20388538 (number)

20388538 is an even 8-digits composite number following 20388537 and preceding 20388539. In scientific notation, it is written as 2.0388538 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 10161180 positive integers (up to 20388538) that are relatively prime to 20388538.

Interesting facts

Basic properties

Name

Name twenty million three hundred eighty-eight thousand five hundred thirty-eight

Notation

Scientific notation 2.0388538 × 10^7
Engineering notation 2.0388538 × 10^6

Prime Factorization of 20388538

Prime Factorization 2 × 311 × 32779

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20388538
Product of the distinct prime numbers

The prime factorization of 20388538 is 2 × 311 × 32779. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 5, 60, 55, 441, 951, 3902, 5417, 36807, 81687, 84114, 516844, 7103492, 2329401, 86204630, 88921915, 605882013, 431986634, 4099909428, 3994933335

Basic calculations (n = 20388538)

Multiplication

n×y
n×2 40777076
n×3 61165614
n×4 81554152
n×5 101942690

Division

n÷y
n÷2 10194269
n÷3 6796179.3333333
n÷3 5097134.5
n÷5 4077707.6

Exponentiation

ny
n2 415692481777444
n3 8.4753619610337E+21
n4 1.7280023940629E+29
n5 3.5231442475443E+36

Nth Root

y√n
2√n 4515.3668732452
3√n 273.18825766789
4√n 67.196479619435
5√n 28.965245713584

Divisors of 20388538

1, 2, 311, 622, 32779, 65558, 10194269, 20388538

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 -20388537
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 20388538 can be divided by 8 positive divisors. The sum of these divisors (counting 20388538) is 1, the average is 0.125.

Base conversion 20388538

Base System Value
2 Binary 1001101110001101010111010
3 Ternary 1102100211211001
4 Quaternary 1031301222322
5 Quinary 20204413123
6 Senary 2004555214
8 Octal 115615272
10 Decimal 20388538
12 Duodecimal 69b2b0a
16 Hexadecimal 1371aba
20 Vigesimal 678b6i
36 Base36 c4zwa

Cryptographic Hash Functions

md5 a84f0bfdb867469c98558011bbbeb0b6
sha1 45202887436b78c7e99defa08602a750015bcae5
sha256 2e56fd4dcdebc44d339f3c7a597c69f4576c1b957d85bdaf5f2216f6b2cd0937
sha512 7d50793c5e71043d626fe8e35a37f160c7904dc80b1942611a677e39c10b9637fd701aae48e30c436c24ae00e7ade694a9d9dd4be1d6cd664aa7fe46ebaa1754
ripemd-160 7e11f1834b488c03bc12f47719033782f54bebbc

20388538 as geometric shapes

Circle

Radius = n
Diameter 40777076
Circumference 128104962.39647
Area 1.3059364469045E+15

Sphere

Radius = n
Volume 3.5501513164397E+22
Surface area 5.2237457876181E+15
Circumference 128104962.39647

Square

Length = n
Perimeter 81554152
Area 415692481777444
Diagonal 28833746.956559

Cube

Length = n
Surface area 2494154890664664
Volume 8.4753619610337E+21
Space diagonal 35313983.708049

Equilateral Triangle

Length = n
Perimeter 61165614
Area 1.8000012469073E+14
Altitude 17656991.854024

Triangular Pyramid

Length = n
Surface area 1.8000012469073E+14
Volume 9.9883098594291E+20
Height 9611248.9855197