20691749 (number)

20691749 is an odd 8-digits composite number following 20691748 and preceding 20691750. In scientific notation, it is written as 2.0691749 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 18524160 positive integers (up to 20691749) that are relatively prime to 20691749.

Interesting facts

Basic properties

Name

Name twenty million six hundred ninety-one thousand seven hundred forty-nine

Notation

Scientific notation 2.0691749 × 10^7
Engineering notation 2.0691749 × 10^6

Prime Factorization of 20691749

Prime Factorization 61 × 97 × 13 × 269

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20691749
Product of the distinct prime numbers

The prime factorization of 20691749 is 61 × 97 × 13 × 269. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20691749)

Multiplication

n×y
n×2 41383498
n×3 62075247
n×4 82766996
n×5 103458745

Division

n÷y
n÷2 10345874.5
n÷3 6897249.6666667
n÷3 5172937.25
n÷5 4138349.8

Exponentiation

ny
n2 428148476679001
n3 8.8591408141742E+21
n4 1.8331111808255E+29
n5 3.7930276442735E+36

Nth Root

y√n
2√n 4548.818418007
3√n 274.53585175661
4√n 67.44492877902
5√n 29.050889892115

Divisors of 20691749

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 -20691748
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 20691749 can be divided by 16 positive divisors. The sum of these divisors (counting 20691749) is 1, the average is 0.0625.

Base conversion 20691749

Base System Value
2 Binary 1001110111011101100100101
3 Ternary 1102221020202002
4 Quaternary 1032323230211
5 Quinary 20244113444
6 Senary 2015255045
8 Octal 116735445
10 Decimal 20691749
12 Duodecimal 6b1a485
16 Hexadecimal 13bbb25
20 Vigesimal 696979
36 Base36 cbhut

Cryptographic Hash Functions

md5 2e3e3ef5c4ccbdd7a0061b9ccfc4c6f4
sha1 cbaaff457f3347c7c1719c845c326d876490abf8
sha256 8005d4f3053c6b42efbba3b9f6f995d0c10699c6dc4f207b7df1afa042275c42
sha512 5f04d15bfa4e5e84b7b27774e351961e8f05a20da1308b9633a811d78caf1b9f502aa8d3624c12b6f3d7d1801beb428befc8eacd2e04ff847a2d734afaa18e97
ripemd-160 9c8a1eae51f0844cbeb9b8d5bce681d8ae0dfb6f

20691749 as geometric shapes

Circle

Radius = n
Diameter 41383498
Circumference 130010093.29665
Area 1.3450681089804E+15

Sphere

Radius = n
Volume 3.7109082265236E+22
Surface area 5.3802724359216E+15
Circumference 130010093.29665

Square

Length = n
Perimeter 82766996
Area 428148476679001
Diagonal 29262552.06502

Cube

Length = n
Surface area 2568890860074006
Volume 8.8591408141742E+21
Space diagonal 35839160.565463

Equilateral Triangle

Length = n
Perimeter 62075247
Area 1.8539372869781E+14
Altitude 17919580.282731

Triangular Pyramid

Length = n
Surface area 1.8539372869781E+14
Volume 1.0440597575315E+21
Height 9754184.0216733