20039987 (number)

20039987 is an odd 8-digits composite number following 20039986 and preceding 20039988. In scientific notation, it is written as 2.0039987 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 18077800 positive integers (up to 20039987) that are relatively prime to 20039987.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0039987 × 10^7
Engineering notation 2.0039987 × 10^6

Prime Factorization of 20039987

Prime Factorization 11 × 131 × 13907

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20039987
Product of the distinct prime numbers

The prime factorization of 20039987 is 11 × 131 × 13907. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20039987)

Multiplication

n×y
n×2 40079974
n×3 60119961
n×4 80159948
n×5 100199935

Division

n÷y
n÷2 10019993.5
n÷3 6679995.6666667
n÷3 5009996.75
n÷5 4007997.4

Exponentiation

ny
n2 401601078960169
n3 8.0480804015478E+21
n4 1.6128342662197E+29
n5 3.2321177728198E+36

Nth Root

y√n
2√n 4476.6044051267
3√n 271.62254359291
4√n 66.907431613586
5√n 28.865526750147

Divisors of 20039987

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 -20039986
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 20039987 can be divided by 8 positive divisors. The sum of these divisors (counting 20039987) is 1, the average is 0.125.

Base conversion 20039987

Base System Value
2 Binary 1001100011100100100110011
3 Ternary 1101201010200202
4 Quaternary 1030130210303
5 Quinary 20112234422
6 Senary 1553305415
8 Octal 114344463
10 Decimal 20039987
12 Duodecimal 686526b
16 Hexadecimal 131c933
20 Vigesimal 654jj7
36 Base36 bxiyb

Cryptographic Hash Functions

md5 0645263fb4cd5ff1de4482c084ce5666
sha1 7e96fcd287a8fe8a2d736f343de300a5972d0541
sha256 cf646d2bb782d2a9b0a24bff2b6b21102d1a6fe144cd8604194f0feef2ec1352
sha512 5fface7817302b4f9feb909a115349e9114c7eda3903f48411e03ea11310a2f5ec4f35db5be37efc79adafdaa64236090ad2ebc54b4e88d49245ee861765479c
ripemd-160 9c51406fc342a797afaa1996088cad5761dc31a5

20039987 as geometric shapes

Circle

Radius = n
Diameter 40079974
Circumference 125914951.87447
Area 1.261666999335E+15

Sphere

Radius = n
Volume 3.3711720353337E+22
Surface area 5.04666799734E+15
Circumference 125914951.87447

Square

Length = n
Perimeter 80159948
Area 401601078960169
Diagonal 28340821.405181

Cube

Length = n
Surface area 2409606473761014
Volume 8.0480804015478E+21
Space diagonal 34710275.66702

Equilateral Triangle

Length = n
Perimeter 60119961
Area 1.7389836828337E+14
Altitude 17355137.83351

Triangular Pyramid

Length = n
Surface area 1.7389836828337E+14
Volume 9.4847537124483E+20
Height 9446940.4683935