20687746 (number)

20687746 is an even 8-digits composite number following 20687745 and preceding 20687747. In scientific notation, it is written as 2.0687746 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 10285908 positive integers (up to 20687746) that are relatively prime to 20687746.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0687746 × 10^7
Engineering notation 2.0687746 × 10^6

Prime Factorization of 20687746

Prime Factorization 2 × 179 × 57787

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20687746
Product of the distinct prime numbers

The prime factorization of 20687746 is 2 × 179 × 57787. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20687746)

Multiplication

n×y
n×2 41375492
n×3 62063238
n×4 82750984
n×5 103438730

Division

n÷y
n÷2 10343873
n÷3 6895915.3333333
n÷3 5171936.5
n÷5 4137549.2

Exponentiation

ny
n2 427982834560516
n3 8.854000173748E+21
n4 1.8316930667845E+29
n5 3.78936009156E+36

Nth Root

y√n
2√n 4548.3783923504
3√n 274.51814682681
4√n 67.44166658936
5√n 29.049765775326

Divisors of 20687746

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 -20687745
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 20687746 can be divided by 8 positive divisors. The sum of these divisors (counting 20687746) is 1, the average is 0.125.

Base conversion 20687746

Base System Value
2 Binary 1001110111010101110000010
3 Ternary 1102221001020211
4 Quaternary 1032322232002
5 Quinary 20244001441
6 Senary 2015224334
8 Octal 116725602
10 Decimal 20687746
12 Duodecimal 6b180aa
16 Hexadecimal 13bab82
20 Vigesimal 695j76
36 Base36 cberm

Cryptographic Hash Functions

md5 9fd5ec3244e59d7999a32d55f6adb0b0
sha1 37f49051dfd9db2e7fafbab6936ae8eba92e924e
sha256 98cd9fa511869b5e0208169acf433c2c7f0ffa133d72f1277e8ca8b57c2321a0
sha512 bf4f879cfb9eb6bd84a83c7154ead3fd6fae6e7d21b7189d30b1bce21a4c85e7f9d68ded5c83a5761a6c296af03eaeaf0b6b98263eaad2459b55ca81fd2643aa
ripemd-160 b103e86f9bf1d31f509a8fee435042cd3a79787f

20687746 as geometric shapes

Circle

Radius = n
Diameter 41375492
Circumference 129984941.70586
Area 1.3445477289179E+15

Sphere

Radius = n
Volume 3.7087549200973E+22
Surface area 5.3781909156714E+15
Circumference 129984941.70586

Square

Length = n
Perimeter 82750984
Area 427982834560516
Diagonal 29256890.96813

Cube

Length = n
Surface area 2567897007363096
Volume 8.854000173748E+21
Space diagonal 35832227.16608

Equilateral Triangle

Length = n
Perimeter 62063238
Area 1.8532200355654E+14
Altitude 17916113.58304

Triangular Pyramid

Length = n
Surface area 1.8532200355654E+14
Volume 1.0434539272473E+21
Height 9752296.9893766