2975 (number)
2,975 (two thousand nine hundred seventyfive) is an odd fourdigits composite number following 2974 and preceding 2976. In scientific notation, it is written as 2.975 × 10^{3}. The sum of its digits is 23. It has a total of 4 prime factors and 12 positive divisors. There are 1,920 positive integers (up to 2975) that are relatively prime to 2975.
Basic properties
 Is Prime? No
 Number parity Odd
 Number length 4
 Sum of Digits 23
 Digital Root 5
Name
Short name  2 thousand 975 

Full name  two thousand nine hundred seventyfive 
Notation
Scientific notation  2.975 × 10^{3} 

Engineering notation  2.975 × 10^{3} 
Prime Factorization of 2975
Prime Factorization 5^{2} × 7 × 17
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  595  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 2,975 is 5^{2} × 7 × 17. Since it has a total of 4 prime factors, 2,975 is a composite number.
Divisors of 2975
12 divisors
τ(n)  Total Divisors  12  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  4464  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  1489  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  372  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  54.543560573179  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  7.997311827957  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 2,975 can be divided by 12 positive divisors (out of which 0 are even, and 12 are odd). The sum of these divisors (counting 2,975) is 4,464, the average is 372.
Other Arithmetic Functions (n = 2975)
φ(n)  Euler Totient  1920  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  240  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 430  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 1,920 positive integers (less than 2,975) that are coprime with 2,975. And there are approximately 430 prime numbers less than or equal to 2,975.
Divisibility of 2975
m  2  3  4  5  6  7  8  9 

n mod m  1  2  3  0  5  0  7  5 
The number 2,975 is divisible by 5 and 7.
Classification of 2975
By Arithmetic functions
 Arithmetic
 Deficient
Expressible via specific sums
 Polite
Base conversion (2975)
Base  System  Value 

2  Binary  101110011111 
3  Ternary  11002012 
4  Quaternary  232133 
5  Quinary  43400 
6  Senary  21435 
8  Octal  5637 
10  Decimal  2975 
12  Duodecimal  187b 
16  Hexadecimal  b9f 
20  Vigesimal  78f 
36  Base36  2an 
Basic calculations (n = 2975)
Multiplication
n×yn×2  5950 

n×3  8925 
n×4  11900 
n×5  14875 
Division
n÷yn÷2  1487.500 

n÷3  991.666 
n÷4  743.750 
n÷5  595.000 
Exponentiation
n^{y}n^{2}  8850625 

n^{3}  26330609375 
n^{4}  78333562890625 
n^{5}  233042349599609375 
Nth Root
^{y}√n^{2}√n  54.543560573179 

^{3}√n  14.382321412234 
^{4}√n  7.3853612351177 
^{5}√n  4.9510509322717 
2975 as geometric shapes
Circle
Radius = nDiameter  5950 

Circumference  18692.476288859 
Area  27805058.479678 
Sphere
Radius = nVolume  110293398636.06 

Surface area  111220233.91871 
Circumference  18692.476288859 
Square
Length = nPerimeter  11900 

Area  8850625 
Diagonal  4207.28534806 
Cube
Length = nSurface area  53103750 

Volume  26330609375 
Space diagonal  5152.8511525174 
Equilateral Triangle
Length = nPerimeter  8925 

Area  3832433.0446848 
Altitude  2576.4255762587 
Triangular Pyramid
Length = nSurface area  15329732.178739 

Volume  3103092073.6394 
Height  2429.07732826 
Cryptographic Hash Functions
md5  2ef3e50fd7c1091dda165f25be7f64fd 

sha1  a5032bbea5c04c3947d0d0fa4bf03139178be3df 
sha256  dda106a2f4e910d11cfa4a8c75dad1e186870c519ecb94ef2106829287cd3519 
sha512  2f0543c6303055ed7162f9f9ffc2c6f66a98f4d7824b2bfce1ce18d4f61cdceac297defde54f3ae145e04ebb0c3e260cf72c9757300a7c25d810405427426fd9 
ripemd160  cc9515726c4e4f36f9c4d09bd073241706d115f8 