20491131 (number)

20491131 is an odd 8-digits composite number following 20491130 and preceding 20491132. In scientific notation, it is written as 2.0491131 × 10^7. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 13660752 positive integers (up to 20491131) that are relatively prime to 20491131.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0491131 × 10^7
Engineering notation 2.0491131 × 10^6

Prime Factorization of 20491131

Prime Factorization 3 × 6830377

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20491131
Product of the distinct prime numbers

The prime factorization of 20491131 is 3 × 6830377. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20491131)

Multiplication

n×y
n×2 40982262
n×3 61473393
n×4 81964524
n×5 102455655

Division

n÷y
n÷2 10245565.5
n÷3 6830377
n÷3 5122782.75
n÷5 4098226.2

Exponentiation

ny
n2 419886449659161
n3 8.6039482450908E+21
n4 1.7630463060738E+29
n5 3.6126812816823E+36

Nth Root

y√n
2√n 4526.7130459087
3√n 273.64570952813
4√n 67.280852000467
5√n 28.994337238166

Divisors of 20491131

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 -20491130
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 20491131 can be divided by 4 positive divisors. The sum of these divisors (counting 20491131) is 1, the average is 0.25.

Base conversion 20491131

Base System Value
2 Binary 1001110001010101101111011
3 Ternary 1102120001112210
4 Quaternary 1032022231323
5 Quinary 20221204011
6 Senary 2011110203
8 Octal 116125573
10 Decimal 20491131
12 Duodecimal 6a42363
16 Hexadecimal 138ab7b
20 Vigesimal 6817gb
36 Base36 c7723

Cryptographic Hash Functions

md5 5bc1b0b3bb11bd74de2196121393eb85
sha1 487bf2888e21a09377b0348afd9d43201c87de0a
sha256 7f6ef922c0ec737a1cab0590de9ada5aec004471b4e05bcc505912eb5fd17112
sha512 2982f531d73662395909fe50849bb2586e681e96ec7bff8f0f68c1a432b83c6eccf9ca41c569e7dde7d724b54b041c256d27f38ef813c20d1b5598b535556104
ripemd-160 443305b2414fb83759ca1e85c6df216f108f8f4f

20491131 as geometric shapes

Circle

Radius = n
Diameter 40982262
Circumference 128749573.22669
Area 1.3191121855911E+15

Sphere

Radius = n
Volume 3.6040134131525E+22
Surface area 5.2764487423645E+15
Circumference 128749573.22669

Square

Length = n
Perimeter 81964524
Area 419886449659161
Diagonal 28978835.368564

Cube

Length = n
Surface area 2519318697954966
Volume 8.6039482450908E+21
Space diagonal 35491679.99655

Equilateral Triangle

Length = n
Perimeter 61473393
Area 1.8181616605484E+14
Altitude 17745839.998275

Triangular Pyramid

Length = n
Surface area 1.8181616605484E+14
Volume 1.013985024847E+21
Height 9659611.7895213