivedigits prime number following 30180 and preceding 30182. In scientific notation, it is written as 3.0181 × 10^{4}. The sum of its digits is 13. It has a total of 1 prime factor and 2 positive divisors. There are 30,180 positive integers (up to 30181) that are relatively prime to 30181.
Basic properties
 Is Prime? Yes
 Number parity Odd
 Number length 5
 Sum of Digits 13
 Digital Root 4
Name
Short name  30 thousand 181 

Full name  thirty thousand one hundred eightyone 
Notation
Scientific notation  3.0181 × 10^{4} 

Engineering notation  30.181 × 10^{3} 
Prime Factorization of 30181
Prime Factorization 30181
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  30181  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  10.314967866299  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 30,181 is 30181. Since it has a total of 1 prime factor, 30,181 is a prime number.
Divisors of 30181
2 divisors
τ(n)  Total Divisors  2  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  30182  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  15091  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  173.72679701186  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  1.9999337353389  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 30,181 can be divided by 2 positive divisors (out of which 0 are even, and 2 are odd). The sum of these divisors (counting 30,181) is 30,182, the average is 15,091.
Other Arithmetic Functions (n = 30181)
φ(n)  Euler Totient  30180  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  30180  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 3266  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 30,180 positive integers (less than 30,181) that are coprime with 30,181. And there are approximately 3,266 prime numbers less than or equal to 30,181.
Divisibility of 30181
m  2  3  4  5  6  7  8  9 

n mod m  1  1  1  1  1  4  5  4 
30,181 is not divisible by any number less than or equal to 9.
Classification of 30181
By Arithmetic functions
 Arithmetic
 Prime
 Deficient
Expressible via specific sums
 Polite
By Powers
 Prime Power
 Square Free
Base conversion (30181)
Base  System  Value 

2  Binary  111010111100101 
3  Ternary  1112101211 
4  Quaternary  13113211 
5  Quinary  1431211 
6  Senary  351421 
8  Octal  72745 
10  Decimal  30181 
12  Duodecimal  15571 
16  Hexadecimal  75e5 
20  Vigesimal  3f91 
36  Base36  nad 
Basic calculations (n = 30181)
Multiplication
n×yn×2  60362 

n×3  90543 
n×4  120724 
n×5  150905 
Division
n÷yn÷2  15090.500 

n÷3  10060.333 
n÷4  7545.250 
n÷5  6036.200 
Exponentiation
n^{y}n^{2}  910892761 

n^{3}  27491654419741 
n^{4}  829725622042203121 
n^{5}  25041948998855732394901 
Nth Root
^{y}√n^{2}√n  173.72679701186 

^{3}√n  31.13468970314 
^{4}√n  13.180546157571 
^{5}√n  7.8694924866008 
30181 as geometric shapes
Circle
Radius = nDiameter  60362 

Circumference  189632.81575599 
Area  2861654006.1657 
Sphere
Radius = nVolume  1.1515677274678E+14 

Surface area  11446616024.663 
Circumference  189632.81575599 
Square
Length = nPerimeter  120724 

Area  910892761 
Diagonal  42682.379525982 
Cube
Length = nSurface area  5465356566 

Volume  27491654419741 
Space diagonal  52275.025423236 
Equilateral Triangle
Length = nPerimeter  90543 

Area  394428135.57467 
Altitude  26137.512711618 
Triangular Pyramid
Length = nSurface area  1577712542.2987 

Volume  3239922544372.7 
Height  24642.68330898 
Cryptographic Hash Functions
md5  e02476ced92efdc385c3fca2c0de05fd 

sha1  083f2f7ae757654702ca3bc6f5b779283bf90388 
sha256  5be6928069cf346181c3a19b004170470a5ba9618287f9e68069c11bc4830222 
sha512  fb4f89bd1778d60831de5bdc1d2a4a56b9998d5bdf88ce6b42ae7978e7d40505d39f5741313cb30bc32f2c19ed7f2e973b72772992f6ba1b326e930c66c26a59 
ripemd160  3587ff789927ee1bc81091ebff0699b51ee7d6e6 