20508918 (number)

20508918 is an even 8-digits composite number following 20508917 and preceding 20508919. In scientific notation, it is written as 2.0508918 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors. There are 6518400 positive integers (up to 20508918) that are relatively prime to 20508918.

Interesting facts

Basic properties

Name

Name twenty million five hundred eight thousand nine hundred eighteen

Notation

Scientific notation 2.0508918 × 10^7
Engineering notation 2.0508918 × 10^6

Prime Factorization of 20508918

Prime Factorization 2 × 3 × 71 × 31 × 1553

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20508918
Product of the distinct prime numbers

The prime factorization of 20508918 is 2 × 3 × 71 × 31 × 1553. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20508918)

Multiplication

n×y
n×2 41017836
n×3 61526754
n×4 82035672
n×5 102544590

Division

n÷y
n÷2 10254459
n÷3 6836306
n÷3 5127229.5
n÷5 4101783.6

Exponentiation

ny
n2 420615717530724
n3 8.6263732603488E+21
n4 1.7691758183389E+29
n5 3.6283881785895E+36

Nth Root

y√n
2√n 4528.6772903354
3√n 273.72486456316
4√n 67.295447768296
5√n 28.999369105893

Divisors of 20508918

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20508917
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20508918 can be divided by 32 positive divisors. The sum of these divisors (counting 20508918) is 1, the average is 0.03125.

Base conversion 20508918

Base System Value
2 Binary 1001110001111000011110110
3 Ternary 1102120221221120
4 Quaternary 1032033003312
5 Quinary 20222241133
6 Senary 2011324410
8 Octal 116170366
10 Decimal 20508918
12 Duodecimal 6a50706
16 Hexadecimal 138f0f6
20 Vigesimal 683c5i
36 Base36 c7ks6

Cryptographic Hash Functions

md5 110c7b08fb90b9ae47343f5f6a82b921
sha1 1a783e3fa74616a8fbc12bc3e08ee51415866dbb
sha256 4fa3d933e601e3249145865281375b5032eed9a73331180d01049fdaf38e0ed6
sha512 e8cf76672699f595478cae7859294088df3e75b55f02037ea6d43711b712150b10320b05b1ecb9ec61bc5bb5322f9dce24a3f90e60b79c84769d64af276c2108
ripemd-160 ac86ee1e33155cb600173a4eef3ae2b053d7f950

20508918 as geometric shapes

Circle

Radius = n
Diameter 41017836
Circumference 128861332.24375
Area 1.3214032481789E+15

Sphere

Radius = n
Volume 3.613406781578E+22
Surface area 5.2856129927157E+15
Circumference 128861332.24375

Square

Length = n
Perimeter 82035672
Area 420615717530724
Diagonal 29003989.985198

Cube

Length = n
Surface area 2523694305184344
Volume 8.6263732603488E+21
Space diagonal 35522487.984264

Equilateral Triangle

Length = n
Perimeter 61526754
Area 1.8213194830631E+14
Altitude 17761243.992132

Triangular Pyramid

Length = n
Surface area 1.8213194830631E+14
Volume 1.0166278382398E+21
Height 9667996.6617326