20391566 (number)

20391566 is an even 8-digits composite number following 20391565 and preceding 20391567. In scientific notation, it is written as 2.0391566 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 9366624 positive integers (up to 20391566) that are relatively prime to 20391566.

Interesting facts

Basic properties

Name

Name twenty million three hundred ninety-one thousand five hundred sixty-six

Notation

Scientific notation 2.0391566 × 10^7
Engineering notation 2.0391566 × 10^6

Prime Factorization of 20391566

Prime Factorization 2 × 13 × 223 × 3517

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20391566
Product of the distinct prime numbers

The prime factorization of 20391566 is 2 × 13 × 223 × 3517. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20391566)

Multiplication

n×y
n×2 40783132
n×3 61174698
n×4 81566264
n×5 101957830

Division

n÷y
n÷2 10195783
n÷3 6797188.6666667
n÷3 5097891.5
n÷5 4078313.2

Exponentiation

ny
n2 415815963932356
n3 8.4791386723803E+21
n4 1.7290291586099E+29
n5 3.5257612203719E+36

Nth Root

y√n
2√n 4515.7021602404
3√n 273.20178116651
4√n 67.198974398724
5√n 28.966106016115

Divisors of 20391566

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 -20391565
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 20391566 can be divided by 16 positive divisors. The sum of these divisors (counting 20391566) is 1, the average is 0.0625.

Base conversion 20391566

Base System Value
2 Binary 1001101110010011010001110
3 Ternary 1102100222222012
4 Quaternary 1031302122032
5 Quinary 20210012231
6 Senary 2005021222
8 Octal 115623216
10 Decimal 20391566
12 Duodecimal 69b4812
16 Hexadecimal 137268e
20 Vigesimal 678ii6
36 Base36 c528e

Cryptographic Hash Functions

md5 e1fd27cb3a6a6aea7d8b90d0549465d7
sha1 14249516634b856a003160f4cbbc3c1ada99f3f5
sha256 798f1f6a45975df498679c84beb6d5ca767c732e2ff1e6551b33acc3362dcd34
sha512 659a334acb7fc8f4cc33329fc65e2e46065c564ee75780a9f84d2e0d7ebf7795082703ff62bf7c9657c4de59b288d8c8828d2069ce542477f9bd23697b510e6b
ripemd-160 43af141871d3f987b16ce7e2d06b5cbfd6fa3441

20391566 as geometric shapes

Circle

Radius = n
Diameter 40783132
Circumference 128123987.88158
Area 1.3063243775352E+15

Sphere

Radius = n
Volume 3.5517333015892E+22
Surface area 5.225297510141E+15
Circumference 128123987.88158

Square

Length = n
Perimeter 81566264
Area 415815963932356
Diagonal 28838029.195226

Cube

Length = n
Surface area 2494895783594136
Volume 8.4791386723803E+21
Space diagonal 35319228.357894

Equilateral Triangle

Length = n
Perimeter 61174698
Area 1.8005359403227E+14
Altitude 17659614.178947

Triangular Pyramid

Length = n
Surface area 1.8005359403227E+14
Volume 9.9927607564353E+20
Height 9612676.3984087