28402009 (number)

28402009 is an odd 8-digits composite number following 28402008 and preceding 28402010. In scientific notation, it is written as 2.8402009 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 28197540 positive integers (up to 28402009) that are relatively prime to 28402009.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred two thousand nine

Notation

Scientific notation 2.8402009 × 10^7
Engineering notation 2.8402009 × 10^6

Prime Factorization of 28402009

Prime Factorization 139 × 204331

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28402009
Product of the distinct prime numbers

The prime factorization of 28402009 is 139 × 204331. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28402009)

Multiplication

n×y
n×2 56804018
n×3 85206027
n×4 113608036
n×5 142010045

Division

n÷y
n÷2 14201004.5
n÷3 9467336.3333333
n÷3 7100502.25
n÷5 5680401.8

Exponentiation

ny
n2 806674115236081
n3 2.2911165481002E+22
n4 6.5072312819191E+29
n5 1.8481844143415E+37

Nth Root

y√n
2√n 5329.3535255226
3√n 305.1052543654
4√n 73.002421367531
5√n 30.9506527078

Divisors of 28402009

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 -28402008
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 28402009 can be divided by 4 positive divisors. The sum of these divisors (counting 28402009) is 1, the average is 0.25.

Base conversion 28402009

Base System Value
2 Binary 1101100010110000101011001
3 Ternary 1222102222020021
4 Quaternary 1230112011121
5 Quinary 24232331014
6 Senary 2452430441
8 Octal 154260531
10 Decimal 28402009
12 Duodecimal 9618421
16 Hexadecimal 1b16159
20 Vigesimal 8ha509
36 Base36 gwr4p

Cryptographic Hash Functions

md5 217fc7ee39e77b5bdc0b00a85b21f7ad
sha1 f3d101160fb0878eb38cc6fd68132e61e9f4d70b
sha256 5f9703173a150db2ea1f4e82584cba911c7c1a64c888e66d59d269445b10dcad
sha512 76c6988c6b383407d700c05f58d7a2cf9e5f4e8b615beb7bd4d37cceab888d58557942ed8eed164ee595c55c5fd3590a25ff10d07476efd0b40d1edfadc2365b
ripemd-160 038013779ae21a55e83409fe2a7ef7a5f22abe49

28402009 as geometric shapes

Circle

Radius = n
Diameter 56804018
Circumference 178455085.64318
Area 2.5342414742667E+15

Sphere

Radius = n
Volume 9.5970065547062E+22
Surface area 1.0136965897067E+16
Circumference 178455085.64318

Square

Length = n
Perimeter 113608036
Area 806674115236081
Diagonal 40166506.326443

Cube

Length = n
Surface area 4840044691416486
Volume 2.2911165481002E+22
Space diagonal 49193722.625029

Equilateral Triangle

Length = n
Perimeter 85206027
Area 3.4930013818489E+14
Altitude 24596861.312514

Triangular Pyramid

Length = n
Surface area 3.4930013818489E+14
Volume 2.700106746084E+21
Height 13388835.442148