20806872 (number)

20806872 is an even 8-digits composite number following 20806871 and preceding 20806873. In scientific notation, it is written as 2.0806872 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 16 positive divisors. There are 6935616 positive integers (up to 20806872) that are relatively prime to 20806872.

Interesting facts

Basic properties

Name

Name twenty million eight hundred six thousand eight hundred seventy-two

Notation

Scientific notation 2.0806872 × 10^7
Engineering notation 2.0806872 × 10^6

Prime Factorization of 20806872

Prime Factorization 2 × 2 × 2 × 3 × 866953

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5201718
Product of the distinct prime numbers

The prime factorization of 20806872 is 2 × 2 × 2 × 3 × 866953. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20806872)

Multiplication

n×y
n×2 41613744
n×3 62420616
n×4 83227488
n×5 104034360

Division

n÷y
n÷2 10403436
n÷3 6935624
n÷3 5201718
n÷5 4161374.4

Exponentiation

ny
n2 432925922424384
n3 9.0078342533661E+21
n4 1.87424854307E+29
n5 3.8997249531845E+36

Nth Root

y√n
2√n 4561.4550310181
3√n 275.04405685326
4√n 67.538544780133
5√n 29.08314436586

Divisors of 20806872

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 -20806871
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 20806872 can be divided by 16 positive divisors. The sum of these divisors (counting 20806872) is 1, the average is 0.0625.

Base conversion 20806872

Base System Value
2 Binary 1001111010111110011011000
3 Ternary 1110011002122220
4 Quaternary 1033113303120
5 Quinary 20311304442
6 Senary 2021544040
8 Octal 117276330
10 Decimal 20806872
12 Duodecimal 6b75020
16 Hexadecimal 13d7cd8
20 Vigesimal 6a0h3c
36 Base36 cdyoo

Cryptographic Hash Functions

md5 af6c53cebf2954b7a2ace19427c5ab40
sha1 30eba5314be5e04b737eb508a8509017c4b2935c
sha256 0cfb4a315f8a0a2497cc43905a1dd896133046e7047ee782b316a793409fc724
sha512 1e2b25a70c574ba494aa96d98fddea7bba707480ade7aa1ee93ddff7a9eac04571a5ba8a443c1c13ed4a6fd8426c4fe9805b7837f3ef4292da968ffb0a14d38d
ripemd-160 cea74308cbcd3908b56f545725c40bdd121ae613

20806872 as geometric shapes

Circle

Radius = n
Diameter 41613744
Circumference 130733432.43877
Area 1.360076897437E+15

Sphere

Radius = n
Volume 3.7731927886839E+22
Surface area 5.4403075897481E+15
Circumference 130733432.43877

Square

Length = n
Perimeter 83227488
Area 432925922424384
Diagonal 29425360.572961

Cube

Length = n
Surface area 2597555534546304
Volume 9.0078342533661E+21
Space diagonal 36038559.450582

Equilateral Triangle

Length = n
Perimeter 62420616
Area 1.8746242338816E+14
Altitude 18019279.725291

Triangular Pyramid

Length = n
Surface area 1.8746242338816E+14
Volume 1.0615834473933E+21
Height 9808453.5243203