9855 (number)
9,855 (nine thousand eight hundred fiftyfive) is an odd fourdigits composite number following 9854 and preceding 9856. In scientific notation, it is written as 9.855 × 10^{3}. The sum of its digits is 27. It has a total of 5 prime factors and 16 positive divisors. There are 5,184 positive integers (up to 9855) that are relatively prime to 9855.
Basic properties
 Is Prime? No
 Number parity Odd
 Number length 4
 Sum of Digits 27
 Digital Root 9
Name
Short name  9 thousand 855 

Full name  nine thousand eight hundred fiftyfive 
Notation
Scientific notation  9.855 × 10^{3} 

Engineering notation  9.855 × 10^{3} 
Prime Factorization of 9855
Prime Factorization 3^{3} × 5 × 73
Composite numberω(n)  Distinct Factors  3  Total number of distinct prime factors 

Ω(n)  Total Factors  5  Total number of prime factors 
rad(n)  Radical  1095  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 9,855 is 3^{3} × 5 × 73. Since it has a total of 5 prime factors, 9,855 is a composite number.
Divisors of 9855
16 divisors
τ(n)  Total Divisors  16  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  17760  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  7905  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  1110  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  99.272352646646  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  8.8783783783784  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 9,855 can be divided by 16 positive divisors (out of which 0 are even, and 16 are odd). The sum of these divisors (counting 9,855) is 17,760, the average is 1,110.
Other Arithmetic Functions (n = 9855)
φ(n)  Euler Totient  5184  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  72  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 1215  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 5,184 positive integers (less than 9,855) that are coprime with 9,855. And there are approximately 1,215 prime numbers less than or equal to 9,855.
Divisibility of 9855
m  2  3  4  5  6  7  8  9 

n mod m  1  0  3  0  3  6  7  0 
The number 9,855 is divisible by 3, 5 and 9.
Classification of 9855
By Arithmetic functions
 Arithmetic
 Deficient
Expressible via specific sums
 Polite
Base conversion (9855)
Base  System  Value 

2  Binary  10011001111111 
3  Ternary  111112000 
4  Quaternary  2121333 
5  Quinary  303410 
6  Senary  113343 
8  Octal  23177 
10  Decimal  9855 
12  Duodecimal  5853 
16  Hexadecimal  267f 
20  Vigesimal  14cf 
36  Base36  7lr 
Basic calculations (n = 9855)
Multiplication
n×yn×2  19710 

n×3  29565 
n×4  39420 
n×5  49275 
Division
n÷yn÷2  4927.500 

n÷3  3285.000 
n÷4  2463.750 
n÷5  1971.000 
Exponentiation
n^{y}n^{2}  97121025 

n^{3}  957127701375 
n^{4}  9432493497050625 
n^{5}  92957223413433909375 
Nth Root
^{y}√n^{2}√n  99.272352646646 

^{3}√n  21.439708496445 
^{4}√n  9.9635512066053 
^{5}√n  6.2911686220055 
9855 as geometric shapes
Circle
Radius = nDiameter  19710 

Circumference  61920.791202255 
Area  305114698.64911 
Sphere
Radius = nVolume  4009207140249.3 

Surface area  1220458794.5964 
Circumference  61920.791202255 
Square
Length = nPerimeter  39420 

Area  97121025 
Diagonal  13937.074657187 
Cube
Length = nSurface area  582726150 

Volume  957127701375 
Space diagonal  17069.360708591 
Equilateral Triangle
Length = nPerimeter  29565 

Area  42054637.445792 
Altitude  8534.6803542956 
Triangular Pyramid
Length = nSurface area  168218549.78317 

Volume  112798581350.63 
Height  8046.5738050427 
Cryptographic Hash Functions
md5  d16a974d4d6d0d71b29bfbfe045f1da7 

sha1  28e238f17a59ae02e3064ce50adcd5b782230ef2 
sha256  d29158cdcb05c4162894840799ac6b49a4a4319dea915dcc50ef04acdf8536c6 
sha512  42c60f70fc78ff6da9ae90835e70a3e108e369120e328db12a98f192a867d8d936d6143cf9ec9e86eb6d7ab9f751d6aa69d9320149d7a02622b95e6863af67fd 
ripemd160  5ae5d8afe58fd4af936024a940de22db45a176af 