20431391 (number)

20431391 is an odd 8-digits composite number following 20431390 and preceding 20431392. In scientific notation, it is written as 2.0431391 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 20229000 positive integers (up to 20431391) that are relatively prime to 20431391.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0431391 × 10^7
Engineering notation 2.0431391 × 10^6

Prime Factorization of 20431391

Prime Factorization 101 × 202291

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20431391
Product of the distinct prime numbers

The prime factorization of 20431391 is 101 × 202291. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20431391)

Multiplication

n×y
n×2 40862782
n×3 61294173
n×4 81725564
n×5 102156955

Division

n÷y
n÷2 10215695.5
n÷3 6810463.6666667
n÷3 5107847.75
n÷5 4086278.2

Exponentiation

ny
n2 417441738194881
n3 8.5289153727792E+21
n4 1.7425760478716E+29
n5 3.56032525813E+36

Nth Root

y√n
2√n 4520.1096225645
3√n 273.3795210797
4√n 67.231760519597
5√n 28.977411425886

Divisors of 20431391

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 -20431390
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 20431391 can be divided by 4 positive divisors. The sum of these divisors (counting 20431391) is 1, the average is 0.25.

Base conversion 20431391

Base System Value
2 Binary 1001101111100001000011111
3 Ternary 1102110000121012
4 Quaternary 1031330020133
5 Quinary 20212301031
6 Senary 2005525435
8 Octal 115741037
10 Decimal 20431391
12 Duodecimal 6a1387b
16 Hexadecimal 137c21f
20 Vigesimal 67di9b
36 Base36 c5wyn

Cryptographic Hash Functions

md5 067d6a9795208ed968259849c7a84e2c
sha1 92b2af06dec80a4c61692a750fc2b7b532ff71f9
sha256 a2a09a84a4f1cb75e36d1bcd63ec3326dd00dd134346451a282c6b89f673b030
sha512 023adfeb8211ed87c08d845e29c3257f28b054965a78c924a77158797a4949752205ccaa1e88b4a98df7e32a1d1b421230c6f3daf1b3d8f76693197ba2fec509
ripemd-160 9fb94679024ebd85ffdb4a6bdfec95f3fd687bb0

20431391 as geometric shapes

Circle

Radius = n
Diameter 40862782
Circumference 128374215.73644
Area 1.3114318980148E+15

Sphere

Radius = n
Volume 3.572583717095E+22
Surface area 5.2457275920592E+15
Circumference 128374215.73644

Square

Length = n
Perimeter 81725564
Area 417441738194881
Diagonal 28894350.250348

Cube

Length = n
Surface area 2504650429169286
Volume 8.5289153727792E+21
Space diagonal 35388207.281305

Equilateral Triangle

Length = n
Perimeter 61294173
Area 1.8075757493835E+14
Altitude 17694103.640653

Triangular Pyramid

Length = n
Surface area 1.8075757493835E+14
Volume 1.0051423160431E+21
Height 9631450.0834492