18889985 (number)

18889985 is an odd 8-digits composite number following 18889984 and preceding 18889986. In scientific notation, it is written as 1.8889985 × 10^7. The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors. There are 15111984 positive integers (up to 18889985) that are relatively prime to 18889985.

Interesting facts

Basic properties

Name

Name eighteen million eight hundred eighty-nine thousand nine hundred eighty-five

Notation

Scientific notation 1.8889985 × 10^7
Engineering notation 1.8889985 × 10^6

Prime Factorization of 18889985

Prime Factorization 5 × 3777997

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18889985
Product of the distinct prime numbers

The prime factorization of 18889985 is 5 × 3777997. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 5, 72, 34, 173, 238, 9104, 2576, 63773, 18086, 497266, 407485, 9256934, 4441654, 37576554, 7911236, 313673612, 568369366, 179795793, 5645407483

Basic calculations (n = 18889985)

Multiplication

n×y
n×2 37779970
n×3 56669955
n×4 75559940
n×5 94449925

Division

n÷y
n÷2 9444992.5
n÷3 6296661.6666667
n÷3 4722496.25
n÷5 3777997

Exponentiation

ny
n2 356831533300225
n3 6.7405423115683E+21
n4 1.2732874315739E+29
n5 2.4052380483119E+36

Nth Root

y√n
2√n 4346.2610367993
3√n 266.32414269363
4√n 65.926178691013
5√n 28.526357632135

Divisors of 18889985

1, 5, 3777997, 18889985

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 -18889984
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 18889985 can be divided by 4 positive divisors. The sum of these divisors (counting 18889985) is 1, the average is 0.25.

Base conversion 18889985

Base System Value
2 Binary 1001000000011110100000001
3 Ternary 1022112201012002
4 Quaternary 1020003310001
5 Quinary 14313434420
6 Senary 1512513345
8 Octal 110036401
10 Decimal 18889985
12 Duodecimal 63ab855
16 Hexadecimal 1203d01
20 Vigesimal 5i14j5
36 Base36 b8vlt

Cryptographic Hash Functions

md5 b1c30b488cf2b3978508ee93ea04dd2c
sha1 ffd3e7b7a4654d5ef5289aa657c794cf4296fb84
sha256 5350f43781e7c20fbbd5cb6bbb5d472d6754de8c781456de3d6e102cd77e66b4
sha512 b952674b02f3824e983940358382d0902a7fe2645971cf9e1b085554411b440a360f5c4406de4d6669605f660d87f320b743adb14b6f0809bfa35fc16ae2bb0f
ripemd-160 fa72a020236545087a560ae9e6d7c37b29acd991

18889985 as geometric shapes

Circle

Radius = n
Diameter 37779970
Circumference 118689276.20484
Area 1.1210193235852E+15

Sphere

Radius = n
Volume 2.8234717609645E+22
Surface area 4.4840772943407E+15
Circumference 118689276.20484

Square

Length = n
Perimeter 75559940
Area 356831533300225
Diagonal 26714472.980024

Cube

Length = n
Surface area 2140989199801350
Volume 6.7405423115683E+21
Space diagonal 32718413.774214

Equilateral Triangle

Length = n
Perimeter 56669955
Area 1.5451258635467E+14
Altitude 16359206.887107

Triangular Pyramid

Length = n
Surface area 1.5451258635467E+14
Volume 7.9438052956413E+20
Height 8904824.3266748