20188431 (number)

20188431 is an odd 8-digits composite number following 20188430 and preceding 20188432. In scientific notation, it is written as 2.0188431 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors. There are 12750480 positive integers (up to 20188431) that are relatively prime to 20188431.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0188431 × 10^7
Engineering notation 2.0188431 × 10^6

Prime Factorization of 20188431

Prime Factorization 3 × 19 × 3 × 118061

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 6729477
Product of the distinct prime numbers

The prime factorization of 20188431 is 3 × 19 × 3 × 118061. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20188431)

Multiplication

n×y
n×2 40376862
n×3 60565293
n×4 80753724
n×5 100942155

Division

n÷y
n÷2 10094215.5
n÷3 6729477
n÷3 5047107.75
n÷5 4037686.2

Exponentiation

ny
n2 407572746241761
n3 8.2282542649823E+21
n4 1.6611554347905E+29
n5 3.3536121875543E+36

Nth Root

y√n
2√n 4493.1537921598
3√n 272.29156577352
4√n 67.030991281345
5√n 28.908164246629

Divisors of 20188431

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20188430
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20188431 can be divided by 12 positive divisors. The sum of these divisors (counting 20188431) is 1, the average is 0.083333333333333.

Base conversion 20188431

Base System Value
2 Binary 1001101000000110100001111
3 Ternary 1101222200022200
4 Quaternary 1031000310033
5 Quinary 20132012211
6 Senary 2000412543
8 Octal 115006417
10 Decimal 20188431
12 Duodecimal 6917153
16 Hexadecimal 1340d0f
20 Vigesimal 663b1b
36 Base36 c0phr

Cryptographic Hash Functions

md5 2cb3e6ef6aeb638cb0b56e753373c785
sha1 ced0d19d0a6fe2c436c23a850c6074eae72c4029
sha256 6ef685810d0009efed6298d5c8ebf02a5d52df1702630a8c7eae16e8baf22c56
sha512 015576ac722b8b2bbafadf3b4e548abbb7036dfd21dcb1d779f495458a6e3548bd4780d918bc6cc79e5866632e1d40f2a7d68b86f23e88fdfcebeb1eefddf057
ripemd-160 c0e6a2794a3a13d0c2482a9f0b9b4b8b0de0eee7

20188431 as geometric shapes

Circle

Radius = n
Diameter 40376862
Circumference 126847653.03421
Area 1.2804275453965E+15

Sphere

Radius = n
Volume 3.446643086765E+22
Surface area 5.1217101815861E+15
Circumference 126847653.03421

Square

Length = n
Perimeter 80753724
Area 407572746241761
Diagonal 28550752.923233

Cube

Length = n
Surface area 2445436477450566
Volume 8.2282542649823E+21
Space diagonal 34967388.217099

Equilateral Triangle

Length = n
Perimeter 60565293
Area 1.7648417606778E+14
Altitude 17483694.108549

Triangular Pyramid

Length = n
Surface area 1.7648417606778E+14
Volume 9.6970906468269E+20
Height 9516917.6410778