28131423 (number)

28131423 is an odd 8-digits composite number following 28131422 and preceding 28131424. In scientific notation, it is written as 2.8131423 × 10^7. The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors. There are 18754280 positive integers (up to 28131423) that are relatively prime to 28131423.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8131423 × 10^7
Engineering notation 2.8131423 × 10^6

Prime Factorization of 28131423

Prime Factorization 3 × 9377141

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28131423
Product of the distinct prime numbers

The prime factorization of 28131423 is 3 × 9377141. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28131423)

Multiplication

n×y
n×2 56262846
n×3 84394269
n×4 112525692
n×5 140657115

Division

n÷y
n÷2 14065711.5
n÷3 9377141
n÷3 7032855.75
n÷5 5626284.6

Exponentiation

ny
n2 791376960004929
n3 2.2262560014353E+22
n4 6.2627749282664E+29
n5 1.7618077066086E+37

Nth Root

y√n
2√n 5303.9063905767
3√n 304.13324822899
4√n 72.827923151609
5√n 30.8914532919

Divisors of 28131423

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 -28131422
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 28131423 can be divided by 4 positive divisors. The sum of these divisors (counting 28131423) is 1, the average is 0.25.

Base conversion 28131423

Base System Value
2 Binary 1101011010100000001011111
3 Ternary 1221221020001120
4 Quaternary 1223110001133
5 Quinary 24200201143
6 Senary 2442542023
8 Octal 153240137
10 Decimal 28131423
12 Duodecimal 9507913
16 Hexadecimal 1ad405f
20 Vigesimal 8fg8b3
36 Base36 gqycf

Cryptographic Hash Functions

md5 139a402a461722ed6b548f9dbc6a4031
sha1 217cb326b6997f397e33d75d365a30eb9c55c14d
sha256 2ebee2216b9c38fd3bd7426aa97ed05609cdcae2eaa88623b0df41a1c9ab6131
sha512 011eec0b8fc1c4e24ab98e40ca2a6e9c381d6611160df46db7ad37f62d28cd871508c148caa036b9cd417907c23df95f79114107c60548d6995fabe3f9134b48
ripemd-160 429316bc4bd211e2f6af17ae79e8e82aea75b7ff

28131423 as geometric shapes

Circle

Radius = n
Diameter 56262846
Circumference 176754943.66365
Area 2.4861840437717E+15

Sphere

Radius = n
Volume 9.325319332159E+22
Surface area 9.9447361750868E+15
Circumference 176754943.66365

Square

Length = n
Perimeter 112525692
Area 791376960004929
Diagonal 39783839.935454

Cube

Length = n
Surface area 4748261760029574
Volume 2.2262560014353E+22
Space diagonal 48725053.925212

Equilateral Triangle

Length = n
Perimeter 84394269
Area 3.4267627566699E+14
Altitude 24362526.962606

Triangular Pyramid

Length = n
Surface area 3.4267627566699E+14
Volume 2.6236678587869E+21
Height 13261279.978485