18086821 (number)

18086821 is an odd 8-digits composite number following 18086820 and preceding 18086822. In scientific notation, it is written as 1.8086821 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 17597952 positive integers (up to 18086821) that are relatively prime to 18086821.

Interesting facts

Basic properties

Name

Name eighteen million eighty-six thousand eight hundred twenty-one

Notation

Scientific notation 1.8086821 × 10^7
Engineering notation 1.8086821 × 10^6

Prime Factorization of 18086821

Prime Factorization 37 × 488833

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18086821
Product of the distinct prime numbers

The prime factorization of 18086821 is 37 × 488833. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18086821)

Multiplication

n×y
n×2 36173642
n×3 54260463
n×4 72347284
n×5 90434105

Division

n÷y
n÷2 9043410.5
n÷3 6028940.3333333
n÷3 4521705.25
n÷5 3617364.2

Exponentiation

ny
n2 327133093886041
n3 5.916797712293E+21
n4 1.0701606111545E+29
n5 1.9355803415203E+36

Nth Root

y√n
2√n 4252.8603315886
3√n 262.49482559717
4√n 65.213958103987
5√n 28.279546982564

Divisors of 18086821

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18086820
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18086821 can be divided by 4 positive divisors. The sum of these divisors (counting 18086821) is 1, the average is 0.25.

Base conversion 18086821

Base System Value
2 Binary 1000100111111101110100101
3 Ternary 1021000220110021
4 Quaternary 1010333232211
5 Quinary 14112234241
6 Senary 1443355141
8 Octal 104775645
10 Decimal 18086821
12 Duodecimal 6082ab1
16 Hexadecimal 113fba5
20 Vigesimal 5d0h11
36 Base36 arnvp

Cryptographic Hash Functions

md5 d83058e71d1c390c6d9211ee0d278bf1
sha1 ec2821d21a013628a87689fcbbd603d0d47664fd
sha256 96d1a102e000f9d3037c6f66e0dceed5339b5fb8952eb73c846ca5347fc40d6c
sha512 0cdc091a2c65a564b2c34dae37fb8008993ac7df2dc3a427c72f17cc3a7875e25c5a53770b7bbb7bc810dddb7f2171fa62b503974d040705385e9b0bdfe15c30
ripemd-160 f57fc408316510f0403b416d8679d66395294fd4

18086821 as geometric shapes

Circle

Radius = n
Diameter 36173642
Circumference 113642847.96079
Area 1.0277189244985E+15

Sphere

Radius = n
Volume 2.4784224300956E+22
Surface area 4.1108756979939E+15
Circumference 113642847.96079

Square

Length = n
Perimeter 72347284
Area 327133093886041
Diagonal 25578627.558415

Cube

Length = n
Surface area 1962798563316246
Volume 5.916797712293E+21
Space diagonal 31327292.919404

Equilateral Triangle

Length = n
Perimeter 54260463
Area 1.4165278486196E+14
Altitude 15663646.459702

Triangular Pyramid

Length = n
Surface area 1.4165278486196E+14
Volume 6.9730129754524E+20
Height 8526209.1861382