21177 (number)
21,177 (twentyone thousand one hundred seventyseven) is an odd fivedigits composite number following 21176 and preceding 21178. In scientific notation, it is written as 2.1177 × 10^{4}. The sum of its digits is 18. It has a total of 4 prime factors and 12 positive divisors. There are 12,960 positive integers (up to 21177) that are relatively prime to 21177.
Basic properties
 Is Prime? No
 Number parity Odd
 Number length 5
 Sum of Digits 18
 Digital Root 9
Name
Short name  21 thousand 177 

Full name  twentyone thousand one hundred seventyseven 
Notation
Scientific notation  2.1177 × 10^{4} 

Engineering notation  21.177 × 10^{3} 
Prime Factorization of 21177
Prime Factorization 3^{2} × 13 × 181
Composite numberω(n)  Distinct Factors  3  Total number of distinct prime factors 

Ω(n)  Total Factors  4  Total number of prime factors 
rad(n)  Radical  7059  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  0  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 21,177 is 3^{2} × 13 × 181. Since it has a total of 4 prime factors, 21,177 is a composite number.
Divisors of 21177
12 divisors
τ(n)  Total Divisors  12  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  33124  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  11947  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  2760.333  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  145.52319402762  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  7.6718995290433  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 21,177 can be divided by 12 positive divisors (out of which 0 are even, and 12 are odd). The sum of these divisors (counting 21,177) is 33,124, the average is 27,60.,333.
Other Arithmetic Functions (n = 21177)
φ(n)  Euler Totient  12960  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  180  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 2384  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 12,960 positive integers (less than 21,177) that are coprime with 21,177. And there are approximately 2,384 prime numbers less than or equal to 21,177.
Divisibility of 21177
m  2  3  4  5  6  7  8  9 

n mod m  1  0  1  2  3  2  1  0 
The number 21,177 is divisible by 3 and 9.
Classification of 21177
By Arithmetic functions
 Deficient
Expressible via specific sums
 Polite
Base conversion (21177)
Base  System  Value 

2  Binary  101001010111001 
3  Ternary  1002001100 
4  Quaternary  11022321 
5  Quinary  1134202 
6  Senary  242013 
8  Octal  51271 
10  Decimal  21177 
12  Duodecimal  10309 
16  Hexadecimal  52b9 
20  Vigesimal  2cih 
36  Base36  gc9 
Basic calculations (n = 21177)
Multiplication
n×yn×2  42354 

n×3  63531 
n×4  84708 
n×5  105885 
Division
n÷yn÷2  10588.500 

n÷3  7059.000 
n÷4  5294.250 
n÷5  4235.400 
Exponentiation
n^{y}n^{2}  448465329 

n^{3}  9497150272233 
n^{4}  201121151315078241 
n^{5}  4259142621399411909657 
Nth Root
^{y}√n^{2}√n  145.52319402762 

^{3}√n  27.666537635888 
^{4}√n  12.06329946688 
^{5}√n  7.3311631969968 
21177 as geometric shapes
Circle
Radius = nDiameter  42354 

Circumference  133059.01525014 
Area  1408895382.9761 
Sphere
Radius = nVolume  39781570033714 

Surface area  5635581531.9045 
Circumference  133059.01525014 
Square
Length = nPerimeter  84708 

Area  448465329 
Diagonal  29948.800610375 
Cube
Length = nSurface area  2690791974 

Volume  9497150272233 
Space diagonal  36679.639951886 
Equilateral Triangle
Length = nPerimeter  63531 

Area  194191183.81527 
Altitude  18339.819975943 
Triangular Pyramid
Length = nSurface area  776764735.26109 

Volume  1119249893240.6 
Height  17290.948094306 
Cryptographic Hash Functions
md5  e455b820b9478a022f0ef44cf2f56db4 

sha1  912851358e1a656518d77739c426e0563245980b 
sha256  f1faa7d4a1f0b7faaab9144607e63b5563a97767c288875079558b865d8523be 
sha512  1b8f14d019526d2961bbfd81784f7aa75789996c0aba6677b77ae9c21dbdf463ff2ea2a47e901150879d73a03fef222b8c4cdaf511937c2870fde5d8ddcd387d 
ripemd160  d37a1621f005caa06e8842ecc376a945a844e3fb 