20681784 (number)

20681784 is an even 8-digits composite number following 20681783 and preceding 20681785. In scientific notation, it is written as 2.0681784 × 10^7. The sum of its digits is 36. It has a total of 6 prime factors and 32 positive divisors. There are 6557760 positive integers (up to 20681784) that are relatively prime to 20681784.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0681784 × 10^7
Engineering notation 2.0681784 × 10^6

Prime Factorization of 20681784

Prime Factorization 2 × 2 × 2 × 621 × 23 × 181

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5170446
Product of the distinct prime numbers

The prime factorization of 20681784 is 2 × 2 × 2 × 621 × 23 × 181. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20681784)

Multiplication

n×y
n×2 41363568
n×3 62045352
n×4 82727136
n×5 103408920

Division

n÷y
n÷2 10340892
n÷3 6893928
n÷3 5170446
n÷5 4136356.8

Exponentiation

ny
n2 427736189422656
n3 8.8463474786225E+21
n4 1.8295824774181E+29
n5 3.7839029608147E+36

Nth Root

y√n
2√n 4547.7229467064
3√n 274.49177317158
4√n 67.436807061918
5√n 29.048091212305

Divisors of 20681784

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20681783
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20681784 can be divided by 32 positive divisors. The sum of these divisors (counting 20681784) is 1, the average is 0.03125.

Base conversion 20681784

Base System Value
2 Binary 1001110111001010000111000
3 Ternary 1102220202002000
4 Quaternary 1032321100320
5 Quinary 20243304114
6 Senary 2015141000
8 Octal 116712070
10 Decimal 20681784
12 Duodecimal 6b14760
16 Hexadecimal 13b9438
20 Vigesimal 695494
36 Base36 cba60

Cryptographic Hash Functions

md5 7fd72dab794815edf01ef4269c95bb7f
sha1 eff82a569f669b930e9939c808efda39a461d69b
sha256 d78964e07c4210ac270952920755e344b7cf6ffc78e397e58b1387a5a3064181
sha512 1e5f8c494e438ed8526fc5719a38c99bfa8d86566fa5bbe508b41f8032f8357948c81458b4a50644586ca379b9907f5a5303f1c5e7693886a6c3aebe17cdfbaf
ripemd-160 d06bda80a46dd97b3c725ec048203401ba55ae2b

20681784 as geometric shapes

Circle

Radius = n
Diameter 41363568
Circumference 129947481.35506
Area 1.3437728703647E+15

Sphere

Radius = n
Volume 3.7055493666591E+22
Surface area 5.3750914814588E+15
Circumference 129947481.35506

Square

Length = n
Perimeter 82727136
Area 427736189422656
Diagonal 29248459.426871

Cube

Length = n
Surface area 2566417136535936
Volume 8.8463474786225E+21
Space diagonal 35821900.679165

Equilateral Triangle

Length = n
Perimeter 62045352
Area 1.8521520307899E+14
Altitude 17910950.339583

Triangular Pyramid

Length = n
Surface area 1.8521520307899E+14
Volume 1.0425520484777E+21
Height 9749486.4756236