20512005 (number)

20512005 is an odd 8-digits composite number following 20512004 and preceding 20512006. In scientific notation, it is written as 2.0512005 × 10^7. The sum of its digits is 15. It has a total of 4 prime factors and 16 positive divisors. There are 10902080 positive integers (up to 20512005) that are relatively prime to 20512005.

Interesting facts

Basic properties

Name

Name twenty million five hundred twelve thousand five

Notation

Scientific notation 2.0512005 × 10^7
Engineering notation 2.0512005 × 10^6

Prime Factorization of 20512005

Prime Factorization 3 × 5 × 311 × 4397

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20512005
Product of the distinct prime numbers

The prime factorization of 20512005 is 3 × 5 × 311 × 4397. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20512005)

Multiplication

n×y
n×2 41024010
n×3 61536015
n×4 82048020
n×5 102560025

Division

n÷y
n÷2 10256002.5
n÷3 6837335
n÷3 5128001.25
n÷5 4102401

Exponentiation

ny
n2 420742349120025
n3 8.6302691688617E+21
n4 1.7702412434304E+29
n5 3.631119723645E+36

Nth Root

y√n
2√n 4529.0181055059
3√n 273.73859755263
4√n 67.297979951154
5√n 29.000242049683

Divisors of 20512005

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20512004
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20512005 can be divided by 16 positive divisors. The sum of these divisors (counting 20512005) is 1, the average is 0.0625.

Base conversion 20512005

Base System Value
2 Binary 1001110001111110100000101
3 Ternary 1102121010011220
4 Quaternary 1032033310011
5 Quinary 20222341010
6 Senary 2011350553
8 Octal 116176405
10 Decimal 20512005
12 Duodecimal 6a52459
16 Hexadecimal 138fd05
20 Vigesimal 684005
36 Base36 c7n5x

Cryptographic Hash Functions

md5 011e511040899e5a5d762997c6618d21
sha1 5b81b5e79ffc71dae1a4801b8f3f862dad134acb
sha256 4ca29e0395ead9f0ed6a29be6b7d8a68840cf3aea84089714e077c7032df4ee2
sha512 58c401b22c8a6dec0de6e113c55bd6a051f7a30aecf74dd9a58a5e747bb71b0e5f85056437309d300571ab3d7e693137be6cca7f635baca59cbe91376dc709a7
ripemd-160 027cc3b306b7d432c20512352452ef042c1ccc05

20512005 as geometric shapes

Circle

Radius = n
Diameter 41024010
Circumference 128880728.43679
Area 1.3218010730496E+15

Sphere

Radius = n
Volume 3.6150386959198E+22
Surface area 5.2872042921983E+15
Circumference 128880728.43679

Square

Length = n
Perimeter 82048020
Area 420742349120025
Diagonal 29008355.662465

Cube

Length = n
Surface area 2524454094720150
Volume 8.6302691688617E+21
Space diagonal 35527834.825107

Equilateral Triangle

Length = n
Perimeter 61536015
Area 1.8218678139294E+14
Altitude 17763917.412553

Triangular Pyramid

Length = n
Surface area 1.8218678139294E+14
Volume 1.0170869754612E+21
Height 9669451.8874882