28431311 (number)

28431311 is an odd 8-digits composite number following 28431310 and preceding 28431312. In scientific notation, it is written as 2.8431311 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 28030800 positive integers (up to 28431311) that are relatively prime to 28431311.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8431311 × 10^7
Engineering notation 2.8431311 × 10^6

Prime Factorization of 28431311

Prime Factorization 71 × 400441

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28431311
Product of the distinct prime numbers

The prime factorization of 28431311 is 71 × 400441. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28431311)

Multiplication

n×y
n×2 56862622
n×3 85293933
n×4 113725244
n×5 142156555

Division

n÷y
n÷2 14215655.5
n÷3 9477103.6666667
n÷3 7107827.75
n÷5 5686262.2

Exponentiation

ny
n2 808339445178721
n3 2.2982150159444E+22
n4 6.5341265863184E+29
n5 1.8577378508899E+37

Nth Root

y√n
2√n 5332.1019307586
3√n 305.21014273707
4√n 73.021243010227
5√n 30.957036354784

Divisors of 28431311

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 -28431310
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 28431311 can be divided by 4 positive divisors. The sum of these divisors (counting 28431311) is 1, the average is 0.25.

Base conversion 28431311

Base System Value
2 Binary 1101100011101001111001111
3 Ternary 1222111110102112
4 Quaternary 1230131033033
5 Quinary 24234300221
6 Senary 2453214235
8 Octal 154351717
10 Decimal 28431311
12 Duodecimal 963137b
16 Hexadecimal 1b1d3cf
20 Vigesimal 8hdi5b
36 Base36 gxdqn

Cryptographic Hash Functions

md5 75b0a4b6ad0b3d85999fca779ceed37d
sha1 1887748edab996c46e48c6a8bb3eb2bc88819009
sha256 ff00e54fe73e070b6e820dce034c1aff65f87d766f9c502801356eeb29824f2a
sha512 b0a19769db5377f980c72e83b37b504e2d9eeee45717ea39114133869ca6cb54aadb36e4a5ac27aa4c0b1a269e02291fb5b0fb98f4cc5df9e054abad1c7bb98d
ripemd-160 b9910c82041ed32fcf7cabdd919e48362b913c80

28431311 as geometric shapes

Circle

Radius = n
Diameter 56862622
Circumference 178639195.53905
Area 2.5394732625803E+15

Sphere

Radius = n
Volume 9.6267405472808E+22
Surface area 1.0157893050321E+16
Circumference 178639195.53905

Square

Length = n
Perimeter 113725244
Area 808339445178721
Diagonal 40207945.612247

Cube

Length = n
Surface area 4850036671072326
Volume 2.2982150159444E+22
Space diagonal 49244475.177792

Equilateral Triangle

Length = n
Perimeter 85293933
Area 3.500212472029E+14
Altitude 24622237.588896

Triangular Pyramid

Length = n
Surface area 3.500212472029E+14
Volume 2.708472370665E+21
Height 13402648.537416