18019405 (number)

18019405 is an odd 8-digits composite number following 18019404 and preceding 18019406. In scientific notation, it is written as 1.8019405 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 13495552 positive integers (up to 18019405) that are relatively prime to 18019405.

Interesting facts

Basic properties

Name

Name eighteen million nineteen thousand four hundred five

Notation

Scientific notation 1.8019405 × 10^7
Engineering notation 1.8019405 × 10^6

Prime Factorization of 18019405

Prime Factorization 5 × 17 × 239 × 887

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18019405
Product of the distinct prime numbers

The prime factorization of 18019405 is 5 × 17 × 239 × 887. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18019405)

Multiplication

n×y
n×2 36038810
n×3 54058215
n×4 72077620
n×5 90097025

Division

n÷y
n÷2 9009702.5
n÷3 6006468.3333333
n÷3 4504851.25
n÷5 3603881

Exponentiation

ny
n2 324698956554025
n3 5.8508820012244E+21
n4 1.0542941238727E+29
n5 1.8997752807183E+36

Nth Root

y√n
2√n 4244.9269722811
3√n 262.16828242585
4√n 65.153104087842
5√n 28.258433899345

Divisors of 18019405

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 -18019404
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 18019405 can be divided by 16 positive divisors. The sum of these divisors (counting 18019405) is 1, the average is 0.0625.

Base conversion 18019405

Base System Value
2 Binary 1000100101111010001001101
3 Ternary 1020220110222101
4 Quaternary 1010233101031
5 Quinary 14103110110
6 Senary 1442115101
8 Octal 104572115
10 Decimal 18019405
12 Duodecimal 604ba91
16 Hexadecimal 112f44d
20 Vigesimal 5cc8a5
36 Base36 aq7v1

Cryptographic Hash Functions

md5 7c93fdb7bd543e9483efdb902fb85a7f
sha1 94e163881b05c41716e013d0d6e615c70203f8fa
sha256 e405065c0cb6e64c55b2cae097713ed80ef0219d7a3e980208e07622f1b9aa5f
sha512 bbb31526fd9d1356630b1e17cb861b6f66ea7bd6f6da7b663aa8e854724e9b2c93dcdbcaad6577b977c13b5a9fc6f16a2b438ede2471150653245786acdfd432
ripemd-160 1261f30d07431f61c05fba22b1241d933fe04e3b

18019405 as geometric shapes

Circle

Radius = n
Diameter 36038810
Circumference 113219260.74012
Area 1.0200718565384E+15

Sphere

Radius = n
Volume 2.450811721609E+22
Surface area 4.0802874261536E+15
Circumference 113219260.74012

Square

Length = n
Perimeter 72077620
Area 324698956554025
Diagonal 25483286.936894

Cube

Length = n
Surface area 1948193739324150
Volume 5.8508820012244E+21
Space diagonal 31210524.982161

Equilateral Triangle

Length = n
Perimeter 54058215
Area 1.4059877247904E+14
Altitude 15605262.49108

Triangular Pyramid

Length = n
Surface area 1.4059877247904E+14
Volume 6.8953305649801E+20
Height 8494428.9789645