28286904 (number)

28286904 is an even 8-digits composite number following 28286903 and preceding 28286905. In scientific notation, it is written as 2.8286904 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 16 positive divisors. There are 9428960 positive integers (up to 28286904) that are relatively prime to 28286904.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred eighty-six thousand nine hundred four

Notation

Scientific notation 2.8286904 × 10^7
Engineering notation 2.8286904 × 10^6

Prime Factorization of 28286904

Prime Factorization 2 × 2 × 2 × 3 × 1178621

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 7071726
Product of the distinct prime numbers

The prime factorization of 28286904 is 2 × 2 × 2 × 3 × 1178621. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28286904)

Multiplication

n×y
n×2 56573808
n×3 84860712
n×4 113147616
n×5 141434520

Division

n÷y
n÷2 14143452
n÷3 9428968
n÷3 7071726
n÷5 5657380.8

Exponentiation

ny
n2 800148937905216
n3 2.2633736192227E+22
n4 6.4023832283085E+29
n5 1.8110359975037E+37

Nth Root

y√n
2√n 5318.5434096188
3√n 304.69252898471
4√n 72.928344349909
5√n 30.92552516002

Divisors of 28286904

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28286903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28286904 can be divided by 16 positive divisors. The sum of these divisors (counting 28286904) is 1, the average is 0.0625.

Base conversion 28286904

Base System Value
2 Binary 1101011111001111110111000
3 Ternary 1222020010100010
4 Quaternary 1223321332320
5 Quinary 24220140104
6 Senary 2450141520
8 Octal 153717670
10 Decimal 28286904
12 Duodecimal 95818a0
16 Hexadecimal 1af9fb8
20 Vigesimal 8gfh54
36 Base36 guabc

Cryptographic Hash Functions

md5 07cd4d0af3cc30f89886d92230ab3a69
sha1 bb6d48588f7effe449739884c0f76e0ac8cecff5
sha256 5e72ad5eb5c15eef616fe16e52440fabc881c48305a61484d1fb561c6c48c66f
sha512 9dff5620ca2eb90a5e9cb9e89f206e03c54f7f803480f6e4baa65b86bfeaba2f6ed7a35fb52546838e1c906a7fab776dec6157ef7b557161a9b3aa91ecf5987d
ripemd-160 c137628fe6f4c19cbcf00338c2048fc283b2fec0

28286904 as geometric shapes

Circle

Radius = n
Diameter 56573808
Circumference 177731859.5984
Area 2.5137420251007E+15

Sphere

Radius = n
Volume 9.4807972459719E+22
Surface area 1.0054968100403E+16
Circumference 177731859.5984

Square

Length = n
Perimeter 113147616
Area 800148937905216
Diagonal 40003723.274346

Cube

Length = n
Surface area 4800893627431296
Volume 2.2633736192227E+22
Space diagonal 48994354.916823

Equilateral Triangle

Length = n
Perimeter 84860712
Area 3.4647465351853E+14
Altitude 24497177.458412

Triangular Pyramid

Length = n
Surface area 3.4647465351853E+14
Volume 2.6674113908518E+21
Height 13334574.424782