28163931 (number)

28163931 is an odd 8-digits composite number following 28163930 and preceding 28163932. In scientific notation, it is written as 2.8163931 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 18775952 positive integers (up to 28163931) that are relatively prime to 28163931.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred sixty-three thousand nine hundred thirty-one

Notation

Scientific notation 2.8163931 × 10^7
Engineering notation 2.8163931 × 10^6

Prime Factorization of 28163931

Prime Factorization 3 × 9387977

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28163931
Product of the distinct prime numbers

The prime factorization of 28163931 is 3 × 9387977. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28163931)

Multiplication

n×y
n×2 56327862
n×3 84491793
n×4 112655724
n×5 140819655

Division

n÷y
n÷2 14081965.5
n÷3 9387977
n÷3 7040982.75
n÷5 5632786.2

Exponentiation

ny
n2 793207009372761
n3 2.2339827480691E+22
n4 6.2917735971808E+29
n5 1.7720107745862E+37

Nth Root

y√n
2√n 5306.9700394858
3√n 304.25035283682
4√n 72.84895359225
5√n 30.898589479106

Divisors of 28163931

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 -28163930
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 28163931 can be divided by 4 positive divisors. The sum of these divisors (counting 28163931) is 1, the average is 0.25.

Base conversion 28163931

Base System Value
2 Binary 1101011011011111101011011
3 Ternary 1221222212122120
4 Quaternary 1223123331123
5 Quinary 24202221211
6 Senary 2443352323
8 Octal 153337533
10 Decimal 28163931
12 Duodecimal 95226a3
16 Hexadecimal 1adbf5b
20 Vigesimal 8g09gb
36 Base36 grnff

Cryptographic Hash Functions

md5 82b067134c8f89a0acfd98775f24c585
sha1 ea4d73a23a2d57ea6e0379a6b90cc9bfc2976afb
sha256 b22069810b60279ca63407958d9cc6df58f5b7cc7ded26e1bcd7dadac9b86292
sha512 a70329164c995e30afbfac44db713df7422a988ff0c4bc43e65751e4d6d601b631cb1e52a88b3b6e2dd8ee925cf8a9a178947e158609cce6fe394f14dc592984
ripemd-160 019947a33822af163d04ce080096094546b38890

28163931 as geometric shapes

Circle

Radius = n
Diameter 56327862
Circumference 176959197.45162
Area 2.4919333134214E+15

Sphere

Radius = n
Volume 9.3576850527735E+22
Surface area 9.9677332536856E+15
Circumference 176959197.45162

Square

Length = n
Perimeter 112655724
Area 793207009372761
Diagonal 39829813.18994

Cube

Length = n
Surface area 4759242056236566
Volume 2.2339827480691E+22
Space diagonal 48781359.432864

Equilateral Triangle

Length = n
Perimeter 84491793
Area 3.4346871028835E+14
Altitude 24390679.716432

Triangular Pyramid

Length = n
Surface area 3.4346871028835E+14
Volume 2.6327739170223E+21
Height 13276604.396647