20540 (number)

20540 is an even 5-digits composite number following 20539 and preceding 20541. In scientific notation, it is written as 2.0540 × 10^4. The sum of its digits is 11. It has a total of 5 prime factors and 24 positive divisors. There are 7488 positive integers (up to 20540) that are relatively prime to 20540.

Interesting facts

Basic properties

Name

Name twenty thousand five hundred forty

Notation

Scientific notation 2.0540 × 10^4
Engineering notation 2.0540 × 10^3

Prime Factorization of 20540

Prime Factorization 2 × 2 × 5 × 13 × 79

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10270
Product of the distinct prime numbers

The prime factorization of 20540 is 2 × 2 × 5 × 13 × 79. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 7, 5, 26, 35, 936, 208, 8551, 27872, 74759, 607475, 279609, 2929875, 2900337, 94688086, 74579104, 924034050, 411958160, 3289156289, 1381506775

Basic calculations (n = 20540)

Multiplication

n×y
n×2 41080
n×3 61620
n×4 82160
n×5 102700

Division

n÷y
n÷2 10270
n÷3 6846.6666666667
n÷3 5135
n÷5 4108

Exponentiation

ny
n2 421891600
n3 8665653464000
n4 177992522150560000
n5 3.6559664049725E+21

Nth Root

y√n
2√n 143.31782861877
3√n 27.386307471217
4√n 11.971542449441
5√n 7.2865187678979

Divisors of 20540

1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1580, 2054, 4108, 5135, 10270, 20540

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20539
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20540 can be divided by 24 positive divisors. The sum of these divisors (counting 20540) is 1, the average is 0.041666666666667.

Base conversion 20540

Base System Value
2 Binary 101000000111100
3 Ternary 1001011202
4 Quaternary 11000330
5 Quinary 1124130
6 Senary 235032
8 Octal 50074
10 Decimal 20540
12 Duodecimal ba78
16 Hexadecimal 503c
20 Vigesimal 2b70
36 Base36 fuk

Cryptographic Hash Functions

md5 4797178307185e7ace9da7c544327174
sha1 a24ebb2e1e6d689c9178c8eb4585a1671745b3d3
sha256 839e0caa6d50ba58563ac05deafb2723f8b14e2d70f2684a560acb73cfc4321d
sha512 9b5c5bfb26472037b0c3d74c109a0af234986c1bab32d8e12607aa40a75c760a529d5b029395c34dc32e69674e6251e70bbdbd63832c56fe2d01e077ee6ff735
ripemd-160 b5f5c32821cc2cd1694eedc640af8dd12d7aa780

20540 as geometric shapes

Circle

Radius = n
Diameter 41080
Circumference 129056.62620947
Area 1325411551.1712

Sphere

Radius = n
Volume 36298604348076
Surface area 5301646204.685
Circumference 129056.62620947

Square

Length = n
Perimeter 82160
Area 421891600
Diagonal 29047.946571143

Cube

Length = n
Surface area 2531349600
Volume 8665653464000
Space diagonal 35576.323587465

Equilateral Triangle

Length = n
Perimeter 61620
Area 182684421.62163
Altitude 17788.161793732

Triangular Pyramid

Length = n
Surface area 182684421.62163
Volume 1021257054634.5
Height 9682.6488570478