18219820 (number)

18219820 is an even 8-digits composite number following 18219819 and preceding 18219821. In scientific notation, it is written as 1.8219820 × 10^7. The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors. There are 7272576 positive integers (up to 18219820) that are relatively prime to 18219820.

Interesting facts

Basic properties

Name

Name eighteen million two hundred nineteen thousand eight hundred twenty

Notation

Scientific notation 1.8219820 × 10^7
Engineering notation 1.8219820 × 10^6

Prime Factorization of 18219820

Prime Factorization 2 × 2 × 5 × 1063 × 857

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 9109910
Product of the distinct prime numbers

The prime factorization of 18219820 is 2 × 2 × 5 × 1063 × 857. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 8, 60, 9, 828, 488, 7628, 9188, 6726, 1798, 575452, 174361, 6943575, 8032616, 7962115, 1546041, 907754589, 961970037, 6244664829, 7540417020

Basic calculations (n = 18219820)

Multiplication

n×y
n×2 36439640
n×3 54659460
n×4 72879280
n×5 91099100

Division

n÷y
n÷2 9109910
n÷3 6073273.3333333
n÷3 4554955
n÷5 3643964

Exponentiation

ny
n2 331961840832400
n3 6.048284986835E+21
n4 1.1019866376884E+29
n5 2.0077998181087E+36

Nth Root

y√n
2√n 4268.468109287
3√n 263.13666171141
4√n 65.333514441571
5√n 28.321015156332

Divisors of 18219820

1, 2, 4, 5, 10, 20, 857, 1063, 1714, 2126, 3428, 4252, 4285, 5315, 8570, 10630, 17140, 21260, 910991, 1821982, 3643964, 4554955, 9109910, 18219820

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18219819
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18219820 can be divided by 24 positive divisors. The sum of these divisors (counting 18219820) is 1, the average is 0.041666666666667.

Base conversion 18219820

Base System Value
2 Binary 1000101100000001100101100
3 Ternary 1021021122220011
4 Quaternary 1011200030230
5 Quinary 14131013240
6 Senary 1450303004
8 Octal 105401454
10 Decimal 18219820
12 Duodecimal 6127a64
16 Hexadecimal 116032c
20 Vigesimal 5dh9b0
36 Base36 auii4

Cryptographic Hash Functions

md5 2bdce46cfaa6fd3aeb8438ce62b288fb
sha1 22865b8ca47bd103a238e4a49744eb517fbbab3b
sha256 fa55f6f5d6cf08da75baaa62a527e969f76751c5cd660cd17df3129c328454c1
sha512 b3d7992b5ab82521770d15b107bc2ddebb81d877b2fcc8c132b295277bc7d9619ae2ce0cf9a169c22d39139b5bcfce248a800987f8268e5e59f8cf0352069696
ripemd-160 d7eb40edea9404abddb6c384a77e385231f7b5d2

18219820 as geometric shapes

Circle

Radius = n
Diameter 36439640
Circumference 114478505.32346
Area 1.0428888804312E+15

Sphere

Radius = n
Volume 2.5334996908611E+22
Surface area 4.1715555217248E+15
Circumference 114478505.32346

Square

Length = n
Perimeter 72879280
Area 331961840832400
Diagonal 25766716.547997

Cube

Length = n
Surface area 1991771044994400
Volume 6.048284986835E+21
Space diagonal 31557653.94476

Equilateral Triangle

Length = n
Perimeter 54659460
Area 1.4374369362395E+14
Altitude 15778826.97238

Triangular Pyramid

Length = n
Surface area 1.4374369362395E+14
Volume 7.1279722145663E+20
Height 8588905.5159989