20739905 (number)

20739905 is an odd 8-digits composite number following 20739904 and preceding 20739906. In scientific notation, it is written as 2.0739905 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 15870448 positive integers (up to 20739905) that are relatively prime to 20739905.

Interesting facts

Basic properties

Name

Name twenty million seven hundred thirty-nine thousand nine hundred five

Notation

Scientific notation 2.0739905 × 10^7
Engineering notation 2.0739905 × 10^6

Prime Factorization of 20739905

Prime Factorization 5 × 23 × 180347

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20739905
Product of the distinct prime numbers

The prime factorization of 20739905 is 5 × 23 × 180347. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20739905)

Multiplication

n×y
n×2 41479810
n×3 62219715
n×4 82959620
n×5 103699525

Division

n÷y
n÷2 10369952.5
n÷3 6913301.6666667
n÷3 5184976.25
n÷5 4147981

Exponentiation

ny
n2 430143659409025
n3 8.9211386324955E+21
n4 1.8502356772979E+29
n5 3.8373712174769E+36

Nth Root

y√n
2√n 4554.1085845641
3√n 274.74866292169
4√n 67.484135799194
5√n 29.064399374888

Divisors of 20739905

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 -20739904
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 20739905 can be divided by 8 positive divisors. The sum of these divisors (counting 20739905) is 1, the average is 0.125.

Base conversion 20739905

Base System Value
2 Binary 1001111000111011101000001
3 Ternary 1110000200210122
4 Quaternary 1033013131001
5 Quinary 20302134110
6 Senary 2020310025
8 Octal 117073501
10 Decimal 20739905
12 Duodecimal 6b42315
16 Hexadecimal 13c7741
20 Vigesimal 69c9f5
36 Base36 ccj0h

Cryptographic Hash Functions

md5 da274dfd2582ea6a4e3aad06d419dc2b
sha1 d8ae7bd8d3e2f4bb45470ce372464358fb7acb9e
sha256 758dda2d1d25bdbd2370d2cd835f1c5e282173c8d0b355c81495cc59de098232
sha512 e52612e4892a4d5909246e65e8646f463bed34064d23b25e7f5a80e50b7d2b5ec1049ac559a6c1cc0d0ed4531fe6cc2f6f00de57e020bf5a9485a23ef3c7e5d6
ripemd-160 cdf615f2d95c3df1c1a0cc5f4e194844fc7e6c32

20739905 as geometric shapes

Circle

Radius = n
Diameter 41479810
Circumference 130312666.3683
Area 1.3513361603876E+15

Sphere

Radius = n
Volume 3.7368778119339E+22
Surface area 5.4053446415505E+15
Circumference 130312666.3683

Square

Length = n
Perimeter 82959620
Area 430143659409025
Diagonal 29330654.93333

Cube

Length = n
Surface area 2580861956454150
Volume 8.9211386324955E+21
Space diagonal 35922569.204152

Equilateral Triangle

Length = n
Perimeter 62219715
Area 1.8625766816251E+14
Altitude 17961284.602076

Triangular Pyramid

Length = n
Surface area 1.8625766816251E+14
Volume 1.0513662704905E+21
Height 9776884.9777765