20791 (number)

20791 is an odd 5-digits composite number following 20790 and preceding 20792. In scientific notation, it is written as 2.0791 × 10^4. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 19552 positive integers (up to 20791) that are relatively prime to 20791.

Interesting facts

Basic properties

Name

Name twenty thousand seven hundred ninety-one

Notation

Scientific notation 2.0791 × 10^4
Engineering notation 2.0791 × 10^3

Prime Factorization of 20791

Prime Factorization 17 × 1223

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20791
Product of the distinct prime numbers

The prime factorization of 20791 is 17 × 1223. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 8, 81, 45, 14, 912, 2083, 7918, 62059, 91971, 104288, 865204, 4808053, 4572247, 52341799, 27690998, 640967883, 925523660, 7017305293, 9074938552

Basic calculations (n = 20791)

Multiplication

n×y
n×2 41582
n×3 62373
n×4 83164
n×5 103955

Division

n÷y
n÷2 10395.5
n÷3 6930.3333333333
n÷3 5197.75
n÷5 4158.2

Exponentiation

ny
n2 432265681
n3 8987235773671
n4 186853618970393761
n5 3.8848735920135E+21

Nth Root

y√n
2√n 144.19084575659
3√n 27.497410224439
4√n 12.007949273568
5√n 7.3042406901652

Divisors of 20791

1, 17, 1223, 20791

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 -20790
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 20791 can be divided by 4 positive divisors. The sum of these divisors (counting 20791) is 1, the average is 0.25.

Base conversion 20791

Base System Value
2 Binary 101000100110111
3 Ternary 1001112001
4 Quaternary 11010313
5 Quinary 1131131
6 Senary 240131
8 Octal 50467
10 Decimal 20791
12 Duodecimal 10047
16 Hexadecimal 5137
20 Vigesimal 2bjb
36 Base36 g1j

Cryptographic Hash Functions

md5 5e26868bd52fd169086cc736cbf03946
sha1 56a39a4383f3921b0986a90f97c79e71386e8366
sha256 f818416d55bd651654fe18a7518f91f55b3e767a2cc129982dd5131f5ba3c65e
sha512 522274671b939a8e35ea71055fc580c9bc16225d3462e336bce5c3bbc83c7771a961aa2b08487250aa271b8fbc402465835d4086e309eeec4a7fe7cc96c080de
ripemd-160 398ef955835d95bef14f05d0e37fd51180e633c5

20791 as geometric shapes

Circle

Radius = n
Diameter 41582
Circumference 130633.70572157
Area 1358002687.8286

Sphere

Radius = n
Volume 37645645176859
Surface area 5432010751.3144
Circumference 130633.70572157

Square

Length = n
Perimeter 83164
Area 432265681
Diagonal 29402.914175299

Cube

Length = n
Surface area 2593594086
Volume 8987235773671
Space diagonal 36011.068340165

Equilateral Triangle

Length = n
Perimeter 62373
Area 187176530.46509
Altitude 18005.534170082

Triangular Pyramid

Length = n
Surface area 187176530.46509
Volume 1059155893280.8
Height 9800.9713917663