20538 (number)

20538 is an even 5-digits composite number following 20537 and preceding 20539. In scientific notation, it is written as 2.0538 × 10^4. The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors. There are 5832 positive integers (up to 20538) that are relatively prime to 20538.

Interesting facts

Basic properties

Name

Name twenty thousand five hundred thirty-eight

Notation

Scientific notation 2.0538 × 10^4
Engineering notation 2.0538 × 10^3

Prime Factorization of 20538

Prime Factorization 2 × 3 × 21 × 163

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20538
Product of the distinct prime numbers

The prime factorization of 20538 is 2 × 3 × 21 × 163. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 6, 56, 58, 277, 500, 5121, 4365, 285, 42882, 683430, 785031, 6548670, 4310018, 21111390, 83201893, 858560787, 397553498, 6724668724, 3481572382

Basic calculations (n = 20538)

Multiplication

n×y
n×2 41076
n×3 61614
n×4 82152
n×5 102690

Division

n÷y
n÷2 10269
n÷3 6846
n÷3 5134.5
n÷5 4107.6

Exponentiation

ny
n2 421809444
n3 8663122360872
n4 177923207047589136
n5 3.6541868263434E+21

Nth Root

y√n
2√n 143.31085094995
3√n 27.385418565134
4√n 11.971251018584
5√n 7.2863768632712

Divisors of 20538

1, 2, 3, 6, 21, 42, 63, 126, 163, 326, 489, 978, 3423, 6846, 10269, 20538

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20537
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20538 can be divided by 16 positive divisors. The sum of these divisors (counting 20538) is 1, the average is 0.0625.

Base conversion 20538

Base System Value
2 Binary 101000000111010
3 Ternary 1001011200
4 Quaternary 11000322
5 Quinary 1124123
6 Senary 235030
8 Octal 50072
10 Decimal 20538
12 Duodecimal ba76
16 Hexadecimal 503a
20 Vigesimal 2b6i
36 Base36 fui

Cryptographic Hash Functions

md5 5d73abc5d9c6b94b30add828e954b6a9
sha1 99945b031cab2331de60c91b0e23d41ecd661dbf
sha256 1e8badb937982a8abefeebb37f2606229e60f90dfec72a204ab2d27fc7b0659d
sha512 6b7c330306ec23e53f0ec5e0fe710fd6b9748c68d17e706024511c5851510eb687902ab5b9201c1e896c4c63da39e1f257d0005bafd8a802e7606584209d8a36
ripemd-160 e8e424dcdf1bad3eb5d6da9d32bafb40c01b74a3

20538 as geometric shapes

Circle

Radius = n
Diameter 41076
Circumference 129044.05983885
Area 1325153450.4852

Sphere

Radius = n
Volume 36288002088087
Surface area 5300613801.9408
Circumference 129044.05983885

Square

Length = n
Perimeter 82152
Area 421809444
Diagonal 29045.118144019

Cube

Length = n
Surface area 2530856664
Volume 8663122360872
Space diagonal 35572.85948585

Equilateral Triangle

Length = n
Perimeter 61614
Area 182648847.03009
Altitude 17786.429742925

Triangular Pyramid

Length = n
Surface area 182648847.03009
Volume 1020958761270.2
Height 9681.7060480062