133891 (number)
133,891 (one hundred thirtythree thousand eight hundred ninetyone) is an odd sixdigits composite number following 133890 and preceding 133892. In scientific notation, it is written as 1.33891 × 10^{5}. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 133,000 positive integers (up to 133891) that are relatively prime to 133891.
Basic properties
 Is Prime? No
 Number parity Odd
 Number length 6
 Sum of Digits 25
 Digital Root 7
Name
Short name  133 thousand 891 

Full name  one hundred thirtythree thousand eight hundred ninetyone 
Notation
Scientific notation  1.33891 × 10^{5} 

Engineering notation  133.891 × 10^{3} 
Prime Factorization of 133891
Prime Factorization 191 × 701
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  133891  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 133,891 is 191 × 701. Since it has a total of 2 prime factors, 133,891 is a composite number.
Divisors of 133891
4 divisors
τ(n)  Total Divisors  4  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  134784  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  893  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  33696  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  365.91119141125  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  3.9734983380817  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 133,891 can be divided by 4 positive divisors (out of which 0 are even, and 4 are odd). The sum of these divisors (counting 133,891) is 134,784, the average is 33,696.
Other Arithmetic Functions (n = 133891)
φ(n)  Euler Totient  133000  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  13300  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 12457  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 133,000 positive integers (less than 133,891) that are coprime with 133,891. And there are approximately 12,457 prime numbers less than or equal to 133,891.
Divisibility of 133891
m  2  3  4  5  6  7  8  9 

n mod m  1  1  3  1  1  2  3  7 
133,891 is not divisible by any number less than or equal to 9.
Classification of 133891
By Arithmetic functions
 Arithmetic
 Semiprime
 Deficient
Expressible via specific sums
 Polite
By Powers
 Square Free
Other numbers
 LucasCarmichael
Base conversion (133891)
Base  System  Value 

2  Binary  100000101100000011 
3  Ternary  20210122221 
4  Quaternary  200230003 
5  Quinary  13241031 
6  Senary  2511511 
8  Octal  405403 
10  Decimal  133891 
12  Duodecimal  65597 
16  Hexadecimal  20b03 
20  Vigesimal  geeb 
36  Base36  2vb7 
Basic calculations (n = 133891)
Multiplication
n×yn×2  267782 

n×3  401673 
n×4  535564 
n×5  669455 
Division
n÷yn÷2  66945.500 

n÷3  44630.333 
n÷4  33472.750 
n÷5  26778.200 
Exponentiation
n^{y}n^{2}  17926799881 

n^{3}  2400237162866971 
n^{4}  321370153973421614161 
n^{5}  43028571285655393341630451 
Nth Root
^{y}√n^{2}√n  365.91119141125 

^{3}√n  51.158420629048 
^{4}√n  19.128805279244 
^{5}√n  10.601084031548 
133891 as geometric shapes
Circle
Radius = nDiameter  267782 

Circumference  841261.96396358 
Area  56318702808.524 
Sphere
Radius = nVolume  1.0054089916981E+16 

Surface area  225274811234.1 
Circumference  841261.96396358 
Square
Length = nPerimeter  535564 

Area  17926799881 
Diagonal  189350.4680797 
Cube
Length = nSurface area  107560799286 

Volume  2400237162866971 
Space diagonal  231906.0146762 
Equilateral Triangle
Length = nPerimeter  401673 

Area  7762532052.7529 
Altitude  115953.0073381 
Triangular Pyramid
Length = nSurface area  31050128211.012 

Volume  2.8287066238653E+14 
Height  109321.54371699 
Cryptographic Hash Functions
md5  b528804bdea16273bb3758cc254bf610 

sha1  0ad998bdf07941c42ef84046f0ab3284f1deff0c 
sha256  8c5da8c9d1189484c166ac61eaf68d363fefec92c9d37623898b1341fc3cc4d9 
sha512  a76afc28c17e77404c4aeefebdda777636242cd47fb38a4c086622a5379f5bed352fd442bc5c237126fe433dae2cc10c60308c75dab2b4f5e051f3299e82eef6 
ripemd160  9c65af0ae5329c1a816bf087be704121a1ca4a12 