20687679 (number)

20687679 is an odd 8-digits composite number following 20687678 and preceding 20687680. In scientific notation, it is written as 2.0687679 × 10^7. The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors. There are 13791780 positive integers (up to 20687679) that are relatively prime to 20687679.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0687679 × 10^7
Engineering notation 2.0687679 × 10^6

Prime Factorization of 20687679

Prime Factorization 9 × 2298631

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20687679
Product of the distinct prime numbers

The prime factorization of 20687679 is 9 × 2298631. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 10, 62, 52, 334, 991, 6646, 1224, 68705, 55080, 716633, 593182, 3422203, 876397, 50480069, 68838325, 937353307, 168848671, 791436048, 430565491

Basic calculations (n = 20687679)

Multiplication

n×y
n×2 41375358
n×3 62063037
n×4 82750716
n×5 103438395

Division

n÷y
n÷2 10343839.5
n÷3 6895893
n÷3 5171919.75
n÷5 4137535.8

Exponentiation

ny
n2 427980062407041
n3 8.8539141494768E+21
n4 1.8316693381793E+29
n5 3.7892987302397E+36

Nth Root

y√n
2√n 4548.3710270821
3√n 274.51785047205
4√n 67.441611984606
5√n 29.049746959

Divisors of 20687679

1, 9, 2298631, 20687679

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 -20687678
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 20687679 can be divided by 4 positive divisors. The sum of these divisors (counting 20687679) is 1, the average is 0.25.

Base conversion 20687679

Base System Value
2 Binary 1001110111010101100111111
3 Ternary 1102221001011100
4 Quaternary 1032322230333
5 Quinary 20244001204
6 Senary 2015224143
8 Octal 116725477
10 Decimal 20687679
12 Duodecimal 6b18053
16 Hexadecimal 13bab3f
20 Vigesimal 695j3j
36 Base36 cbepr

Cryptographic Hash Functions

md5 e2add4b28d09524984d541fda6e208cb
sha1 7ea5e7810bea1a93eb1c8a5f59b9222f0705d4ab
sha256 cec7b9b37179d378bb82283baf29c82ff1e5ffdf35277c2bdcc788b07ef88018
sha512 4ad5004e4362d421a8269b7b8763acfc4c7a4ebacde25e130709a8710c0df28c8d9bb43a8dcda2748ce88284fff6c81991447f90414d2e47633ba2540954fd88
ripemd-160 dc935f1a7aacca997611f1782b995c64c23c51b1

20687679 as geometric shapes

Circle

Radius = n
Diameter 41375358
Circumference 129984520.73245
Area 1.3445390199409E+15

Sphere

Radius = n
Volume 3.7087188863348E+22
Surface area 5.3781560797634E+15
Circumference 129984520.73245

Square

Length = n
Perimeter 82750716
Area 427980062407041
Diagonal 29256796.215821

Cube

Length = n
Surface area 2567880374442246
Volume 8.8539141494768E+21
Space diagonal 35832111.118676

Equilateral Triangle

Length = n
Perimeter 62063037
Area 1.8532080317887E+14
Altitude 17916055.559338

Triangular Pyramid

Length = n
Surface area 1.8532080317887E+14
Volume 1.0434437891898E+21
Height 9752265.4052737