18163985 (number)

18163985 is an odd 8-digits composite number following 18163984 and preceding 18163986. In scientific notation, it is written as 1.8163985 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 12052800 positive integers (up to 18163985) that are relatively prime to 18163985.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8163985 × 10^7
Engineering notation 1.8163985 × 10^6

Prime Factorization of 18163985

Prime Factorization 7 × 155 × 16741

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18163985
Product of the distinct prime numbers

The prime factorization of 18163985 is 7 × 155 × 16741. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18163985)

Multiplication

n×y
n×2 36327970
n×3 54491955
n×4 72655940
n×5 90819925

Division

n÷y
n÷2 9081992.5
n÷3 6054661.6666667
n÷3 4540996.25
n÷5 3632797

Exponentiation

ny
n2 329930351080225
n3 5.9928499480659E+21
n4 1.0885403656392E+29
n5 1.9772230873365E+36

Nth Root

y√n
2√n 4261.9226881773
3√n 262.86759082548
4√n 65.283402853844
5√n 28.303635776866

Divisors of 18163985

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 -18163984
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 18163985 can be divided by 8 positive divisors. The sum of these divisors (counting 18163985) is 1, the average is 0.125.

Base conversion 18163985

Base System Value
2 Binary 1000101010010100100010001
3 Ternary 1021011211022012
4 Quaternary 1011102210101
5 Quinary 14122221420
6 Senary 1445152305
8 Octal 105224421
10 Decimal 18163985
12 Duodecimal 60bb695
16 Hexadecimal 1152911
20 Vigesimal 5da9j5
36 Base36 atbf5

Cryptographic Hash Functions

md5 c5e7cd9d20399dab69f6e672a789963b
sha1 e99d4d5d71278129296d820c5899433792c1be2a
sha256 fa7dd32eedb5e957eff1ab36a6ead84e38a982d0f092d1d2d0095c68f80a1ba5
sha512 c9d619364db328a251368411b7055e785286c4b250b95aa9affae44103401d3c3d8c0d023088a0120a50f5ce1abfa8321083ec9c15aa3621d98a6805d77bb113
ripemd-160 424053f40f50ed6c15f23c0d7634dbb8052dcfa6

18163985 as geometric shapes

Circle

Radius = n
Diameter 36327970
Circumference 114127683.67183
Area 1.0365067671499E+15

Sphere

Radius = n
Volume 2.5102791161213E+22
Surface area 4.1460270685997E+15
Circumference 114127683.67183

Square

Length = n
Perimeter 72655940
Area 329930351080225
Diagonal 25687753.933741

Cube

Length = n
Surface area 1979582106481350
Volume 5.9928499480659E+21
Space diagonal 31460944.887919

Equilateral Triangle

Length = n
Perimeter 54491955
Area 1.428640327575E+14
Altitude 15730472.443959

Triangular Pyramid

Length = n
Surface area 1.428640327575E+14
Volume 7.0626413948515E+20
Height 8562584.6445805