20389984 (number)

20389984 is an even 8-digits composite number following 20389983 and preceding 20389985. In scientific notation, it is written as 2.0389984 × 10^7. The sum of its digits is 43. It has a total of 7 prime factors and 24 positive divisors. There are 10118400 positive integers (up to 20389984) that are relatively prime to 20389984.

Interesting facts

Basic properties

Name

Name twenty million three hundred eighty-nine thousand nine hundred eighty-four

Notation

Scientific notation 2.0389984 × 10^7
Engineering notation 2.0389984 × 10^6

Prime Factorization of 20389984

Prime Factorization 2 × 2 × 2 × 2 × 2 × 137 × 4651

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1274374
Product of the distinct prime numbers

The prime factorization of 20389984 is 2 × 2 × 2 × 2 × 2 × 137 × 4651. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20389984)

Multiplication

n×y
n×2 40779968
n×3 61169952
n×4 81559936
n×5 101949920

Division

n÷y
n÷2 10194992
n÷3 6796661.3333333
n÷3 5097496
n÷5 4077996.8

Exponentiation

ny
n2 415751447520256
n3 8.4771653629149E+21
n4 1.7284926611519E+29
n5 3.5243937705004E+36

Nth Root

y√n
2√n 4515.5269902859
3√n 273.1947158861
4√n 67.197671018316
5√n 28.965656557728

Divisors of 20389984

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20389983
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20389984 can be divided by 24 positive divisors. The sum of these divisors (counting 20389984) is 1, the average is 0.041666666666667.

Base conversion 20389984

Base System Value
2 Binary 1001101110010000001100000
3 Ternary 1102100220210121
4 Quaternary 1031302001200
5 Quinary 20204434414
6 Senary 2005010024
8 Octal 115620140
10 Decimal 20389984
12 Duodecimal 69b3914
16 Hexadecimal 1372060
20 Vigesimal 678ej4
36 Base36 c510g

Cryptographic Hash Functions

md5 0d50b9dd963164a358fba08c6fcd054a
sha1 e646416fea9766282a7a6a40f728bbcbb052f969
sha256 c9ed05c915189a1c74fcdcaa8640078292114373e66bf785a5152950ff0cd4b5
sha512 68c59e780983e0c93de401a93d5b98874c63caffd196d0589f0ed108d464519e6272626e75993002f895931d3e18a609dec09301f39f2714c41630ec43facf17
ripemd-160 46274062eb8b9c61d121d79e4f07b75762e5eec8

20389984 as geometric shapes

Circle

Radius = n
Diameter 40779968
Circumference 128114047.88243
Area 1.306121693249E+15

Sphere

Radius = n
Volume 3.5509067236532E+22
Surface area 5.2244867729958E+15
Circumference 128114047.88243

Square

Length = n
Perimeter 81559936
Area 415751447520256
Diagonal 28835791.90937

Cube

Length = n
Surface area 2494508685121536
Volume 8.4771653629149E+21
Space diagonal 35316488.253516

Equilateral Triangle

Length = n
Perimeter 61169952
Area 1.8002565760635E+14
Altitude 17658244.126758

Triangular Pyramid

Length = n
Surface area 1.8002565760635E+14
Volume 9.990435188928E+20
Height 9611930.6364568