18388213 (number)

18388213 is an odd 8-digits composite number following 18388212 and preceding 18388214. In scientific notation, it is written as 1.8388213 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 17877600 positive integers (up to 18388213) that are relatively prime to 18388213.

Interesting facts

Basic properties

Name

Name eighteen million three hundred eighty-eight thousand two hundred thirteen

Notation

Scientific notation 1.8388213 × 10^7
Engineering notation 1.8388213 × 10^6

Prime Factorization of 18388213

Prime Factorization 41 × 383 × 1171

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18388213
Product of the distinct prime numbers

The prime factorization of 18388213 is 41 × 383 × 1171. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18388213)

Multiplication

n×y
n×2 36776426
n×3 55164639
n×4 73552852
n×5 91941065

Division

n÷y
n÷2 9194106.5
n÷3 6129404.3333333
n÷3 4597053.25
n÷5 3677642.6

Exponentiation

ny
n2 338126377333369
n3 6.2175398473244E+21
n4 1.1432944704859E+29
n5 2.1023142245017E+36

Nth Root

y√n
2√n 4288.1479685291
3√n 263.94483944731
4√n 65.483951992294
5√n 28.373172938519

Divisors of 18388213

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 -18388212
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 18388213 can be divided by 8 positive divisors. The sum of these divisors (counting 18388213) is 1, the average is 0.125.

Base conversion 18388213

Base System Value
2 Binary 1000110001001010011110101
3 Ternary 1021121012212221
4 Quaternary 1012021103311
5 Quinary 14201410323
6 Senary 1454042341
8 Octal 106112365
10 Decimal 18388213
12 Duodecimal 61a93b1
16 Hexadecimal 11894f5
20 Vigesimal 5eiaad
36 Base36 ay4fp

Cryptographic Hash Functions

md5 c77eb4baec22e26067b1d0a838487b03
sha1 0a4c6a816e6fd1ba2998448685240e8fe8c10354
sha256 fbe51abd645260ba345e689477b4665f844c1bc1be36b65b623d83dc38d98ccc
sha512 b0cba80d4aa9e8ced28322fc4dd214be91dd14fb851314baf964aca7da942e764603d63925e72e220e8bb5032253b3a99fa3a03148c5a2415dd371502d15d009
ripemd-160 6916c158e0362ba6ddc3e5e4f3daf121c95e5030

18388213 as geometric shapes

Circle

Radius = n
Diameter 36776426
Circumference 115536549.74689
Area 1.0622553430154E+15

Sphere

Radius = n
Volume 2.6043970010341E+22
Surface area 4.2490213720618E+15
Circumference 115536549.74689

Square

Length = n
Perimeter 73552852
Area 338126377333369
Diagonal 26004860.212405

Cube

Length = n
Surface area 2028758264000214
Volume 6.2175398473244E+21
Space diagonal 31849319.176399

Equilateral Triangle

Length = n
Perimeter 55164639
Area 1.4641301623015E+14
Altitude 15924659.588199

Triangular Pyramid

Length = n
Surface area 1.4641301623015E+14
Volume 7.3274409805677E+20
Height 8668286.7374684