20665909 (number)

20665909 is an odd 8-digits composite number following 20665908 and preceding 20665910. In scientific notation, it is written as 2.0665909 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 18745200 positive integers (up to 20665909) that are relatively prime to 20665909.

Interesting facts

Basic properties

Name

Name twenty million six hundred sixty-five thousand nine hundred nine

Notation

Scientific notation 2.0665909 × 10^7
Engineering notation 2.0665909 × 10^6

Prime Factorization of 20665909

Prime Factorization 11 × 509 × 3691

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20665909
Product of the distinct prime numbers

The prime factorization of 20665909 is 11 × 509 × 3691. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20665909)

Multiplication

n×y
n×2 41331818
n×3 61997727
n×4 82663636
n×5 103329545

Division

n÷y
n÷2 10332954.5
n÷3 6888636.3333333
n÷3 5166477.25
n÷5 4133181.8

Exponentiation

ny
n2 427079794796281
n3 8.8259921749986E+21
n4 1.8239715112323E+29
n5 3.769402926972E+36

Nth Root

y√n
2√n 4545.9772326751
3√n 274.42152339196
4√n 67.423862487068
5√n 29.043630474312

Divisors of 20665909

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 -20665908
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 20665909 can be divided by 8 positive divisors. The sum of these divisors (counting 20665909) is 1, the average is 0.125.

Base conversion 20665909

Base System Value
2 Binary 1001110110101011000110101
3 Ternary 1102212221022001
4 Quaternary 1032311120311
5 Quinary 20242302114
6 Senary 2014535301
8 Octal 116653065
10 Decimal 20665909
12 Duodecimal 6b07531
16 Hexadecimal 13b5635
20 Vigesimal 6934f9
36 Base36 caxx1

Cryptographic Hash Functions

md5 11172b08d84d87f73729cc67462bae41
sha1 990d8b268a47eb364f8027992462109debfc4a12
sha256 c0d67a1f747c09963f598884f32a65f7f0af95aea7563edc24d3c418d9ecfe0a
sha512 92742591dbebf73b748c093de43379c6819a5bd0eb494e86717b52033e80b5871d4fedeb78cb106659bd21d69e6c6de741cc706e2f1e1441db778f15098d049a
ripemd-160 1076438c019994f3851776fd867fa0c8baa478f3

20665909 as geometric shapes

Circle

Radius = n
Diameter 41331818
Circumference 129847735.78831
Area 1.3417107458286E+15

Sphere

Radius = n
Volume 3.6970229570156E+22
Surface area 5.3668429833145E+15
Circumference 129847735.78831

Square

Length = n
Perimeter 82663636
Area 427079794796281
Diagonal 29226008.786568

Cube

Length = n
Surface area 2562478768777686
Volume 8.8259921749986E+21
Space diagonal 35794404.372595

Equilateral Triangle

Length = n
Perimeter 61997727
Area 1.8493097586831E+14
Altitude 17897202.186297

Triangular Pyramid

Length = n
Surface area 1.8493097586831E+14
Volume 1.0401531529402E+21
Height 9742002.9288561