20787739 (number)

20787739 is an odd 8-digits composite number following 20787738 and preceding 20787740. In scientific notation, it is written as 2.0787739 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 17727336 positive integers (up to 20787739) that are relatively prime to 20787739.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0787739 × 10^7
Engineering notation 2.0787739 × 10^6

Prime Factorization of 20787739

Prime Factorization 7 × 199 × 14923

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20787739
Product of the distinct prime numbers

The prime factorization of 20787739 is 7 × 199 × 14923. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20787739)

Multiplication

n×y
n×2 41575478
n×3 62363217
n×4 83150956
n×5 103938695

Division

n÷y
n÷2 10393869.5
n÷3 6929246.3333333
n÷3 5196934.75
n÷5 4157547.8

Exponentiation

ny
n2 432130092732121
n3 8.9830075817611E+21
n4 1.8673641704467E+29
n5 3.8818278993198E+36

Nth Root

y√n
2√n 4559.3573011994
3√n 274.95972523138
4√n 67.52301312293
5√n 29.077793704913

Divisors of 20787739

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 -20787738
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 20787739 can be divided by 8 positive divisors. The sum of these divisors (counting 20787739) is 1, the average is 0.125.

Base conversion 20787739

Base System Value
2 Binary 1001111010011001000011011
3 Ternary 1110010010102021
4 Quaternary 1033103020123
5 Quinary 20310201424
6 Senary 2021315311
8 Octal 117231033
10 Decimal 20787739
12 Duodecimal 6b65b37
16 Hexadecimal 13d321b
20 Vigesimal 69i96j
36 Base36 cdjx7

Cryptographic Hash Functions

md5 f053ecd1cd1512d3fb512691a78810be
sha1 68309806d2606e924f622f1c01e7c48db94f1fe4
sha256 5bbafbca623e756527db3253b816a6ef163813686833bf364b002c2567ac56d7
sha512 8bfed16bf8b648e2fec8d47898a8988cd59853d3c95321526d86c782620a70f363f15c17d5157c4ba9f9321d1bbeca16231eebe5ac6af429939b9ab877754e5c
ripemd-160 65f4f775c398005610ce045efbfddc9ce1193b07

20787739 as geometric shapes

Circle

Radius = n
Diameter 41575478
Circumference 130613216.25428
Area 1.3575767247223E+15

Sphere

Radius = n
Volume 3.7627934168003E+22
Surface area 5.4303068988892E+15
Circumference 130613216.25428

Square

Length = n
Perimeter 83150956
Area 432130092732121
Diagonal 29398302.424872

Cube

Length = n
Surface area 2592780556392726
Volume 8.9830075817611E+21
Space diagonal 36005420.122481

Equilateral Triangle

Length = n
Perimeter 62363217
Area 1.8711781902287E+14
Altitude 18002710.061241

Triangular Pyramid

Length = n
Surface area 1.8711781902287E+14
Volume 1.0586575960856E+21
Height 9799434.141624