20685946 (number)

20685946 is an even 8-digits composite number following 20685945 and preceding 20685947. In scientific notation, it is written as 2.0685946 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 9798588 positive integers (up to 20685946) that are relatively prime to 20685946.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-five thousand nine hundred forty-six

Notation

Scientific notation 2.0685946 × 10^7
Engineering notation 2.0685946 × 10^6

Prime Factorization of 20685946

Prime Factorization 2 × 19 × 544367

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20685946
Product of the distinct prime numbers

The prime factorization of 20685946 is 2 × 19 × 544367. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20685946)

Multiplication

n×y
n×2 41371892
n×3 62057838
n×4 82743784
n×5 103429730

Division

n÷y
n÷2 10342973
n÷3 6895315.3333333
n÷3 5171486.5
n÷5 4137189.2

Exponentiation

ny
n2 427908361914916
n3 8.8516892675204E+21
n4 1.8310556619671E+29
n5 3.7877118546445E+36

Nth Root

y√n
2√n 4548.180515327
3√n 274.51018483494
4√n 67.440199549875
5√n 29.04926024516

Divisors of 20685946

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 -20685945
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 20685946 can be divided by 8 positive divisors. The sum of these divisors (counting 20685946) is 1, the average is 0.125.

Base conversion 20685946

Base System Value
2 Binary 1001110111010010001111010
3 Ternary 1102220221210011
4 Quaternary 1032322101322
5 Quinary 20243422241
6 Senary 2015212134
8 Octal 116722172
10 Decimal 20685946
12 Duodecimal 6b1704a
16 Hexadecimal 13ba47a
20 Vigesimal 695eh6
36 Base36 cbddm

Cryptographic Hash Functions

md5 ea44a0aed0251b98a65b4edcd4269cdb
sha1 bd778b668ed5510c6b384d32242cb99d3b941d90
sha256 e1cc03c6a2f240af2bbda2f0831d26ba7a880fd5d7a866e7c8e3c25812391774
sha512 9c32132fd77a6a6bdf9adf889d11a7493796a8bb20d43eb4e1f768430b8889be0fb878fdfc032a489859032c367084687712ac847efb07ad54bdbaec69494b0c
ripemd-160 22298831316bb665e5481617bf6b86589fa1afdf

20685946 as geometric shapes

Circle

Radius = n
Diameter 41371892
Circumference 129973631.97231
Area 1.3443137662015E+15

Sphere

Radius = n
Volume 3.7077869299602E+22
Surface area 5.3772550648062E+15
Circumference 129973631.97231

Square

Length = n
Perimeter 82743784
Area 427908361914916
Diagonal 29254345.383717

Cube

Length = n
Surface area 2567450171489496
Volume 8.8516892675204E+21
Space diagonal 35829109.474626

Equilateral Triangle

Length = n
Perimeter 62057838
Area 1.8528975595505E+14
Altitude 17914554.737313

Triangular Pyramid

Length = n
Surface area 1.8528975595505E+14
Volume 1.0431815843366E+21
Height 9751448.4612392