21349 (number)
21,349 (twentyone thousand three hundred fortynine) is an odd fivedigits composite number following 21348 and preceding 21350. In scientific notation, it is written as 2.1349 × 10^{4}. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 20,736 positive integers (up to 21349) that are relatively prime to 21349.
Basic properties
 Is Prime? No
 Number parity Odd
 Number length 5
 Sum of Digits 19
 Digital Root 1
Name
Short name  21 thousand 349 

Full name  twentyone thousand three hundred fortynine 
Notation
Scientific notation  2.1349 × 10^{4} 

Engineering notation  21.349 × 10^{3} 
Prime Factorization of 21349
Prime Factorization 37 × 577
Composite numberω(n)  Distinct Factors  2  Total number of distinct prime factors 

Ω(n)  Total Factors  2  Total number of prime factors 
rad(n)  Radical  21349  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 21,349 is 37 × 577. Since it has a total of 2 prime factors, 21,349 is a composite number.
Divisors of 21349
4 divisors
τ(n)  Total Divisors  4  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  21964  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  615  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  5491  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  146.1129699924  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  3.8879985430705  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 21,349 can be divided by 4 positive divisors (out of which 0 are even, and 4 are odd). The sum of these divisors (counting 21,349) is 21,964, the average is 5,491.
Other Arithmetic Functions (n = 21349)
φ(n)  Euler Totient  20736  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  576  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 2401  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 20,736 positive integers (less than 21,349) that are coprime with 21,349. And there are approximately 2,401 prime numbers less than or equal to 21,349.
Divisibility of 21349
m  2  3  4  5  6  7  8  9 

n mod m  1  1  1  4  1  6  5  1 
21,349 is not divisible by any number less than or equal to 9.
Classification of 21349
By Arithmetic functions
 Arithmetic
 Semiprime
 Deficient
Expressible via specific sums
 Polite
By Powers
 Square Free
Other numbers
 LucasCarmichael
Base conversion (21349)
Base  System  Value 

2  Binary  101001101100101 
3  Ternary  1002021201 
4  Quaternary  11031211 
5  Quinary  1140344 
6  Senary  242501 
8  Octal  51545 
10  Decimal  21349 
12  Duodecimal  10431 
16  Hexadecimal  5365 
20  Vigesimal  2d79 
36  Base36  gh1 
Basic calculations (n = 21349)
Multiplication
n×yn×2  42698 

n×3  64047 
n×4  85396 
n×5  106745 
Division
n÷yn÷2  10674.500 

n÷3  7116.333 
n÷4  5337.250 
n÷5  4269.800 
Exponentiation
n^{y}n^{2}  455779801 

n^{3}  9730442971549 
n^{4}  207735226999599601 
n^{5}  4434939361214451881749 
Nth Root
^{y}√n^{2}√n  146.1129699924 

^{3}√n  27.741238475251 
^{4}√n  12.087719801203 
^{5}√n  7.343033464778 
21349 as geometric shapes
Circle
Radius = nDiameter  42698 

Circumference  134139.72312298 
Area  1431874474.4762 
Sphere
Radius = nVolume  40758784207457 

Surface area  5727497897.9049 
Circumference  134139.72312298 
Square
Length = nPerimeter  85396 

Area  455779801 
Diagonal  30192.045343103 
Cube
Length = nSurface area  2734678806 

Volume  9730442971549 
Space diagonal  36977.552690788 
Equilateral Triangle
Length = nPerimeter  64047 

Area  197358443.09891 
Altitude  18488.776345394 
Triangular Pyramid
Length = nSurface area  789433772.39563 

Volume  1146743701521.9 
Height  17431.385506226 
Cryptographic Hash Functions
md5  683cc00f22b1a9f8785120b125cf84f7 

sha1  fd8004614b3baa394ce836a6e1d7f1adc3caabfd 
sha256  b02fdf113e8368fc4d04fc7d9266d1df262cd327f76d8b20b540abe0c2e1535b 
sha512  43458af3558d63d6aacd80f8381b06a09f7272a75a2527d86f993a5c1ddb1d2ed942f9d9ec3a0a4186f7a14fb5c6b410c73b7f5da25f767cb91ecdc4dc2dc5ec 
ripemd160  b0a768183fd862c68ec056cafd81ea377bf7dfd1 