20686780 (number)

20686780 is an even 8-digits composite number following 20686779 and preceding 20686781. In scientific notation, it is written as 2.0686780 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors. There are 8274704 positive integers (up to 20686780) that are relatively prime to 20686780.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-six thousand seven hundred eighty

Notation

Scientific notation 2.0686780 × 10^7
Engineering notation 2.0686780 × 10^6

Prime Factorization of 20686780

Prime Factorization 2 × 2 × 5 × 1034339

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10343390
Product of the distinct prime numbers

The prime factorization of 20686780 is 2 × 2 × 5 × 1034339. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20686780)

Multiplication

n×y
n×2 41373560
n×3 62060340
n×4 82747120
n×5 103433900

Division

n÷y
n÷2 10343390
n÷3 6895593.3333333
n÷3 5171695
n÷5 4137356

Exponentiation

ny
n2 427942866768400
n3 8.8527599374072E+21
n4 1.8313509721796E+29
n5 3.7884754664265E+36

Nth Root

y√n
2√n 4548.2721994181
3√n 274.51387394859
4√n 67.440879290073
5√n 29.049494478512

Divisors of 20686780

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20686779
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20686780 can be divided by 12 positive divisors. The sum of these divisors (counting 20686780) is 1, the average is 0.083333333333333.

Base conversion 20686780

Base System Value
2 Binary 1001110111010011110111100
3 Ternary 1102220222221001
4 Quaternary 1032322132330
5 Quinary 20243434110
6 Senary 2015220044
8 Octal 116723674
10 Decimal 20686780
12 Duodecimal 6b17624
16 Hexadecimal 13ba7bc
20 Vigesimal 695gj0
36 Base36 cbe0s

Cryptographic Hash Functions

md5 9887a9d357a7eb05106a577c0e96db3a
sha1 0e35205884fe2c84991ca1a5eace88e6313a98d9
sha256 c65f472d70dc6f38edcadef6206ca29ca7255688e8abd8a17e6feb5b7ad809e9
sha512 fdeb84fdc61d3a38901a0fafa7dc8f9c1064a12cf123229acd7c25c95f1ea10c732ae9cef2ab9595d892c9ab108af454b884306e47248a9be5db81f5e5435e54
ripemd-160 3a9902f9716cbe97635ad827b4df18c21a277692

20686780 as geometric shapes

Circle

Radius = n
Diameter 41373560
Circumference 129978872.14886
Area 1.3444221663958E+15

Sphere

Radius = n
Volume 3.7082354111137E+22
Surface area 5.377688665583E+15
Circumference 129978872.14886

Square

Length = n
Perimeter 82747120
Area 427942866768400
Diagonal 29255524.837828

Cube

Length = n
Surface area 2567657200610400
Volume 8.8527599374072E+21
Space diagonal 35830554.005

Equilateral Triangle

Length = n
Perimeter 62060340
Area 1.8530469699489E+14
Altitude 17915277.0025

Triangular Pyramid

Length = n
Surface area 1.8530469699489E+14
Volume 1.0433077639929E+21
Height 9751841.6126095