20781246 (number)

20781246 is an even 8-digits composite number following 20781245 and preceding 20781247. In scientific notation, it is written as 2.0781246 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 6927080 positive integers (up to 20781246) that are relatively prime to 20781246.

Interesting facts

Basic properties

Name

Name twenty million seven hundred eighty-one thousand two hundred forty-six

Notation

Scientific notation 2.0781246 × 10^7
Engineering notation 2.0781246 × 10^6

Prime Factorization of 20781246

Prime Factorization 2 × 3 × 3463541

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20781246
Product of the distinct prime numbers

The prime factorization of 20781246 is 2 × 3 × 3463541. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20781246)

Multiplication

n×y
n×2 41562492
n×3 62343738
n×4 83124984
n×5 103906230

Division

n÷y
n÷2 10390623
n÷3 6927082
n÷3 5195311.5
n÷5 4156249.2

Exponentiation

ny
n2 431860185312516
n3 8.974592748585E+21
n4 1.8650321965816E+29
n5 3.8757692875083E+36

Nth Root

y√n
2√n 4558.6451934758
3√n 274.93109458188
4√n 67.517739842769
5√n 29.075977002215

Divisors of 20781246

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20781245
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20781246 can be divided by 8 positive divisors. The sum of these divisors (counting 20781246) is 1, the average is 0.125.

Base conversion 20781246

Base System Value
2 Binary 1001111010001100010111110
3 Ternary 1110002210111210
4 Quaternary 1033101202332
5 Quinary 20304444441
6 Senary 2021225250
8 Octal 117214276
10 Decimal 20781246
12 Duodecimal 6b62226
16 Hexadecimal 13d18be
20 Vigesimal 69hd26
36 Base36 cdewu

Cryptographic Hash Functions

md5 1f3f3c7780aa9ea7da81706ca48258c4
sha1 b032dc8dcb2cd0a554fbb911b3f20e92ba2fa9e3
sha256 efc07649b207b6762b7a22c34abcccfdb974315046f3537bd15f21d2c5b81f86
sha512 3d15d9dbe2855ee75f8d1ce52e0679dbcee90841686c7b3a7a0b367540a4e4cf6ca3ce1e1f673f48934d1caeec17bdbb80103f4cf4a8ed4459f6c9516c90b82e
ripemd-160 a156cac9c828e081fafcdf212832dd6f5329aaa4

20781246 as geometric shapes

Circle

Radius = n
Diameter 41562492
Circumference 130572419.53208
Area 1.3567287855557E+15

Sphere

Radius = n
Volume 3.759268619722E+22
Surface area 5.4269151422229E+15
Circumference 130572419.53208

Square

Length = n
Perimeter 83124984
Area 431860185312516
Diagonal 29389119.936212

Cube

Length = n
Surface area 2591161111875096
Volume 8.974592748585E+21
Space diagonal 35994173.916588

Equilateral Triangle

Length = n
Perimeter 62343738
Area 1.8700094568185E+14
Altitude 17997086.958294

Triangular Pyramid

Length = n
Surface area 1.8700094568185E+14
Volume 1.0576658984853E+21
Height 9796373.3120705