28403731 (number)

28403731 is an odd 8-digits composite number following 28403730 and preceding 28403732. In scientific notation, it is written as 2.8403731 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 27424264 positive integers (up to 28403731) that are relatively prime to 28403731.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred three thousand seven hundred thirty-one

Notation

Scientific notation 2.8403731 × 10^7
Engineering notation 2.8403731 × 10^6

Prime Factorization of 28403731

Prime Factorization 29 × 979439

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28403731
Product of the distinct prime numbers

The prime factorization of 28403731 is 29 × 979439. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28403731)

Multiplication

n×y
n×2 56807462
n×3 85211193
n×4 113614924
n×5 142018655

Division

n÷y
n÷2 14201865.5
n÷3 9467910.3333333
n÷3 7100932.75
n÷5 5680746.2

Exponentiation

ny
n2 806771934720361
n3 2.2915333012147E+22
n4 6.5088095465243E+29
n5 1.8487447548971E+37

Nth Root

y√n
2√n 5329.5150811307
3√n 305.11142036854
4√n 73.003527867705
5√n 30.951028003304

Divisors of 28403731

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 -28403730
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 28403731 can be divided by 4 positive divisors. The sum of these divisors (counting 28403731) is 1, the average is 0.25.

Base conversion 28403731

Base System Value
2 Binary 1101100010110100000010011
3 Ternary 1222110001121001
4 Quaternary 1230112200103
5 Quinary 24232404411
6 Senary 2452442431
8 Octal 154264023
10 Decimal 28403731
12 Duodecimal 9619417
16 Hexadecimal 1b16813
20 Vigesimal 8ha96b
36 Base36 gwsgj

Cryptographic Hash Functions

md5 a62d12f4bbc7d97cc6cb4e91f8bf0ac5
sha1 28e032bcd38158d2084b0c3052a1e1b40b3f8a2a
sha256 7ac44740acaaf6c8f18c83690886407bea69083546bc9c17a5116af99b846ca6
sha512 35531fae521223330e4ac22f64b4dbd8dee3d6ea644f3acc5da5b5cad67c24a3daabe2c93d983ee91a9afcfb0ce61cb98f60437865596b823a959ee3275dec08
ripemd-160 58284ed1f8ea1e49036cc1adae7432bde1c42600

28403731 as geometric shapes

Circle

Radius = n
Diameter 56807462
Circumference 178465905.28828
Area 2.5345487832399E+15

Sphere

Radius = n
Volume 9.5987522460698E+22
Surface area 1.013819513296E+16
Circumference 178465905.28828

Square

Length = n
Perimeter 113614924
Area 806771934720361
Diagonal 40168941.602197

Cube

Length = n
Surface area 4840631608322166
Volume 2.2915333012147E+22
Space diagonal 49196705.216519

Equilateral Triangle

Length = n
Perimeter 85211193
Area 3.4934249526408E+14
Altitude 24598352.60826

Triangular Pyramid

Length = n
Surface area 3.4934249526408E+14
Volume 2.7005978943395E+21
Height 13389647.200732