28421930 (number)

28421930 is an even 8-digits composite number following 28421929 and preceding 28421931. In scientific notation, it is written as 2.8421930 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 11368768 positive integers (up to 28421930) that are relatively prime to 28421930.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred twenty-one thousand nine hundred thirty

Notation

Scientific notation 2.8421930 × 10^7
Engineering notation 2.8421930 × 10^6

Prime Factorization of 28421930

Prime Factorization 2 × 5 × 2842193

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28421930
Product of the distinct prime numbers

The prime factorization of 28421930 is 2 × 5 × 2842193. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28421930)

Multiplication

n×y
n×2 56843860
n×3 85265790
n×4 113687720
n×5 142109650

Division

n÷y
n÷2 14210965
n÷3 9473976.6666667
n÷3 7105482.5
n÷5 5684386

Exponentiation

ny
n2 807806104924900
n3 2.2959408567748E+22
n4 6.5255070315394E+29
n5 1.8546750406492E+37

Nth Root

y√n
2√n 5331.2221863284
3√n 305.17657069729
4√n 73.015218867907
5√n 30.954993210913

Divisors of 28421930

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 -28421929
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 28421930 can be divided by 8 positive divisors. The sum of these divisors (counting 28421930) is 1, the average is 0.125.

Base conversion 28421930

Base System Value
2 Binary 1101100011010111100101010
3 Ternary 1222110222120002
4 Quaternary 1230122330222
5 Quinary 24234000210
6 Senary 2453103002
8 Octal 154327452
10 Decimal 28421930
12 Duodecimal 9627a62
16 Hexadecimal 1b1af2a
20 Vigesimal 8hcega
36 Base36 gx6i2

Cryptographic Hash Functions

md5 240c7e189c369b70f79b8bd8d06b26e4
sha1 9dc36203974c80efee3d5433504218f86851040a
sha256 7c6dba435e7a409ca28ad9110bf8fa98c38b70f43fc8ad9045d920cb2a5afde9
sha512 8e6f21aa8f9fe5e804d45222c354996f5b2edfdf3f7a00f0b19ce8836ec2c9057000bd72a03b6c8c6f36e746212a6bf2731695be2c6541f233fc39b8a09855ec
ripemd-160 10553fc7fc3d68bbd3ad956b33e80840a0cba511

28421930 as geometric shapes

Circle

Radius = n
Diameter 56843860
Circumference 178580252.97769
Area 2.5377977247571E+15

Sphere

Radius = n
Volume 9.6172145716272E+22
Surface area 1.0151190899028E+16
Circumference 178580252.97769

Square

Length = n
Perimeter 113687720
Area 807806104924900
Diagonal 40194678.874819

Cube

Length = n
Surface area 4846836629549400
Volume 2.2959408567748E+22
Space diagonal 49228226.809166

Equilateral Triangle

Length = n
Perimeter 85265790
Area 3.4979030409856E+14
Altitude 24614113.404583

Triangular Pyramid

Length = n
Surface area 3.4979030409856E+14
Volume 2.7057922483812E+21
Height 13398226.291606