2920 (number)
2,920 (two thousand nine hundred twenty) is an even fourdigits composite number following 2919 and preceding 2921. In scientific notation, it is written as 2.92 × 10^{3}. The sum of its digits is 13. It has a total of 5 prime factors and 16 positive divisors. There are 1,152 positive integers (up to 2920) that are relatively prime to 2920.
Basic properties
 Is Prime? No
 Number parity Even
 Number length 4
 Sum of Digits 13
 Digital Root 4
Name
Short name  2 thousand 920 

Full name  two thousand nine hundred twenty 
Notation
Scientific notation  2.92 × 10^{3} 

Engineering notation  2.92 × 10^{3} 
Prime Factorization of 2920
Prime Factorization 2^{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  730  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 2,920 is 2^{3} × 5 × 73. Since it has a total of 5 prime factors, 2,920 is a composite number.
Divisors of 2920
16 divisors
τ(n)  Total Divisors  16  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  6660  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  3740  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  416.25  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  54.037024344425  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  7.015015015015  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 2,920 can be divided by 16 positive divisors (out of which 12 are even, and 4 are odd). The sum of these divisors (counting 2,920) is 6,660, the average is 416,.25.
Other Arithmetic Functions (n = 2920)
φ(n)  Euler Totient  1152  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  ≈ 423  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 1,152 positive integers (less than 2,920) that are coprime with 2,920. And there are approximately 423 prime numbers less than or equal to 2,920.
Divisibility of 2920
m  2  3  4  5  6  7  8  9 

n mod m  0  1  0  0  4  1  0  4 
The number 2,920 is divisible by 2, 4, 5 and 8.
Classification of 2920
By Arithmetic functions
 Abundant
Expressible via specific sums
 Polite
 Practical
Base conversion (2920)
Base  System  Value 

2  Binary  101101101000 
3  Ternary  11000011 
4  Quaternary  231220 
5  Quinary  43140 
6  Senary  21304 
8  Octal  5550 
10  Decimal  2920 
12  Duodecimal  1834 
16  Hexadecimal  b68 
20  Vigesimal  760 
36  Base36  294 
Basic calculations (n = 2920)
Multiplication
n×yn×2  5840 

n×3  8760 
n×4  11680 
n×5  14600 
Division
n÷yn÷2  1460.000 

n÷3  973.333 
n÷4  730.000 
n÷5  584.000 
Exponentiation
n^{y}n^{2}  8526400 

n^{3}  24897088000 
n^{4}  72699496960000 
n^{5}  212282531123200000 
Nth Root
^{y}√n^{2}√n  54.037024344425 

^{3}√n  14.29313899763 
^{4}√n  7.3509879842389 
^{5}√n  4.9326076290041 
2920 as geometric shapes
Circle
Radius = nDiameter  5840 

Circumference  18346.901096964 
Area  26786475.601568 
Sphere
Radius = nVolume  104288678342.1 

Surface area  107145902.40627 
Circumference  18346.901096964 
Square
Length = nPerimeter  11680 

Area  8526400 
Diagonal  4129.5036021294 
Cube
Length = nSurface area  51158400 

Volume  24897088000 
Space diagonal  5057.5883581011 
Equilateral Triangle
Length = nPerimeter  8760 

Area  3692039.5014138 
Altitude  2528.7941790506 
Triangular Pyramid
Length = nSurface area  14768158.005655 

Volume  2934149959.433 
Height  2384.170016309 
Cryptographic Hash Functions
md5  465636eb4a7ff4b267f3b765d07a02da 

sha1  2fb957b813146e5b1e16439b82f80f7711e6f051 
sha256  b72b9e445e2cda580ee6157ac2d46a1d6683a42d94de92256ffbcfd7f3803949 
sha512  f7305685476b597beb9dee21b12e829269b8f5691d9e3dcffd708fbc1d75fb4f3046317381326c40dd2a8afdf3e8d44d0c1ba132ff21c1493f2194351ed1934d 
ripemd160  a2aa9fda6a8b9dd6265d4614fdc215012690252e 