28231385 (number)

28231385 is an odd 8-digits composite number following 28231384 and preceding 28231386. In scientific notation, it is written as 2.8231385 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 17869248 positive integers (up to 28231385) that are relatively prime to 28231385.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred thirty-one thousand three hundred eighty-five

Notation

Scientific notation 2.8231385 × 10^7
Engineering notation 2.8231385 × 10^6

Prime Factorization of 28231385

Prime Factorization 65 × 7 × 62047

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28231385
Product of the distinct prime numbers

The prime factorization of 28231385 is 65 × 7 × 62047. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28231385)

Multiplication

n×y
n×2 56462770
n×3 84694155
n×4 112925540
n×5 141156925

Division

n÷y
n÷2 14115692.5
n÷3 9410461.6666667
n÷3 7057846.25
n÷5 5646277

Exponentiation

ny
n2 797011099018225
n3 2.2500727185657E+22
n4 6.3522669195824E+29
n5 1.7933329302949E+37

Nth Root

y√n
2√n 5313.3214659006
3√n 304.4930573633
4√n 72.892533677329
5√n 30.913376048371

Divisors of 28231385

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 -28231384
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 28231385 can be divided by 8 positive divisors. The sum of these divisors (counting 28231385) is 1, the average is 0.125.

Base conversion 28231385

Base System Value
2 Binary 1101011101100011011011001
3 Ternary 1222010022011212
4 Quaternary 1223230123121
5 Quinary 24211401020
6 Senary 2445032505
8 Octal 153543331
10 Decimal 28231385
12 Duodecimal 9555735
16 Hexadecimal 1aec6d9
20 Vigesimal 8g8i95
36 Base36 gt3h5

Cryptographic Hash Functions

md5 89a726d83b2bbbf9ab0e74eb70a1e21a
sha1 6cf2beef35bb1c40d6888d33e802989563dea9ce
sha256 0c7bd662c08fb9c97c77d126a519793a48170874c0e1eb34d93db62732e9fb5a
sha512 371c655e7926653049643d0281b9dbde88fce2202513f90e9fa8ee769d515ad560b54cece30b72c7de6f1455ccf278bab220698e41da5e6b09b6246f50b52ce4
ripemd-160 49f8fb4cd2f79f4705678ee3e14adc1877dd2061

28231385 as geometric shapes

Circle

Radius = n
Diameter 56462770
Circumference 177383023.43333
Area 2.5038842135052E+15

Sphere

Radius = n
Volume 9.4250825635849E+22
Surface area 1.0015536854021E+16
Circumference 177383023.43333

Square

Length = n
Perimeter 112925540
Area 797011099018225
Diagonal 39925207.551576

Cube

Length = n
Surface area 4782066594109350
Volume 2.2500727185657E+22
Space diagonal 48898193.188038

Equilateral Triangle

Length = n
Perimeter 84694155
Area 3.4511592942397E+14
Altitude 24449096.594019

Triangular Pyramid

Length = n
Surface area 3.4511592942397E+14
Volume 2.6517361291011E+21
Height 13308402.517192