20691640 (number)

20691640 is an even 8-digits composite number following 20691639 and preceding 20691641. In scientific notation, it is written as 2.0691640 × 10^7. The sum of its digits is 28. It has a total of 6 prime factors and 32 positive divisors. There are 8249472 positive integers (up to 20691640) that are relatively prime to 20691640.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0691640 × 10^7
Engineering notation 2.0691640 × 10^6

Prime Factorization of 20691640

Prime Factorization 2 × 2 × 2 × 5 × 397 × 1303

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5172910
Product of the distinct prime numbers

The prime factorization of 20691640 is 2 × 2 × 2 × 5 × 397 × 1303. Since it has a total of 6 prime factors.

Most popular turbo-numbers

8, 5, 77, 17, 894, 685, 7780, 9683, 6512, 80675, 873795, 920808, 680854, 2756862, 19907359, 62596079, 471547473, 12792588, 658923283, 4374279599

Basic calculations (n = 20691640)

Multiplication

n×y
n×2 41383280
n×3 62074920
n×4 82766560
n×5 103458200

Division

n÷y
n÷2 10345820
n÷3 6897213.3333333
n÷3 5172910
n÷5 4138328

Exponentiation

ny
n2 428143965889600
n3 8.8590008103599E+21
n4 1.8330725552767E+29
n5 3.7929277407667E+36

Nth Root

y√n
2√n 4548.8064368579
3√n 274.53536968909
4√n 67.444839957241
5√n 29.050859285194

Divisors of 20691640

1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1303, 1588, 1985, 2606, 3176, 3970, 5212, 6515, 7940, 10424, 13030, 15880, 26060, 52120, 517291, 1034582, 2069164, 2586455, 4138328, 5172910, 10345820, 20691640

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 -20691639
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 20691640 can be divided by 32 positive divisors. The sum of these divisors (counting 20691640) is 1, the average is 0.03125.

Base conversion 20691640

Base System Value
2 Binary 1001110111011101010111000
3 Ternary 1102221020121001
4 Quaternary 1032323222320
5 Quinary 20244113030
6 Senary 2015254344
8 Octal 116735270
10 Decimal 20691640
12 Duodecimal 6b1a3b4
16 Hexadecimal 13bbab8
20 Vigesimal 696920
36 Base36 cbhrs

Cryptographic Hash Functions

md5 9f6b62dc33501b5995f442137d31a2e8
sha1 dde7aea45749d2840dcd3c03ffc341c8badea0a3
sha256 4a796778282aa3f21cd3a7de71cb6e4b3c3c217939af406b42ca8c1175dc6cee
sha512 188e25ecf0ab6eced3acb9d5cba3093be47ca49430a16c1e97d16583700c8e7bba1e39b5f0b76ceba13834076838acc02b20d0ab8ae80a07495d888a1a76a3e2
ripemd-160 60cfe3656e6d8913f8b19b70d26fc58fe848a34c

20691640 as geometric shapes

Circle

Radius = n
Diameter 41383280
Circumference 130009408.42945
Area 1.3450539379176E+15

Sphere

Radius = n
Volume 3.710849581863E+22
Surface area 5.3802157516703E+15
Circumference 130009408.42945

Square

Length = n
Perimeter 82766560
Area 428143965889600
Diagonal 29262397.915742

Cube

Length = n
Surface area 2568863795337600
Volume 8.8590008103599E+21
Space diagonal 35838971.771924

Equilateral Triangle

Length = n
Perimeter 62074920
Area 1.8539177546871E+14
Altitude 17919485.885962

Triangular Pyramid

Length = n
Surface area 1.8539177546871E+14
Volume 1.0440432579238E+21
Height 9754132.6385805