20731689 (number)

20731689 is an odd 8-digits composite number following 20731688 and preceding 20731690. In scientific notation, it is written as 2.0731689 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 12489120 positive integers (up to 20731689) that are relatively prime to 20731689.

Interesting facts

Basic properties

Name

Name twenty million seven hundred thirty-one thousand six hundred eighty-nine

Notation

Scientific notation 2.0731689 × 10^7
Engineering notation 2.0731689 × 10^6

Prime Factorization of 20731689

Prime Factorization 9 × 11 × 197 × 1063

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20731689
Product of the distinct prime numbers

The prime factorization of 20731689 is 9 × 11 × 197 × 1063. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 2, 51, 76, 57, 432, 1347, 2748, 53255, 7269, 904739, 718905, 9704528, 7198467, 50055763, 35262699, 973164680, 710516383, 4527923098, 1025834983

Basic calculations (n = 20731689)

Multiplication

n×y
n×2 41463378
n×3 62195067
n×4 82926756
n×5 103658445

Division

n÷y
n÷2 10365844.5
n÷3 6910563
n÷3 5182922.25
n÷5 4146337.8

Exponentiation

ny
n2 429802928792721
n3 8.9105406510198E+21
n4 1.847305575988E+29
n5 3.8297764689349E+36

Nth Root

y√n
2√n 4553.2064526002
3√n 274.71237806957
4√n 67.477451438241
5√n 29.062096269325

Divisors of 20731689

1, 9, 11, 99, 197, 1063, 1773, 2167, 9567, 11693, 19503, 105237, 209411, 1884699, 2303521, 20731689

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 -20731688
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 20731689 can be divided by 16 positive divisors. The sum of these divisors (counting 20731689) is 1, the average is 0.0625.

Base conversion 20731689

Base System Value
2 Binary 1001111000101011100101001
3 Ternary 1110000021112100
4 Quaternary 1033011130221
5 Quinary 20301403224
6 Senary 2020204013
8 Octal 117053451
10 Decimal 20731689
12 Duodecimal 6b39609
16 Hexadecimal 13c5729
20 Vigesimal 69b949
36 Base36 ccco9

Cryptographic Hash Functions

md5 0589c9ae2c1cfcc177e32f84215c963b
sha1 2dc6ef8efea4e6b74c56e7b7e68b96440186c1c8
sha256 9e87f8879c6f802224fd3755aeee3e5b4227ceedf2e3bdb318487302e3a547aa
sha512 78028d861593adf674f419b7b290cfe233d8f05026b2e0a52d044d9baf65868975026a77e5b114a9ffafa7e460c190e8aaf35b9d3b5478cf8e44864960275b5b
ripemd-160 6ff29c0178145451ec06d7dcd72733c6bc8a075e

20731689 as geometric shapes

Circle

Radius = n
Diameter 41463378
Circumference 130261043.71782
Area 1.3502657235866E+15

Sphere

Radius = n
Volume 3.7324385398343E+22
Surface area 5.4010628943464E+15
Circumference 130261043.71782

Square

Length = n
Perimeter 82926756
Area 429802928792721
Diagonal 29319035.754701

Cube

Length = n
Surface area 2578817572756326
Volume 8.9105406510198E+21
Space diagonal 35908338.674717

Equilateral Triangle

Length = n
Perimeter 62195067
Area 1.8611012747773E+14
Altitude 17954169.337358

Triangular Pyramid

Length = n
Surface area 1.8611012747773E+14
Volume 1.0501172863958E+21
Height 9773011.9182337