20685844 (number)

20685844 is an even 8-digits composite number following 20685843 and preceding 20685845. In scientific notation, it is written as 2.0685844 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 6 positive divisors. There are 10342920 positive integers (up to 20685844) that are relatively prime to 20685844.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-five thousand eight hundred forty-four

Notation

Scientific notation 2.0685844 × 10^7
Engineering notation 2.0685844 × 10^6

Prime Factorization of 20685844

Prime Factorization 2 × 2 × 5171461

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 10342922
Product of the distinct prime numbers

The prime factorization of 20685844 is 2 × 2 × 5171461. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20685844)

Multiplication

n×y
n×2 41371688
n×3 62057532
n×4 82743376
n×5 103429220

Division

n÷y
n÷2 10342922
n÷3 6895281.3333333
n÷3 5171461
n÷5 4137168.8

Exponentiation

ny
n2 427904141992336
n3 8.8515583282073E+21
n4 1.831019547342E+29
n5 3.7876184717267E+36

Nth Root

y√n
2√n 4548.1693020379
3√n 274.50973364157
4√n 67.440116414771
5√n 29.049231597397

Divisors of 20685844

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20685843
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20685844 can be divided by 6 positive divisors. The sum of these divisors (counting 20685844) is 1, the average is 0.16666666666667.

Base conversion 20685844

Base System Value
2 Binary 1001110111010010000010100
3 Ternary 1102220221122101
4 Quaternary 1032322100110
5 Quinary 20243421334
6 Senary 2015211444
8 Octal 116722024
10 Decimal 20685844
12 Duodecimal 6b16b84
16 Hexadecimal 13ba414
20 Vigesimal 695ec4
36 Base36 cbdas

Cryptographic Hash Functions

md5 ef12f1c12e1e21b59714e1f5c004a2f2
sha1 5a5ef6cbe07668d0a0eabbfed57acd54ab8f24f6
sha256 c7a30e69ba2dfd8514e4f0a425555b89f752af136041bd0086c50a5f4e27d5bf
sha512 69a92f2411d5b40c126631791c20f81013b24c5463610a6eca4422b8dad0b19e2502652c91efc7809392dce31930112d0033abf45a85730637b6d5cf0f47e739
ripemd-160 b40d7d0229ec976302323aeb34ecb8400d8d0146

20685844 as geometric shapes

Circle

Radius = n
Diameter 41371688
Circumference 129972991.08741
Area 1.3443005089238E+15

Sphere

Radius = n
Volume 3.707732082229E+22
Surface area 5.3772020356951E+15
Circumference 129972991.08741

Square

Length = n
Perimeter 82743376
Area 427904141992336
Diagonal 29254201.133934

Cube

Length = n
Surface area 2567424851954016
Volume 8.8515583282073E+21
Space diagonal 35828932.805444

Equilateral Triangle

Length = n
Perimeter 62057532
Area 1.8528792867497E+14
Altitude 17914466.402722

Triangular Pyramid

Length = n
Surface area 1.8528792867497E+14
Volume 1.0431661529906E+21
Height 9751400.377978