20809507 (number)

20809507 is an odd 8-digits composite number following 20809506 and preceding 20809508. In scientific notation, it is written as 2.0809507 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 20594880 positive integers (up to 20809507) that are relatively prime to 20809507.

Interesting facts

Basic properties

Name

Name twenty million eight hundred nine thousand five hundred seven

Notation

Scientific notation 2.0809507 × 10^7
Engineering notation 2.0809507 × 10^6

Prime Factorization of 20809507

Prime Factorization 97 × 214531

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20809507
Product of the distinct prime numbers

The prime factorization of 20809507 is 97 × 214531. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20809507)

Multiplication

n×y
n×2 41619014
n×3 62428521
n×4 83238028
n×5 104047535

Division

n÷y
n÷2 10404753.5
n÷3 6936502.3333333
n÷3 5202376.75
n÷5 4161901.4

Exponentiation

ny
n2 433035581583049
n3 9.0112569662015E+21
n4 1.8751981491697E+29
n5 3.9021949011534E+36

Nth Root

y√n
2√n 4561.7438551501
3√n 275.05566696775
4√n 67.540682963308
5√n 29.083880951386

Divisors of 20809507

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20809506
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20809507 can be divided by 4 positive divisors. The sum of these divisors (counting 20809507) is 1, the average is 0.25.

Base conversion 20809507

Base System Value
2 Binary 1001111011000011100100011
3 Ternary 1110011020021111
4 Quaternary 1033120130203
5 Quinary 20311401012
6 Senary 2022004151
8 Octal 117303443
10 Decimal 20809507
12 Duodecimal 6b76657
16 Hexadecimal 13d8723
20 Vigesimal 6a13f7
36 Base36 ce0pv

Cryptographic Hash Functions

md5 10ddab1c12c527c5565b1fdfdfbef939
sha1 a8c81f50921ea01c49eb4c62c1165bea80e7652b
sha256 310c06798b3ed51fd7c6bce7659470af33bdaec0897f34f48d769c0e5f488a31
sha512 fa52b492ff0db786c06d261612575439c67763f1f4900dcd50efa92d4bb04eef6e81e2152e9b93394f90eb981eef95b39bb18e8049a6ad7542d164d8330d7b5d
ripemd-160 974fffa4afdf9c5ff288e64de1cb56cc597d1fc9

20809507 as geometric shapes

Circle

Radius = n
Diameter 41619014
Circumference 130749988.63205
Area 1.3604214018443E+15

Sphere

Radius = n
Volume 3.7746264912838E+22
Surface area 5.4416856073772E+15
Circumference 130749988.63205

Square

Length = n
Perimeter 83238028
Area 433035581583049
Diagonal 29429087.025698

Cube

Length = n
Surface area 2598213489498294
Volume 9.0112569662015E+21
Space diagonal 36043123.40446

Equilateral Triangle

Length = n
Perimeter 62428521
Area 1.8750990719674E+14
Altitude 18021561.70223

Triangular Pyramid

Length = n
Surface area 1.8750990719674E+14
Volume 1.0619868179693E+21
Height 9809695.6752326