18163986 (number)

18163986 is an even 8-digits composite number following 18163985 and preceding 18163987. In scientific notation, it is written as 1.8163986 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 6046064 positive integers (up to 18163986) that are relatively prime to 18163986.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8163986 × 10^7
Engineering notation 1.8163986 × 10^6

Prime Factorization of 18163986

Prime Factorization 2 × 3 × 887 × 3413

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18163986
Product of the distinct prime numbers

The prime factorization of 18163986 is 2 × 3 × 887 × 3413. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 1, 92, 96, 364, 289, 7024, 870, 40575, 4212, 509377, 613984, 8662608, 8955991, 25909273, 56376586, 127736695, 677386363, 4220087538, 9246994817

Basic calculations (n = 18163986)

Multiplication

n×y
n×2 36327972
n×3 54491958
n×4 72655944
n×5 90819930

Division

n÷y
n÷2 9081993
n÷3 6054662
n÷3 4540996.5
n÷5 3632797.2

Exponentiation

ny
n2 329930387408196
n3 5.992850937857E+21
n4 1.0885406053532E+29
n5 1.9772236316067E+36

Nth Root

y√n
2√n 4261.9228054952
3√n 262.86759564946
4√n 65.283403752372
5√n 28.303636088512

Divisors of 18163986

1, 2, 3, 6, 887, 1774, 2661, 3413, 5322, 6826, 10239, 20478, 3027331, 6054662, 9081993, 18163986

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18163985
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18163986 can be divided by 16 positive divisors. The sum of these divisors (counting 18163986) is 1, the average is 0.0625.

Base conversion 18163986

Base System Value
2 Binary 1000101010010100100010010
3 Ternary 1021011211022020
4 Quaternary 1011102210102
5 Quinary 14122221421
6 Senary 1445152310
8 Octal 105224422
10 Decimal 18163986
12 Duodecimal 60bb696
16 Hexadecimal 1152912
20 Vigesimal 5da9j6
36 Base36 atbf6

Cryptographic Hash Functions

md5 ca8c37e243df30a34ce6a192b7f82bfa
sha1 3370ec53a1718fbfb56196527e774bd0080d9df8
sha256 a94ec1518bf22650f71b970fa74f3231df268f2833e4aedfab1cc5838b6ab30f
sha512 e40c8f895e99fb98b1a06a30562fea0bd7388c566b169213772d7b83c9f366019c6a275a87e43f29bfd3f790d2194c4793b65c3d8dcb495fdc153d6894cdbee8
ripemd-160 2029e56dfb274906a7f6b5fb2c46591da8e037a6

18163986 as geometric shapes

Circle

Radius = n
Diameter 36327972
Circumference 114127689.95502
Area 1.0365068812776E+15

Sphere

Radius = n
Volume 2.5102795307241E+22
Surface area 4.1460275251105E+15
Circumference 114127689.95502

Square

Length = n
Perimeter 72655944
Area 329930387408196
Diagonal 25687755.347955

Cube

Length = n
Surface area 1979582324449176
Volume 5.992850937857E+21
Space diagonal 31460946.61997

Equilateral Triangle

Length = n
Perimeter 54491958
Area 1.4286404848797E+14
Altitude 15730473.309985

Triangular Pyramid

Length = n
Surface area 1.4286404848797E+14
Volume 7.0626425613315E+20
Height 8562585.115985