20428131 (number)

20428131 is an odd 8-digits composite number following 20428130 and preceding 20428132. In scientific notation, it is written as 2.0428131 × 10^7. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 13618752 positive integers (up to 20428131) that are relatively prime to 20428131.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0428131 × 10^7
Engineering notation 2.0428131 × 10^6

Prime Factorization of 20428131

Prime Factorization 3 × 6809377

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20428131
Product of the distinct prime numbers

The prime factorization of 20428131 is 3 × 6809377. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 5, 28, 32, 663, 737, 8783, 8130, 42677, 770, 155842, 959404, 5986943, 4499399, 47395770, 19591698, 465188140, 40848364, 7184876731, 8531303958

Basic calculations (n = 20428131)

Multiplication

n×y
n×2 40856262
n×3 61284393
n×4 81712524
n×5 102140655

Division

n÷y
n÷2 10214065.5
n÷3 6809377
n÷3 5107032.75
n÷5 4085626.2

Exponentiation

ny
n2 417308536153161
n3 8.524833443955E+21
n4 1.7414641434629E+29
n5 3.5574857654464E+36

Nth Root

y√n
2√n 4519.7489974555
3√n 273.3649803069
4√n 67.229078511129
5√n 28.976486648998

Divisors of 20428131

1, 3, 6809377, 20428131

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 -20428130
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 20428131 can be divided by 4 positive divisors. The sum of these divisors (counting 20428131) is 1, the average is 0.25.

Base conversion 20428131

Base System Value
2 Binary 1001101111011010101100011
3 Ternary 1102102212010110
4 Quaternary 1031323111203
5 Quinary 20212200011
6 Senary 2005502403
8 Octal 115732543
10 Decimal 20428131
12 Duodecimal 6a11a03
16 Hexadecimal 137b563
20 Vigesimal 67da6b
36 Base36 c5ug3

Cryptographic Hash Functions

md5 f90b3321aca023b595b438533f0659b8
sha1 ccd412e7f766a903b722a169da6f7c2140c83500
sha256 6f072aeca65f7196ab5fb60082f21aebd0ea74ab975e620190a88abb7b6910b3
sha512 9931948a49aac37e4359497ecb42a568dd26dd0cae1ea8ada421b8d0cc3410e89d2f726df493aaee14edae2a3e112bd8b95478f4de303c4a836d5256a1f00c6a
ripemd-160 5fc99e51d83c04c54b6de32e923ef8f57c77484f

20428131 as geometric shapes

Circle

Radius = n
Diameter 40856262
Circumference 128353732.55234
Area 1.3110134314591E+15

Sphere

Radius = n
Volume 3.5708738827474E+22
Surface area 5.2440537258363E+15
Circumference 128353732.55234

Square

Length = n
Perimeter 81712524
Area 417308536153161
Diagonal 28889739.914134

Cube

Length = n
Surface area 2503851216918966
Volume 8.524833443955E+21
Space diagonal 35382560.795673

Equilateral Triangle

Length = n
Perimeter 61284393
Area 1.8069989676237E+14
Altitude 17691280.397836

Triangular Pyramid

Length = n
Surface area 1.8069989676237E+14
Volume 1.0046612561177E+21
Height 9629913.3047114