28904 (number)

28904 is an even 5-digits composite number following 28903 and preceding 28905. In scientific notation, it is written as 2.8904 × 10^4. The sum of its digits is 23. It has a total of 4 prime factors and 8 positive divisors. There are 14448 positive integers (up to 28904) that are relatively prime to 28904.

Interesting facts

Basic properties

Name

Name twenty-eight thousand nine hundred four

Notation

Scientific notation 2.8904 × 10^4
Engineering notation 2.8904 × 10^3

Prime Factorization of 28904

Prime Factorization 2 × 2 × 2 × 3613

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 7226
Product of the distinct prime numbers

The prime factorization of 28904 is 2 × 2 × 2 × 3613. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28904)

Multiplication

n×y
n×2 57808
n×3 86712
n×4 115616
n×5 144520

Division

n÷y
n÷2 14452
n÷3 9634.6666666667
n÷3 7226
n÷5 5780.8

Exponentiation

ny
n2 835441216
n3 24147592907264
n4 697962025391558656
n5 2.0173894381918E+22

Nth Root

y√n
2√n 170.01176429883
3√n 30.689229352396
4√n 13.038855942867
5√n 7.8017420973017

Divisors of 28904

1, 2, 4, 8, 3613, 7226, 14452, 28904

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28904 can be divided by 8 positive divisors. The sum of these divisors (counting 28904) is 1, the average is 0.125.

Base conversion 28904

Base System Value
2 Binary 111000011101000
3 Ternary 1110122112
4 Quaternary 13003220
5 Quinary 1411104
6 Senary 341452
8 Octal 70350
10 Decimal 28904
12 Duodecimal 14888
16 Hexadecimal 70e8
20 Vigesimal 3c54
36 Base36 maw

Cryptographic Hash Functions

md5 0ebd0b8b51eb0d0062065a7657486c8e
sha1 86623989e824aea4132e6497fd20af26a767e93a
sha256 f303f97b5d00c9fac9be7f477b069f784c98129dec164f1f92c4fd34ebf4d4a8
sha512 6d3d4b7f59589c4e96534f7859562757af8f10e5bac88ff8539dc4bd27ff4a5d814c227397aa5409f93e751ef774f629c795a140cb4a2afd4b4323ec9dbedf38
ripemd-160 2f9c37687a70ff28e87601c143fd714a4d30cc0b

28904 as geometric shapes

Circle

Radius = n
Diameter 57808
Circumference 181609.18811872
Area 2624615986.6917

Sphere

Radius = n
Volume 1.0114920063912E+14
Surface area 10498463946.767
Circumference 181609.18811872

Square

Length = n
Perimeter 115616
Area 835441216
Diagonal 40876.428806832

Cube

Length = n
Surface area 5012647296
Volume 24147592907264
Space diagonal 50063.196541971

Equilateral Triangle

Length = n
Perimeter 86712
Area 361756658.21228
Altitude 25031.598270985

Triangular Pyramid

Length = n
Surface area 361756658.21228
Volume 2845821115676.4
Height 13625.476268944