20685090 (number)

20685090 is an even 8-digits composite number following 20685089 and preceding 20685091. In scientific notation, it is written as 2.0685090 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 5191424 positive integers (up to 20685090) that are relatively prime to 20685090.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-five thousand ninety

Notation

Scientific notation 2.0685090 × 10^7
Engineering notation 2.0685090 × 10^6

Prime Factorization of 20685090

Prime Factorization 2 × 51 × 5 × 40559

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20685090
Product of the distinct prime numbers

The prime factorization of 20685090 is 2 × 51 × 5 × 40559. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 10, 17, 54, 635, 11, 8945, 561, 93087, 64093, 450672, 532638, 6676187, 2678087, 52564939, 86027402, 489467457, 773145578, 3333157803, 8949433014

Basic calculations (n = 20685090)

Multiplication

n×y
n×2 41370180
n×3 62055270
n×4 82740360
n×5 103425450

Division

n÷y
n÷2 10342545
n÷3 6895030
n÷3 5171272.5
n÷5 4137018

Exponentiation

ny
n2 427872948308100
n3 8.8505904443184E+21
n4 1.8307525989387E+29
n5 3.786928227678E+36

Nth Root

y√n
2√n 4548.0864107886
3√n 274.50639830342
4√n 67.439501857506
5√n 29.049019825134

Divisors of 20685090

1, 2, 5, 10, 51, 102, 255, 510, 40559, 81118, 202795, 405590, 2068509, 4137018, 10342545, 20685090

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 -20685089
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 20685090 can be divided by 16 positive divisors. The sum of these divisors (counting 20685090) is 1, the average is 0.0625.

Base conversion 20685090

Base System Value
2 Binary 1001110111010000100100010
3 Ternary 1102220220121110
4 Quaternary 1032322010202
5 Quinary 20243410330
6 Senary 2015204150
8 Octal 116720442
10 Decimal 20685090
12 Duodecimal 6b16656
16 Hexadecimal 13ba122
20 Vigesimal 695cea
36 Base36 cbcpu

Cryptographic Hash Functions

md5 e78fd0f2822f8f39e308da5f13210fdf
sha1 ce741e851bf3cfa3902fa34503928e6e7f20697d
sha256 6e8bbe093588de6f136a49b2fb25569af4a02759b8119b7d5bc16ee0f99db282
sha512 117d66e9710fc6cf2b4753cd4da8075e2d2c369d671c45ecfbcf4579543375c4f74f80d1e5b4c34286ae6e8d91ab2d1402b195914e4f14706ac2576ecf9341a2
ripemd-160 b267f62d20c1934bad1b4eb50ce44511f3edc73b

20685090 as geometric shapes

Circle

Radius = n
Diameter 41370180
Circumference 129968253.56569
Area 1.3442025110745E+15

Sphere

Radius = n
Volume 3.7073266559737E+22
Surface area 5.3768100442981E+15
Circumference 129968253.56569

Square

Length = n
Perimeter 82740360
Area 427872948308100
Diagonal 29253134.816908

Cube

Length = n
Surface area 2567237689848600
Volume 8.8505904443184E+21
Space diagonal 35827626.839135

Equilateral Triangle

Length = n
Perimeter 62055270
Area 1.8527442141348E+14
Altitude 17913813.419567

Triangular Pyramid

Length = n
Surface area 1.8527442141348E+14
Volume 1.0430520867804E+21
Height 9751044.9389694