20686142 is an even 8-digits composite number following 20686141
and preceding 20686143 . In scientific notation, it is written as 2.0686142 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 10318752 positive integers (up to 20686142) that are relatively prime to 20686142.
20686142 has 8 divisors, whose sum is 31102176
The reverse of 20686142 is 24168602
Previous prime number is 433
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million six hundred eighty-six thousand one hundred forty-two
Scientific notation
2.0686142 × 10^7
Engineering notation
2.0686142 × 10^6
Prime Factorization
2 × 433 × 23887
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20686142
Product of the distinct prime numbers
The prime factorization of 20686142 is 2 × 433 × 23887.
Since it has a total of 3 prime factors.
10 , 1 , 63 , 59 , 302 , 858 , 3550 , 3170 , 93429 , 51165 , 948172 , 507920 , 3435365 , 5863304 , 65714966 , 42315217 , 744760932 , 594069211 , 7217724848 , 2632506376
n×2
41372284
n×3
62058426
n×4
82744568
n×5
103430710
n÷2
10343071
n÷3
6895380.6666667
n÷3
5171535.5
n÷5
4137228.4
n2
427916470844164
n3
8.8519408800212E+21
n4
1.8311250601972E+29
n5
3.7878913014999E+36
2 √n
4548.2020623539
3 √n
274.51105182979
4 √n
67.44035929882
5 √n
29.049315293485
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
-20686141
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 20686142 can be divided by 8 positive divisors.
The sum of these divisors (counting 20686142) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110111010010100111110
3
Ternary
1102220222001102
4
Quaternary
1032322110332
5
Quinary
20243424032
6
Senary
2015213102
8
Octal
116722476
10
Decimal
20686142
12
Duodecimal
6b17192
16
Hexadecimal
13ba53e
20
Vigesimal
695f72
36
Base36
cbdj2
md5
60dee07a83c5fc1e7030f8349375f179
sha1
0d7e23dd5e88b89b0a992f3a3172576ac1b34645
sha256
bb2eb932b59b0f4ad4a240713bee73836955fc4be496e5a73d2d0268b5401c07
sha512
5aac3d5219be8be049e203ff98f1ab7eeaa046cc2d1ae27c9dd6fe8bcc9a227155673fed71d3dff47e36dc1f1525d1852cf7aaae9ca53ab8d2ebbb4baaa73479
ripemd-160
cda3a6e32cc3586359e67168f38f7d4e44bfc6d2
Diameter
41372284
Circumference
129974863.47663
Area
1.3443392411541E+15
Volume
3.7078923251581E+22
Surface area
5.3773569646164E+15
Circumference
129974863.47663
Perimeter
82744568
Area
427916470844164
Diagonal
29254622.569576
Surface area
2567498825064984
Volume
8.8519408800212E+21
Space diagonal
35829448.956584
Perimeter
62058426
Area
1.8529326722441E+14
Altitude
17914724.478292
Surface area
1.8529326722441E+14
Volume
1.0432112371542E+21
Height
9751540.8565252