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.
20686946 has 8 divisors, whose sum is 35463360
The reverse of 20686946 is 64968602
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty million six hundred eighty-six thousand nine hundred forty-six
Scientific notation
2.0686946 × 10^7
Engineering notation
2.0686946 × 10^6
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.
5 , 7 , 77 , 95 , 893 , 159 , 3446 , 7555 , 7065 , 84183 , 758126 , 178889 , 8883572 , 9598405 , 38552291 , 45965394 , 748756513 , 429332081 , 2299879987 , 591226578
n×2
41373892
n×3
62060838
n×4
82747784
n×5
103434730
n÷2
10343473
n÷3
6895648.6666667
n÷3
5171736.5
n÷5
4137389.2
n2
427949734806916
n3
8.852973054665E+21
n4
1.8314097552131E+29
n5
3.7886274709967E+36
2 √n
4548.2904480695
3 √n
274.51460822077
4 √n
67.441014583631
5 √n
29.049541099596
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
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
md5
e988fefcaadf0b731867356ff852ab9a
sha1
de7bd56a5469ba7af23e25222bc7e6567ecc5dcf
sha256
7632828e55b47b9902a271364ab96f06174483374b5c3f7a51f08c97bb7c843a
sha512
32d1285c7239a172eb93ff5016344f91a0f72ba56a4176bc9744408846a0ef3372a7e602114ca2176cbe42cd38434d0c4dfa8686815ce7245698ac7a3eed5238
ripemd-160
5432fb82d320568df7949f4fa872be8980dafa71
Diameter
41373892
Circumference
129979915.15762
Area
1.3444437429751E+15
Volume
3.7083246814619E+22
Surface area
5.3777749719004E+15
Circumference
129979915.15762
Perimeter
82747784
Area
427949734806916
Diagonal
29255759.59728
Surface area
2567698408841496
Volume
8.852973054665E+21
Space diagonal
35830841.525434
Perimeter
62060838
Area
1.853076709428E+14
Altitude
17915420.762717
Surface area
1.853076709428E+14
Volume
1.0433328801026E+21
Height
9751919.86576