18388966 (number)

18388966 is an even 8-digits composite number following 18388965 and preceding 18388967. In scientific notation, it is written as 1.8388966 × 10^7. The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors. There are 9194482 positive integers (up to 18388966) that are relatively prime to 18388966.

Interesting facts

Basic properties

Name

Name eighteen million three hundred eighty-eight thousand nine hundred sixty-six

Notation

Scientific notation 1.8388966 × 10^7
Engineering notation 1.8388966 × 10^6

Prime Factorization of 18388966

Prime Factorization 2 × 9194483

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18388966
Product of the distinct prime numbers

The prime factorization of 18388966 is 2 × 9194483. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18388966)

Multiplication

n×y
n×2 36777932
n×3 55166898
n×4 73555864
n×5 91944830

Division

n÷y
n÷2 9194483
n÷3 6129655.3333333
n÷3 4597241.5
n÷5 3677793.2

Exponentiation

ny
n2 338154070549156
n3 6.21830370609E+21
n4 1.1434817542896E+29
n5 2.1027447101252E+36

Nth Root

y√n
2√n 4288.2357677721
3√n 263.94844225801
4√n 65.484622376342
5√n 28.373405311826

Divisors of 18388966

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 -18388965
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 18388966 can be divided by 4 positive divisors. The sum of these divisors (counting 18388966) is 1, the average is 0.25.

Base conversion 18388966

Base System Value
2 Binary 1000110001001011111100110
3 Ternary 1021121020220211
4 Quaternary 1012021133212
5 Quinary 14201421331
6 Senary 1454050034
8 Octal 106113746
10 Decimal 18388966
12 Duodecimal 61a991a
16 Hexadecimal 11897e6
20 Vigesimal 5eic86
36 Base36 ay50m

Cryptographic Hash Functions

md5 9b1e1abd06fafa18479323df53048274
sha1 813b77ae2b3e0a5bb8ef801487c1719450c12590
sha256 7ee8f4b3e842efd25c18dfc254a4a659f796dfe6d92f05168dc9750088cdbb3c
sha512 9e623a3974cc654d3a5997bd3b51995a08646c8741b21b330d424b93d3a992384a30ba013d033af5ebf936d05dc008c32feb08b3d5b666b0cfba3c319179fb3f
ripemd-160 695167c291cbecd2542b2675aaa1f5511f9b5a21

18388966 as geometric shapes

Circle

Radius = n
Diameter 36777932
Circumference 115541280.98542
Area 1.0623423438187E+15

Sphere

Radius = n
Volume 2.6047169654457E+22
Surface area 4.2493693752749E+15
Circumference 115541280.98542

Square

Length = n
Perimeter 73555864
Area 338154070549156
Diagonal 26005925.115218

Cube

Length = n
Surface area 2028924423294936
Volume 6.21830370609E+21
Space diagonal 31850623.410657

Equilateral Triangle

Length = n
Perimeter 55166898
Area 1.4642500774434E+14
Altitude 15925311.705328

Triangular Pyramid

Length = n
Surface area 1.4642500774434E+14
Volume 7.3283411967562E+20
Height 8668641.7050726