20731889 (number)

20731889 is an odd 8-digits composite number following 20731888 and preceding 20731890. In scientific notation, it is written as 2.0731889 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 20717424 positive integers (up to 20731889) that are relatively prime to 20731889.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0731889 × 10^7
Engineering notation 2.0731889 × 10^6

Prime Factorization of 20731889

Prime Factorization 1613 × 12853

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20731889
Product of the distinct prime numbers

The prime factorization of 20731889 is 1613 × 12853. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 7, 64, 48, 96, 245, 1087, 9565, 70418, 70909, 638399, 255273, 8237310, 5540196, 91727422, 66550494, 25755044, 467723722, 427949416, 3804779943

Basic calculations (n = 20731889)

Multiplication

n×y
n×2 41463778
n×3 62195667
n×4 82927556
n×5 103659445

Division

n÷y
n÷2 10365944.5
n÷3 6910629.6666667
n÷3 5182972.25
n÷5 4146377.8

Exponentiation

ny
n2 429811221508321
n3 8.9107985352649E+21
n4 1.8473768613447E+29
n5 3.8299612030568E+36

Nth Root

y√n
2√n 4553.2284150919
3√n 274.71326145634
4√n 67.477614177532
5√n 29.062152341908

Divisors of 20731889

1, 1613, 12853, 20731889

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 -20731888
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 20731889 can be divided by 4 positive divisors. The sum of these divisors (counting 20731889) is 1, the average is 0.25.

Base conversion 20731889

Base System Value
2 Binary 1001111000101011111110001
3 Ternary 1110000021210202
4 Quaternary 1033011133301
5 Quinary 20301410024
6 Senary 2020204545
8 Octal 117053761
10 Decimal 20731889
12 Duodecimal 6b39755
16 Hexadecimal 13c57f1
20 Vigesimal 69b9e9
36 Base36 ccctt

Cryptographic Hash Functions

md5 3f110080837f23860c782f2c60b35206
sha1 a2f871f19757b9cd6e4e60c800a8846d8fa1d1da
sha256 b0956da93078553ca4499621d2f759b915254b77c218646cb8c3c53c710785c1
sha512 dcbe15b9208533067f7d7c753b450270c541e5be65b78f760e814e63a6e993b429f19f3cc8276e31f6b0d58aae5885f9b0457f7b94801cbfbf13af44f2f8d541
ripemd-160 95fe9a1504f560049781897829e008f4f33e1dcc

20731889 as geometric shapes

Circle

Radius = n
Diameter 41463778
Circumference 130262300.35488
Area 1.350291775921E+15

Sphere

Radius = n
Volume 3.7325465621343E+22
Surface area 5.401167103684E+15
Circumference 130262300.35488

Square

Length = n
Perimeter 82927556
Area 429811221508321
Diagonal 29319318.597414

Cube

Length = n
Surface area 2578867329049926
Volume 8.9107985352649E+21
Space diagonal 35908685.084878

Equilateral Triangle

Length = n
Perimeter 62195667
Area 1.8611371832891E+14
Altitude 17954342.542439

Triangular Pyramid

Length = n
Surface area 1.8611371832891E+14
Volume 1.0501476783455E+21
Height 9773106.1991379