20809742 (number)

20809742 is an even 8-digits composite number following 20809741 and preceding 20809743. In scientific notation, it is written as 2.0809742 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 10069200 positive integers (up to 20809742) that are relatively prime to 20809742.

Interesting facts

Basic properties

Name

Name twenty million eight hundred nine thousand seven hundred forty-two

Notation

Scientific notation 2.0809742 × 10^7
Engineering notation 2.0809742 × 10^6

Prime Factorization of 20809742

Prime Factorization 2 × 31 × 335641

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20809742
Product of the distinct prime numbers

The prime factorization of 20809742 is 2 × 31 × 335641. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20809742)

Multiplication

n×y
n×2 41619484
n×3 62429226
n×4 83238968
n×5 104048710

Division

n÷y
n÷2 10404871
n÷3 6936580.6666667
n÷3 5202435.5
n÷5 4161948.4

Exponentiation

ny
n2 433045362106564
n3 9.0115622597342E+21
n4 1.8752828564201E+29
n5 3.9024152419124E+36

Nth Root

y√n
2√n 4561.7696127709
3√n 275.0567023573
4√n 67.540873645304
5√n 29.08394663945

Divisors of 20809742

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 -20809741
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 20809742 can be divided by 8 positive divisors. The sum of these divisors (counting 20809742) is 1, the average is 0.125.

Base conversion 20809742

Base System Value
2 Binary 1001111011000100000001110
3 Ternary 1110011020121012
4 Quaternary 1033120200032
5 Quinary 20311402432
6 Senary 2022005222
8 Octal 117304016
10 Decimal 20809742
12 Duodecimal 6b76812
16 Hexadecimal 13d880e
20 Vigesimal 6a1472
36 Base36 ce0we

Cryptographic Hash Functions

md5 55e436e3a42023dc856832cab1acea62
sha1 0d8d068411afb2c14e748512ba4abc418dbc71bf
sha256 b54820c4379fa7d3f772e01d5692b7825c0f8b607f9d19cac7789b090c6051c4
sha512 fbe7d787bd0f77cc930a042b4969c1c28223db76e6633039efd8cbe340961ae3392b5721da2df57c722b71f82a66968ef4f3dff3c2911b7da6e9847b0d34ca59
ripemd-160 b43b14aec4a97a1b1d21e92b2168d370b865381e

20809742 as geometric shapes

Circle

Radius = n
Diameter 41619484
Circumference 130751465.1806
Area 1.3604521282651E+15

Sphere

Radius = n
Volume 3.7747543723397E+22
Surface area 5.4418085130605E+15
Circumference 130751465.1806

Square

Length = n
Perimeter 83238968
Area 433045362106564
Diagonal 29429419.365885

Cube

Length = n
Surface area 2598272172639384
Volume 9.0115622597342E+21
Space diagonal 36043530.4364

Equilateral Triangle

Length = n
Perimeter 62429226
Area 1.8751414228766E+14
Altitude 18021765.2182

Triangular Pyramid

Length = n
Surface area 1.8751414228766E+14
Volume 1.0620227971571E+21
Height 9809806.455295