20681768 (number)

20681768 is an even 8-digits composite number following 20681767 and preceding 20681769. In scientific notation, it is written as 2.0681768 × 10^7. The sum of its digits is 38. It has a total of 5 prime factors and 16 positive divisors. There are 10326528 positive integers (up to 20681768) that are relatively prime to 20681768.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-one thousand seven hundred sixty-eight

Notation

Scientific notation 2.0681768 × 10^7
Engineering notation 2.0681768 × 10^6

Prime Factorization of 20681768

Prime Factorization 2 × 2 × 2 × 997 × 2593

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5170442
Product of the distinct prime numbers

The prime factorization of 20681768 is 2 × 2 × 2 × 997 × 2593. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 4, 21, 75, 481, 303, 296, 500, 86597, 16396, 6829, 175506, 9645462, 6231611, 51268845, 30756522, 893843683, 105682792, 8524219137, 9562442519

Basic calculations (n = 20681768)

Multiplication

n×y
n×2 41363536
n×3 62045304
n×4 82727072
n×5 103408840

Division

n÷y
n÷2 10340884
n÷3 6893922.6666667
n÷3 5170442
n÷5 4136353.6

Exponentiation

ny
n2 427735527605824
n3 8.8463269473012E+21
n4 1.8295768157623E+29
n5 3.7838883241775E+36

Nth Root

y√n
2√n 4547.721187584
3√n 274.49170238675
4√n 67.43679401917
5√n 29.048086717822

Divisors of 20681768

1, 2, 4, 8, 997, 1994, 2593, 3988, 5186, 7976, 10372, 20744, 2585221, 5170442, 10340884, 20681768

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20681767
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20681768 can be divided by 16 positive divisors. The sum of these divisors (counting 20681768) is 1, the average is 0.0625.

Base conversion 20681768

Base System Value
2 Binary 1001110111001010000101000
3 Ternary 1102220202001102
4 Quaternary 1032321100220
5 Quinary 20243304033
6 Senary 2015140532
8 Octal 116712050
10 Decimal 20681768
12 Duodecimal 6b14748
16 Hexadecimal 13b9428
20 Vigesimal 695488
36 Base36 cba5k

Cryptographic Hash Functions

md5 065e335ad3a8ad4a07b86596248c2f18
sha1 8f9e0a531d65125a05049ad903fbed228d8a49d9
sha256 83152e0b26576e545291082e44e54f156ddf2dd7fb5cc5a252af19fbd631cd95
sha512 e02b76074bedeb99638d4d7e2f080c51620d50f8e498a2bb4cad8bba102ad738905ce45b01f1ecf1ccfb755dfb982fc4cac63c0d05084bd7e235752268df80b4
ripemd-160 c15bed15521db58a6bcfec5e3db27cb2db28244c

20681768 as geometric shapes

Circle

Radius = n
Diameter 41363536
Circumference 129947380.8241
Area 1.3437707912058E+15

Sphere

Radius = n
Volume 3.7055407665193E+22
Surface area 5.3750831648232E+15
Circumference 129947380.8241

Square

Length = n
Perimeter 82727072
Area 427735527605824
Diagonal 29248436.799454

Cube

Length = n
Surface area 2566413165634944
Volume 8.8463269473012E+21
Space diagonal 35821872.966352

Equilateral Triangle

Length = n
Perimeter 62045304
Area 1.8521491650389E+14
Altitude 17910936.483176

Triangular Pyramid

Length = n
Surface area 1.8521491650389E+14
Volume 1.0425496288383E+21
Height 9749478.9331513