20809969 (number)

20809969 is an odd 8-digits composite number following 20809968 and preceding 20809970. In scientific notation, it is written as 2.0809969 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 20722660 positive integers (up to 20809969) that are relatively prime to 20809969.

Interesting facts

Basic properties

Name

Name twenty million eight hundred nine thousand nine hundred sixty-nine

Notation

Scientific notation 2.0809969 × 10^7
Engineering notation 2.0809969 × 10^6

Prime Factorization of 20809969

Prime Factorization 239 × 87071

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20809969
Product of the distinct prime numbers

The prime factorization of 20809969 is 239 × 87071. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20809969)

Multiplication

n×y
n×2 41619938
n×3 62429907
n×4 83239876
n×5 104049845

Division

n÷y
n÷2 10404984.5
n÷3 6936656.3333333
n÷3 5202492.25
n÷5 4161993.8

Exponentiation

ny
n2 433054809780961
n3 9.0118571668427E+21
n4 1.8753646827442E+29
n5 3.9026280911603E+36

Nth Root

y√n
2√n 4561.7944933984
3√n 275.05770249215
4√n 67.541057834464
5√n 29.084010090761

Divisors of 20809969

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 -20809968
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 20809969 can be divided by 4 positive divisors. The sum of these divisors (counting 20809969) is 1, the average is 0.25.

Base conversion 20809969

Base System Value
2 Binary 1001111011000100011110001
3 Ternary 1110011020220121
4 Quaternary 1033120203301
5 Quinary 20311404334
6 Senary 2022010241
8 Octal 117304361
10 Decimal 20809969
12 Duodecimal 6b76981
16 Hexadecimal 13d88f1
20 Vigesimal 6a14i9
36 Base36 ce12p

Cryptographic Hash Functions

md5 b539a82cf90b07c324dbb43821613cab
sha1 42018f2366f12f02791cfb6c9e83eea0e7416cd9
sha256 5d4626537be42b348a77fdc19792b7dd79a62feb55f11a10de6e318c3b41d6c4
sha512 14d4c5c9ba984eb8cfe1a3367b37868d3e271572656937e85d7f930804de25824ebc831c96ceeadc9e87fe584a41876b0ff748ada4ff23168340c2ca554e50c5
ripemd-160 d41897ca5da3775e8c4f30d676626a9ba4082b9b

20809969 as geometric shapes

Circle

Radius = n
Diameter 41619938
Circumference 130752891.46366
Area 1.3604818090096E+15

Sphere

Radius = n
Volume 3.7748779027405E+22
Surface area 5.4419272360384E+15
Circumference 130752891.46366

Square

Length = n
Perimeter 83239876
Area 433054809780961
Diagonal 29429740.392364

Cube

Length = n
Surface area 2598328858685766
Volume 9.0118571668427E+21
Space diagonal 36043923.611933

Equilateral Triangle

Length = n
Perimeter 62429907
Area 1.8751823325068E+14
Altitude 18021961.805967

Triangular Pyramid

Length = n
Surface area 1.8751823325068E+14
Volume 1.0620575522932E+21
Height 9809913.4641212