20506788 (number)

20506788 is an even 8-digits composite number following 20506787 and preceding 20506789. In scientific notation, it is written as 2.0506788 × 10^7. The sum of its digits is 36. It has a total of 6 prime factors and 42 positive divisors. There are 6679680 positive integers (up to 20506788) that are relatively prime to 20506788.

Interesting facts

Basic properties

Name

Name twenty million five hundred six thousand seven hundred eighty-eight

Notation

Scientific notation 2.0506788 × 10^7
Engineering notation 2.0506788 × 10^6

Prime Factorization of 20506788

Prime Factorization 2 × 2 × 3 × 213 × 71 × 113

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 10253394
Product of the distinct prime numbers

The prime factorization of 20506788 is 2 × 2 × 3 × 213 × 71 × 113. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20506788)

Multiplication

n×y
n×2 41013576
n×3 61520364
n×4 82027152
n×5 102533940

Division

n÷y
n÷2 10253394
n÷3 6835596
n÷3 5126697
n÷5 4101357.6

Exponentiation

ny
n2 420528354076944
n3 8.6236858050448E+21
n4 1.7684409658266E+29
n5 3.6265043976722E+36

Nth Root

y√n
2√n 4528.442116225
3√n 273.71538813041
4√n 67.293700420061
5√n 28.998766721873

Divisors of 20506788

42 divisors

τ Total Divisors 42
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20506787
Sum of the proper positive divisors of n
A Arithmetic Mean 0.023809523809524
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 42
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20506788 can be divided by 42 positive divisors. The sum of these divisors (counting 20506788) is 1, the average is 0.023809523809524.

Base conversion 20506788

Base System Value
2 Binary 1001110001110100010100100
3 Ternary 1102120212000200
4 Quaternary 1032032202210
5 Quinary 20222204123
6 Senary 2011310500
8 Octal 116164244
10 Decimal 20506788
12 Duodecimal 6a4b430
16 Hexadecimal 138e8a4
20 Vigesimal 6836j8
36 Base36 c7j50

Cryptographic Hash Functions

md5 0f22a8be04506968c11b4a1183ae2431
sha1 10d18898701b604412ad805fb6deeab402394a4c
sha256 bc6654be17f6689c86d007bd7af9ab71eac56709eb5943de66a173c1dfb992ee
sha512 b0511e10c13ca3e6b36dc54ff85aae7c41e1cbc864a4a2433608fd8b73064e9d5af7a76a9deab89575da18445d0c14c1b92041fe13c77d0a3d517d6e5889b003
ripemd-160 b20eb7894441e53926ee624c850656485f695542

20506788 as geometric shapes

Circle

Radius = n
Diameter 41013576
Circumference 128847949.05905
Area 1.3211287877943E+15

Sphere

Radius = n
Volume 3.6122810629327E+22
Surface area 5.2845151511773E+15
Circumference 128847949.05905

Square

Length = n
Perimeter 82027152
Area 420528354076944
Diagonal 29000977.71031

Cube

Length = n
Surface area 2523170124461664
Volume 8.6236858050448E+21
Space diagonal 35518798.716044

Equilateral Triangle

Length = n
Perimeter 61520364
Area 1.8209411882115E+14
Altitude 17759399.358022

Triangular Pyramid

Length = n
Surface area 1.8209411882115E+14
Volume 1.0163111185949E+21
Height 9666992.5701033