20686946 (number)

20686946 is an even 8-digits composite number following 20686945 and preceding 20686947. In scientific notation, it is written as 2.0686946 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 8865828 positive integers (up to 20686946) that are relatively prime to 20686946.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0686946 × 10^7
Engineering notation 2.0686946 × 10^6

Prime Factorization of 20686946

Prime Factorization 2 × 7 × 1477639

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20686946
Product of the distinct prime numbers

The prime factorization of 20686946 is 2 × 7 × 1477639. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20686946)

Multiplication

n×y
n×2 41373892
n×3 62060838
n×4 82747784
n×5 103434730

Division

n÷y
n÷2 10343473
n÷3 6895648.6666667
n÷3 5171736.5
n÷5 4137389.2

Exponentiation

ny
n2 427949734806916
n3 8.852973054665E+21
n4 1.8314097552131E+29
n5 3.7886274709967E+36

Nth Root

y√n
2√n 4548.2904480695
3√n 274.51460822077
4√n 67.441014583631
5√n 29.049541099596

Divisors of 20686946

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 -20686945
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 20686946 can be divided by 8 positive divisors. The sum of these divisors (counting 20686946) is 1, the average is 0.125.

Base conversion 20686946

Base System Value
2 Binary 1001110111010100001100010
3 Ternary 1102221000011012
4 Quaternary 1032322201202
5 Quinary 20243440241
6 Senary 2015220522
8 Octal 116724142
10 Decimal 20686946
12 Duodecimal 6b17742
16 Hexadecimal 13ba862
20 Vigesimal 695h76
36 Base36 cbe5e

Cryptographic Hash Functions

md5 e988fefcaadf0b731867356ff852ab9a
sha1 de7bd56a5469ba7af23e25222bc7e6567ecc5dcf
sha256 7632828e55b47b9902a271364ab96f06174483374b5c3f7a51f08c97bb7c843a
sha512 32d1285c7239a172eb93ff5016344f91a0f72ba56a4176bc9744408846a0ef3372a7e602114ca2176cbe42cd38434d0c4dfa8686815ce7245698ac7a3eed5238
ripemd-160 5432fb82d320568df7949f4fa872be8980dafa71

20686946 as geometric shapes

Circle

Radius = n
Diameter 41373892
Circumference 129979915.15762
Area 1.3444437429751E+15

Sphere

Radius = n
Volume 3.7083246814619E+22
Surface area 5.3777749719004E+15
Circumference 129979915.15762

Square

Length = n
Perimeter 82747784
Area 427949734806916
Diagonal 29255759.59728

Cube

Length = n
Surface area 2567698408841496
Volume 8.852973054665E+21
Space diagonal 35830841.525434

Equilateral Triangle

Length = n
Perimeter 62060838
Area 1.853076709428E+14
Altitude 17915420.762717

Triangular Pyramid

Length = n
Surface area 1.853076709428E+14
Volume 1.0433328801026E+21
Height 9751919.86576