18213215 (number)

18213215 is an odd 8-digits composite number following 18213214 and preceding 18213216. In scientific notation, it is written as 1.8213215 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 14570568 positive integers (up to 18213215) that are relatively prime to 18213215.

Interesting facts

Basic properties

Name

Name eighteen million two hundred thirteen thousand two hundred fifteen

Notation

Scientific notation 1.8213215 × 10^7
Engineering notation 1.8213215 × 10^6

Prime Factorization of 18213215

Prime Factorization 5 × 3642643

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18213215
Product of the distinct prime numbers

The prime factorization of 18213215 is 5 × 3642643. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18213215)

Multiplication

n×y
n×2 36426430
n×3 54639645
n×4 72852860
n×5 91066075

Division

n÷y
n÷2 9106607.5
n÷3 6071071.6666667
n÷3 4553303.75
n÷5 3642643

Exponentiation

ny
n2 331721200636225
n3 6.0417095472457E+21
n4 1.1003895495154E+29
n5 2.0041631449077E+36

Nth Root

y√n
2√n 4267.6943423821
3√n 263.10486067069
4√n 65.327592504103
5√n 28.31896148691

Divisors of 18213215

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 -18213214
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 18213215 can be divided by 4 positive divisors. The sum of these divisors (counting 18213215) is 1, the average is 0.25.

Base conversion 18213215

Base System Value
2 Binary 1000101011110100101011111
3 Ternary 1021021022211112
4 Quaternary 1011132211133
5 Quinary 14130310330
6 Senary 1450212235
8 Octal 105364537
10 Decimal 18213215
12 Duodecimal 612407b
16 Hexadecimal 115e95f
20 Vigesimal 5dgd0f
36 Base36 auden

Cryptographic Hash Functions

md5 4bdbc2f2f3578ec8c1efad3063f65c6a
sha1 302261691230eb2b8ff19750d8301ad36b1eded1
sha256 b58b96030c57ac58cb9ca0ba5835864c3cfe4611983494e01a6e12036581a6a2
sha512 dc27599f2cd4640c88f7f820704de3d419a274e12e95403d6329228451ba6e22d21257b4c572faed1b9d720c08488d0bc8d19d914a37df8b71e335138c979e96
ripemd-160 f229dbb8e27f09c1a94b550058c7c104bd1bb97d

18213215 as geometric shapes

Circle

Radius = n
Diameter 36426430
Circumference 114437004.8845
Area 1.0421328869588E+15

Sphere

Radius = n
Volume 2.5307453771667E+22
Surface area 4.168531547835E+15
Circumference 114437004.8845

Square

Length = n
Perimeter 72852860
Area 331721200636225
Diagonal 25757375.667417

Cube

Length = n
Surface area 1990327203817350
Volume 6.0417095472457E+21
Space diagonal 31546213.749176

Equilateral Triangle

Length = n
Perimeter 54639645
Area 1.4363949336242E+14
Altitude 15773106.874588

Triangular Pyramid

Length = n
Surface area 1.4363949336242E+14
Volume 7.1202229846949E+20
Height 8585791.889139