20191689 (number)

20191689 is an odd 8-digits composite number following 20191688 and preceding 20191690. In scientific notation, it is written as 2.0191689 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 11389248 positive integers (up to 20191689) that are relatively prime to 20191689.

Interesting facts

Basic properties

Name

Name twenty million one hundred ninety-one thousand six hundred eighty-nine

Notation

Scientific notation 2.0191689 × 10^7
Engineering notation 2.0191689 × 10^6

Prime Factorization of 20191689

Prime Factorization 9 × 7 × 79 × 4057

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20191689
Product of the distinct prime numbers

The prime factorization of 20191689 is 9 × 7 × 79 × 4057. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20191689)

Multiplication

n×y
n×2 40383378
n×3 60575067
n×4 80766756
n×5 100958445

Division

n÷y
n÷2 10095844.5
n÷3 6730563
n÷3 5047922.25
n÷5 4038337.8

Exponentiation

ny
n2 407704304672721
n3 8.2322385239128E+21
n4 1.6622280004867E+29
n5 3.3563190832919E+36

Nth Root

y√n
2√n 4493.5163291124
3√n 272.30621241618
4√n 67.033695475577
5√n 28.909097223739

Divisors of 20191689

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 -20191688
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 20191689 can be divided by 16 positive divisors. The sum of these divisors (counting 20191689) is 1, the average is 0.0625.

Base conversion 20191689

Base System Value
2 Binary 1001101000001100111001001
3 Ternary 1101222211210100
4 Quaternary 1031001213021
5 Quinary 20132113224
6 Senary 2000440013
8 Octal 115014711
10 Decimal 20191689
12 Duodecimal 6919009
16 Hexadecimal 13419c9
20 Vigesimal 663j49
36 Base36 c0s09

Cryptographic Hash Functions

md5 1e8a6aad8561472c1016a87cc2475b69
sha1 0838e9df7589ab878c7b7febe61d8fcec3bc7de9
sha256 a1fdf33e6f8111587a24d693e5a039e519881b73af7e07d0fa3ceff437da3279
sha512 efbe0b34869295be2112501ba1f6cd5be36857fff6bedb09cb9009e14c95bd408ce5b97c396e88ca4a5c1e0769c0b16e86776e433426d5587527b939484d83b7
ripemd-160 1338b6ab1ef52a0ac05be0afcccdd1b7ac8d809a

20191689 as geometric shapes

Circle

Radius = n
Diameter 40383378
Circumference 126868123.65194
Area 1.2808408483968E+15

Sphere

Radius = n
Volume 3.4483120092431E+22
Surface area 5.123363393587E+15
Circumference 126868123.65194

Square

Length = n
Perimeter 80766756
Area 407704304672721
Diagonal 28555360.43102

Cube

Length = n
Surface area 2446225828036326
Volume 8.2322385239128E+21
Space diagonal 34973031.23863

Equilateral Triangle

Length = n
Perimeter 60575067
Area 1.7654114253942E+14
Altitude 17486515.619315

Triangular Pyramid

Length = n
Surface area 1.7654114253942E+14
Volume 9.7017861410065E+20
Height 9518453.4770065