18389966 (number)

18389966 is an even 8-digits composite number following 18389965 and preceding 18389967. In scientific notation, it is written as 1.8389966 × 10^7. The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors. There are 7881408 positive integers (up to 18389966) that are relatively prime to 18389966.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8389966 × 10^7
Engineering notation 1.8389966 × 10^6

Prime Factorization of 18389966

Prime Factorization 2 × 7 × 1313569

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18389966
Product of the distinct prime numbers

The prime factorization of 18389966 is 2 × 7 × 1313569. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18389966)

Multiplication

n×y
n×2 36779932
n×3 55169898
n×4 73559864
n×5 91949830

Division

n÷y
n÷2 9194983
n÷3 6129988.6666667
n÷3 4597491.5
n÷5 3677993.2

Exponentiation

ny
n2 338190849481156
n3 6.2193182234696E+21
n4 1.1437305067279E+29
n5 2.1033165131888E+36

Nth Root

y√n
2√n 4288.3523642537
3√n 263.95322671513
4√n 65.485512628777
5√n 28.373713896747

Divisors of 18389966

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 -18389965
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 18389966 can be divided by 8 positive divisors. The sum of these divisors (counting 18389966) is 1, the average is 0.125.

Base conversion 18389966

Base System Value
2 Binary 1000110001001101111001110
3 Ternary 1021121022021212
4 Quaternary 1012021233032
5 Quinary 14201434331
6 Senary 1454054422
8 Octal 106115716
10 Decimal 18389966
12 Duodecimal 61aa412
16 Hexadecimal 1189bce
20 Vigesimal 5eiei6
36 Base36 ay5se

Cryptographic Hash Functions

md5 fefb366166206393b80e9d3c03c1a0cf
sha1 0ec1225a9052ccd3eef45d375f44ca5ebca4c27a
sha256 c85f77a33ddada489c343597c594d9ce52b108ff3ae430097a4c2a8e481d0925
sha512 457825b0708a438b25428d4bb468107340677478039b0bca3024ed3da856ee7097a0a6ce0eb0ab93b12dd4e57fdd06596a01672688a46165f4ce6452ab687ab1
ripemd-160 7cb2dcd9ba2e5435e48b2142e6b4afd0d960d83a

18389966 as geometric shapes

Circle

Radius = n
Diameter 36779932
Circumference 115547564.17073
Area 1.0624578882413E+15

Sphere

Radius = n
Volume 2.6051419254919E+22
Surface area 4.2498315529652E+15
Circumference 115547564.17073

Square

Length = n
Perimeter 73559864
Area 338190849481156
Diagonal 26007339.32878

Cube

Length = n
Surface area 2029145096886936
Volume 6.2193182234696E+21
Space diagonal 31852355.461464

Equilateral Triangle

Length = n
Perimeter 55169898
Area 1.4644093348906E+14
Altitude 15926177.730732

Triangular Pyramid

Length = n
Surface area 1.4644093348906E+14
Volume 7.329536816954E+20
Height 8669113.1095934