20189989 (number)

20189989 is an odd 8-digits composite number following 20189988 and preceding 20189990. In scientific notation, it is written as 2.0189989 × 10^7. The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors. There are 19083600 positive integers (up to 20189989) that are relatively prime to 20189989.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty-nine thousand nine hundred eighty-nine

Notation

Scientific notation 2.0189989 × 10^7
Engineering notation 2.0189989 × 10^6

Prime Factorization of 20189989

Prime Factorization 19 × 571 × 1861

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20189989
Product of the distinct prime numbers

The prime factorization of 20189989 is 19 × 571 × 1861. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20189989)

Multiplication

n×y
n×2 40379978
n×3 60569967
n×4 80759956
n×5 100949945

Division

n÷y
n÷2 10094994.5
n÷3 6729996.3333333
n÷3 5047497.25
n÷5 4037997.8

Exponentiation

ny
n2 407635655820121
n3 8.230159407016E+21
n4 1.661668278959E+29
n5 3.3549064273831E+36

Nth Root

y√n
2√n 4493.3271636951
3√n 272.29857010431
4√n 67.032284488111
5√n 28.908610418297

Divisors of 20189989

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 -20189988
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 20189989 can be divided by 8 positive divisors. The sum of these divisors (counting 20189989) is 1, the average is 0.125.

Base conversion 20189989

Base System Value
2 Binary 1001101000001001100100101
3 Ternary 1101222202110101
4 Quaternary 1031001030211
5 Quinary 20132034424
6 Senary 2000424101
8 Octal 115011445
10 Decimal 20189989
12 Duodecimal 6918031
16 Hexadecimal 1341325
20 Vigesimal 663ej9
36 Base36 c0qp1

Cryptographic Hash Functions

md5 20460c2e3a2c49349957ae14ed0cdd4c
sha1 4676b349a6c86bfb202142ac2d3318466216b708
sha256 1bfeaeb45c127d4c62a375912fdcc48b5919d9d86a34099dffc6aa9834f04ddc
sha512 e4814a5010827559d52e1ed834d44e266c59018fade67144efb7e5bfc36e85c0334c548ba6b8630e7c8c2e1603220fc17deb98db26e426a8151984f0574e5a2e
ripemd-160 7e55bd3b22720712041ededd1ace5d851d088f04

20189989 as geometric shapes

Circle

Radius = n
Diameter 40379978
Circumference 126857442.23692
Area 1.2806251816657E+15

Sphere

Radius = n
Volume 3.4474411107939E+22
Surface area 5.122500726663E+15
Circumference 126857442.23692

Square

Length = n
Perimeter 80759956
Area 407635655820121
Diagonal 28552956.267964

Cube

Length = n
Surface area 2445813934920726
Volume 8.230159407016E+21
Space diagonal 34970086.752257

Equilateral Triangle

Length = n
Perimeter 60569967
Area 1.7651141671428E+14
Altitude 17485043.376128

Triangular Pyramid

Length = n
Surface area 1.7651141671428E+14
Volume 9.6993358782455E+20
Height 9517652.0893212