18208081 (number)

18208081 is an odd 8-digits prime number following 18208080 and preceding 18208082. In scientific notation, it is written as 1.8208081 × 10^7. The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors. There are 18208080 positive integers (up to 18208081) that are relatively prime to 18208081.

Interesting facts

Basic properties

Name

Name eighteen million two hundred eight thousand eighty-one

Notation

Scientific notation 1.8208081 × 10^7
Engineering notation 1.8208081 × 10^6

Prime Factorization of 18208081

Prime Factorization 18208081

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 18208081
Product of the distinct prime numbers

The prime factorization of 18208081 is 18208081. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18208081)

Multiplication

n×y
n×2 36416162
n×3 54624243
n×4 72832324
n×5 91040405

Division

n÷y
n÷2 9104040.5
n÷3 6069360.3333333
n÷3 4552020.25
n÷5 3641616.2

Exponentiation

ny
n2 331534213702561
n3 6.0366018173675E+21
n4 1.0991493485538E+29
n5 2.0013400369564E+36

Nth Root

y√n
2√n 4267.0928042404
3√n 263.08013673086
4√n 65.322988329074
5√n 28.317364778759

Divisors of 18208081

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 18208082
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 9104041
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4267.0929214162
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999998901587
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18208081 can be divided by 2 positive divisors. The sum of these divisors (counting 18208081) is 18208082, the average is 9104041.

Base conversion 18208081

Base System Value
2 Binary 1000101011101010101010001
3 Ternary 1021021001210101
4 Quaternary 1011131111101
5 Quinary 14130124311
6 Senary 1450132401
8 Octal 105352521
10 Decimal 18208081
12 Duodecimal 6121101
16 Hexadecimal 115d551
20 Vigesimal 5dg041
36 Base36 au9g1

Cryptographic Hash Functions

md5 76b1486b81599530ce220accace4f664
sha1 16c5abe6d1ff9136c685faeea4ff74614d7815f6
sha256 7a812393139c844fa7b56d9c698c811faa284d45698f409845ba752a86be9e7c
sha512 563632c14b3b9ad19f7b963c208e25973a81d4cd11221f8e6d8514b7d18f8994fc2a70ed90eabe2aef64fd23d7ddc6aca8f39f9334d2188800e3d52558c7f38b
ripemd-160 577ab2ad89eaf3ea4345108bbaa2a2a8000a4878

18208081 as geometric shapes

Circle

Radius = n
Diameter 36416162
Circumference 114404747.01114
Area 1.0415454501816E+15

Sphere

Radius = n
Volume 2.5286058562785E+22
Surface area 4.1661818007265E+15
Circumference 114404747.01114

Square

Length = n
Perimeter 72832324
Area 331534213702561
Diagonal 25750115.094988

Cube

Length = n
Surface area 1989205282215366
Volume 6.0366018173675E+21
Space diagonal 31537321.40033

Equilateral Triangle

Length = n
Perimeter 54624243
Area 1.4355852564506E+14
Altitude 15768660.700165

Triangular Pyramid

Length = n
Surface area 1.4355852564506E+14
Volume 7.114203467306E+20
Height 8583371.6983293