18238213 (number)

18238213 is an odd 8-digits composite number following 18238212 and preceding 18238214. In scientific notation, it is written as 1.8238213 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 15512640 positive integers (up to 18238213) that are relatively prime to 18238213.

Interesting facts

Basic properties

Name

Name eighteen million two hundred thirty-eight thousand two hundred thirteen

Notation

Scientific notation 1.8238213 × 10^7
Engineering notation 1.8238213 × 10^6

Prime Factorization of 18238213

Prime Factorization 7 × 131 × 19889

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18238213
Product of the distinct prime numbers

The prime factorization of 18238213 is 7 × 131 × 19889. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18238213)

Multiplication

n×y
n×2 36476426
n×3 54714639
n×4 72952852
n×5 91191065

Division

n÷y
n÷2 9119106.5
n÷3 6079404.3333333
n÷3 4559553.25
n÷5 3647642.6

Exponentiation

ny
n2 332632413433369
n3 6.0666208069018E+21
n4 1.1064432246651E+29
n5 2.0179547203849E+36

Nth Root

y√n
2√n 4270.6220858325
3√n 263.22517786042
4√n 65.349996831159
5√n 28.326730890244

Divisors of 18238213

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18238212
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18238213 can be divided by 8 positive divisors. The sum of these divisors (counting 18238213) is 1, the average is 0.125.

Base conversion 18238213

Base System Value
2 Binary 1000101100100101100000101
3 Ternary 1021022121010101
4 Quaternary 1011210230011
5 Quinary 14132110323
6 Senary 1450524101
8 Octal 105445405
10 Decimal 18238213
12 Duodecimal 6136631
16 Hexadecimal 1164b05
20 Vigesimal 5djfad
36 Base36 auwp1

Cryptographic Hash Functions

md5 4d746b8d50aefcbe9af1f876e3c7cb40
sha1 1ed6fc29d69dd31ab3edcaed65abb7b5ea4f4159
sha256 0caebc8b5b30b20a1de467517cb865777f8bfdf1e479120dff31753bb5272fd7
sha512 89a04ef2773dc88f391f8db692c56319771f428bb0a78a2151848fa158e8894fb2397ce1c2864ef7ca8e3376782fe425bdc39e4fe88ae0a5f73d0c485a98d8c1
ripemd-160 aa3cf203ac9e86b852d0e09836febc5f465906bb

18238213 as geometric shapes

Circle

Radius = n
Diameter 36476426
Circumference 114594071.95081
Area 1.0449955463881E+15

Sphere

Radius = n
Volume 2.5411801812104E+22
Surface area 4.1799821855525E+15
Circumference 114594071.95081

Square

Length = n
Perimeter 72952852
Area 332632413433369
Diagonal 25792728.178049

Cube

Length = n
Surface area 1995794480600214
Volume 6.0666208069018E+21
Space diagonal 31589511.555263

Equilateral Triangle

Length = n
Perimeter 54714639
Area 1.4403406007771E+14
Altitude 15794755.777632

Triangular Pyramid

Length = n
Surface area 1.4403406007771E+14
Volume 7.1495811857462E+20
Height 8597576.0593498