18538020 (number)

18538020 is an even 8-digits composite number following 18538019 and preceding 18538021. In scientific notation, it is written as 1.8538020 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 48 positive divisors. There are 4907520 positive integers (up to 18538020) that are relatively prime to 18538020.

Interesting facts

Basic properties

Name

Name eighteen million five hundred thirty-eight thousand twenty

Notation

Scientific notation 1.8538020 × 10^7
Engineering notation 1.8538020 × 10^6

Prime Factorization of 18538020

Prime Factorization 2 × 2 × 15 × 3 × 181 × 569

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 9269010
Product of the distinct prime numbers

The prime factorization of 18538020 is 2 × 2 × 15 × 3 × 181 × 569. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18538020)

Multiplication

n×y
n×2 37076040
n×3 55614060
n×4 74152080
n×5 92690100

Division

n÷y
n÷2 9269010
n÷3 6179340
n÷3 4634505
n÷5 3707604

Exponentiation

ny
n2 343658185520400
n3 6.3707423163409E+21
n4 1.1810094847517E+29
n5 2.1893577448517E+36

Nth Root

y√n
2√n 4305.5801002885
3√n 264.65967943056
4√n 65.616919314217
5√n 28.419253717296

Divisors of 18538020

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18538019
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18538020 can be divided by 48 positive divisors. The sum of these divisors (counting 18538020) is 1, the average is 0.020833333333333.

Base conversion 18538020

Base System Value
2 Binary 1000110101101111000100100
3 Ternary 1021212211101100
4 Quaternary 1012231320210
5 Quinary 14221204040
6 Senary 1501200100
8 Octal 106557044
10 Decimal 18538020
12 Duodecimal 6260030
16 Hexadecimal 11ade24
20 Vigesimal 5fh510
36 Base36 b1c10

Cryptographic Hash Functions

md5 94c88361d87af5f6f4041e10df38b578
sha1 7d3bc208ccdeec775a83b30df93f3388fca0e9ce
sha256 34b167a515a4666f8960192d6f16ceb1bacdea5b26557f459050113676d2fde6
sha512 15dc0ce0154540f47c33b09ece254169a622f1ce2deece4867fb2e3f77b8d1ffd4307df88415fac41b8341b234e2868c739943da8e0b3d887f6ccf9ff59dd307
ripemd-160 a987cd5a1c14f60cdbf83637be2ade1b5a82fda4

18538020 as geometric shapes

Circle

Radius = n
Diameter 37076040
Circumference 116477814.8882
Area 1.0796340309769E+15

Sphere

Radius = n
Volume 2.6685703011907E+22
Surface area 4.3185361239075E+15
Circumference 116477814.8882

Square

Length = n
Perimeter 74152080
Area 343658185520400
Diagonal 26216719.303544

Cube

Length = n
Surface area 2061949113122400
Volume 6.3707423163409E+21
Space diagonal 32108792.511728

Equilateral Triangle

Length = n
Perimeter 55614060
Area 1.4880835943957E+14
Altitude 16054396.255864

Triangular Pyramid

Length = n
Surface area 1.4880835943957E+14
Volume 7.5079918217946E+20
Height 8738906.4345146