20512709 (number)

20512709 is an odd 8-digits composite number following 20512708 and preceding 20512710. In scientific notation, it is written as 2.0512709 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 17558640 positive integers (up to 20512709) that are relatively prime to 20512709.

Interesting facts

Basic properties

Name

Name twenty million five hundred twelve thousand seven hundred nine

Notation

Scientific notation 2.0512709 × 10^7
Engineering notation 2.0512709 × 10^6

Prime Factorization of 20512709

Prime Factorization 7 × 991 × 2957

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20512709
Product of the distinct prime numbers

The prime factorization of 20512709 is 7 × 991 × 2957. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20512709)

Multiplication

n×y
n×2 41025418
n×3 61538127
n×4 82050836
n×5 102563545

Division

n÷y
n÷2 10256354.5
n÷3 6837569.6666667
n÷3 5128177.25
n÷5 4102541.8

Exponentiation

ny
n2 420771230518681
n3 8.6311578072016E+21
n4 1.770484284322E+29
n5 3.6317428913371E+36

Nth Root

y√n
2√n 4529.0958258796
3√n 273.74172921086
4√n 67.298557383347
5√n 29.000441112526

Divisors of 20512709

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 -20512708
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 20512709 can be divided by 8 positive divisors. The sum of these divisors (counting 20512709) is 1, the average is 0.125.

Base conversion 20512709

Base System Value
2 Binary 1001110001111111111000101
3 Ternary 1102121011010222
4 Quaternary 1032033333011
5 Quinary 20222401314
6 Senary 2011354125
8 Octal 116177705
10 Decimal 20512709
12 Duodecimal 6a52945
16 Hexadecimal 138ffc5
20 Vigesimal 6841f9
36 Base36 c7nph

Cryptographic Hash Functions

md5 dd30d09a8110f491679debbfdb909ae5
sha1 73aaff6285bef18979a66a0e28980523b9285e45
sha256 6a7395e506c381eb64ed2fd44ed752bca147934ef02a0efafd4519d3d36ffc3e
sha512 8b2726a2a5972fa2c25f1e5e0bdf55ae416396cb704fa7e55582e9c6ce6a2e8d8f7b419fe0dce2795e7f9a1f18d35fe9e8410235ef31045d8cbd55f93e9d9436
ripemd-160 4d35e36dfe64601fa66b03579fce0ed4d32b6234

20512709 as geometric shapes

Circle

Radius = n
Diameter 41025418
Circumference 128885151.79925
Area 1.3218918066394E+15

Sphere

Radius = n
Volume 3.6154109278772E+22
Surface area 5.2875672265577E+15
Circumference 128885151.79925

Square

Length = n
Perimeter 82050836
Area 420771230518681
Diagonal 29009351.268813

Cube

Length = n
Surface area 2524627383112086
Volume 8.6311578072016E+21
Space diagonal 35529054.188875

Equilateral Triangle

Length = n
Perimeter 61538127
Area 1.8219928740541E+14
Altitude 17764527.094438

Triangular Pyramid

Length = n
Surface area 1.8219928740541E+14
Volume 1.0171917024939E+21
Height 9669783.7562709