20685081 (number)

20685081 is an odd 8-digits composite number following 20685080 and preceding 20685082. In scientific notation, it is written as 2.0685081 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 13767632 positive integers (up to 20685081) that are relatively prime to 20685081.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-five thousand eighty-one

Notation

Scientific notation 2.0685081 × 10^7
Engineering notation 2.0685081 × 10^6

Prime Factorization of 20685081

Prime Factorization 3 × 10559 × 653

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20685081
Product of the distinct prime numbers

The prime factorization of 20685081 is 3 × 10559 × 653. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20685081)

Multiplication

n×y
n×2 41370162
n×3 62055243
n×4 82740324
n×5 103425405

Division

n÷y
n÷2 10342540.5
n÷3 6895027
n÷3 5171270.25
n÷5 4137016.2

Exponentiation

ny
n2 427872575976561
n3 8.8505788917538E+21
n4 1.8307494127282E+29
n5 3.7869199892985E+36

Nth Root

y√n
2√n 4548.0854213614
3√n 274.5063584912
4√n 67.439494521841
5√n 29.049017297311

Divisors of 20685081

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 -20685080
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 20685081 can be divided by 8 positive divisors. The sum of these divisors (counting 20685081) is 1, the average is 0.125.

Base conversion 20685081

Base System Value
2 Binary 1001110111010000100011001
3 Ternary 1102220220121010
4 Quaternary 1032322010121
5 Quinary 20243410311
6 Senary 2015204133
8 Octal 116720431
10 Decimal 20685081
12 Duodecimal 6b16649
16 Hexadecimal 13ba119
20 Vigesimal 695ce1
36 Base36 cbcpl

Cryptographic Hash Functions

md5 f62c5b8a275c2b070fda09022b77207a
sha1 2c28c4a9e141ddfa4fcb272fca7d7d6bc3cddfc9
sha256 523e7b3309d339360f4052412af6f93a6a7bfe2c754e0a5dc89d9c508a962d1e
sha512 eb02fdee3c2b2bddf8a4f5b873639dcad1b859a6fcd01f628269e0126ee9378d66bcc92c1e4bac956dd8a1c42928dbf45ab3a1db127f160f206c90d391168536
ripemd-160 67195b0450ef1a9b23e383074a000ef4860c20ce

20685081 as geometric shapes

Circle

Radius = n
Diameter 41370162
Circumference 129968197.01702
Area 1.3442013413605E+15

Sphere

Radius = n
Volume 3.7073218168468E+22
Surface area 5.376805365442E+15
Circumference 129968197.01702

Square

Length = n
Perimeter 82740324
Area 427872575976561
Diagonal 29253122.088986

Cube

Length = n
Surface area 2567235455859366
Volume 8.8505788917538E+21
Space diagonal 35827611.250678

Equilateral Triangle

Length = n
Perimeter 62055243
Area 1.8527426018919E+14
Altitude 17913805.625339

Triangular Pyramid

Length = n
Surface area 1.8527426018919E+14
Volume 1.0430507252976E+21
Height 9751040.6963287