28285909 (number)

28285909 is an odd 8-digits composite number following 28285908 and preceding 28285910. In scientific notation, it is written as 2.8285909 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 26622016 positive integers (up to 28285909) that are relatively prime to 28285909.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred eighty-five thousand nine hundred nine

Notation

Scientific notation 2.8285909 × 10^7
Engineering notation 2.8285909 × 10^6

Prime Factorization of 28285909

Prime Factorization 17 × 1663877

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28285909
Product of the distinct prime numbers

The prime factorization of 28285909 is 17 × 1663877. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28285909)

Multiplication

n×y
n×2 56571818
n×3 84857727
n×4 113143636
n×5 141429545

Division

n÷y
n÷2 14142954.5
n÷3 9428636.3333333
n÷3 7071477.25
n÷5 5657181.8

Exponentiation

ny
n2 800092647956281
n3 2.263134783166E+22
n4 6.4014824531369E+29
n5 1.8107175013453E+37

Nth Root

y√n
2√n 5318.4498681477
3√n 304.68895639365
4√n 72.927703022567
5√n 30.925307594107

Divisors of 28285909

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28285908
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28285909 can be divided by 4 positive divisors. The sum of these divisors (counting 28285909) is 1, the average is 0.25.

Base conversion 28285909

Base System Value
2 Binary 1101011111001101111010101
3 Ternary 1222020001222021
4 Quaternary 1223321233111
5 Quinary 24220122114
6 Senary 2450133141
8 Octal 153715725
10 Decimal 28285909
12 Duodecimal 95811b1
16 Hexadecimal 1af9bd5
20 Vigesimal 8gfef9
36 Base36 gu9jp

Cryptographic Hash Functions

md5 875df5ffcfbaaabc908bfc269a7c876a
sha1 ba69a3025c84bc24993e6118c125672b1915eeef
sha256 66ab2e25080d6aacd449e843756c534bafdeb011a9f3f90ca1a860b9cf76ecca
sha512 ca4f5c104f9c35778d1b3e7c7d73fc03b6f958555fdf7fe1f1159571863b958fe4522fce4478497d67533988cd5a2f44cfec2ce3067a0d8cd18e803b02843a63
ripemd-160 e5924c93c16e74ae19489bf7572515c78192d46c

28285909 as geometric shapes

Circle

Radius = n
Diameter 56571818
Circumference 177725607.82902
Area 2.5135651850107E+15

Sphere

Radius = n
Volume 9.4797968118373E+22
Surface area 1.0054260740043E+16
Circumference 177725607.82902

Square

Length = n
Perimeter 113143636
Area 800092647956281
Diagonal 40002316.131851

Cube

Length = n
Surface area 4800555887737686
Volume 2.263134783166E+22
Space diagonal 48992631.52627

Equilateral Triangle

Length = n
Perimeter 84857727
Area 3.4645027925565E+14
Altitude 24496315.763135

Triangular Pyramid

Length = n
Surface area 3.4645027925565E+14
Volume 2.6671299198598E+21
Height 13334105.377284