20686872 is an even 8-digits composite number following 20686871
and preceding 20686873 . In scientific notation, it is written as 2.0686872 × 10^7.
The sum of its digits is 39. It has a total of 6 prime factors and 32 positive divisors.
There are 6878880 positive integers (up to 20686872) that are relatively prime to 20686872.
20686872 has 32 divisors, whose sum is 51842880
The reverse of 20686872 is 27868602
Previous prime number is 563
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million six hundred eighty-six thousand eight hundred seventy-two
Scientific notation
2.0686872 × 10^7
Engineering notation
2.0686872 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 563 × 1531
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5171718
Product of the distinct prime numbers
The prime factorization of 20686872 is 2 × 2 × 2 × 3 × 563 × 1531.
Since it has a total of 6 prime factors.
4 , 8 , 15 , 95 , 947 , 90 , 7473 , 5782 , 76222 , 38170 , 153061 , 474322 , 9410442 , 368899 , 22177869 , 31584225 , 965917983 , 309060729 , 5512615161 , 1037033226
n×2
41373744
n×3
62060616
n×4
82747488
n×5
103434360
n÷2
10343436
n÷3
6895624
n÷3
5171718
n÷5
4137374.4
n2
427946673144384
n3
8.8528780501637E+21
n4
1.8313835505535E+29
n5
3.7885597093205E+36
2 √n
4548.2823131376
3 √n
274.51428089511
4 √n
67.440954272145
5 √n
29.04952031674
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 563 , 1126 , 1531 , 1689 , 2252 , 3062 , 3378 , 4504 , 4593 , 6124 , 6756 , 9186 , 12248 , 13512 , 18372 , 36744 , 861953 , 1723906 , 2585859 , 3447812 , 5171718 , 6895624 , 10343436 , 20686872
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20686871
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20686872 can be divided by 32 positive divisors.
The sum of these divisors (counting 20686872) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001110111010100000011000
3
Ternary
1102221000001110
4
Quaternary
1032322200120
5
Quinary
20243434442
6
Senary
2015220320
8
Octal
116724030
10
Decimal
20686872
12
Duodecimal
6b176a0
16
Hexadecimal
13ba818
20
Vigesimal
695h3c
36
Base36
cbe3c
md5
62e3346608a739496a6c135ff0c9b19b
sha1
9a59b22873e71b6dcaeefec57c4d8ed138f7e2fc
sha256
df8f5a6598cd850de4a29a8588298144ce48c4373d36a9966a803802db9ce18d
sha512
7b3ff8504dbc0c65392635ab4b634d2efe307798a5fc4f21893c3f47632946027ab90e232739acfb18280fb15c91099419db1f72410b9a24b4435f873225c1a9
ripemd-160
658955aacb48ae94a821ff8a2124e7840fa557f5
Diameter
41373744
Circumference
129979450.2019
Area
1.3444341244786E+15
Volume
3.7082848860694E+22
Surface area
5.3777364979144E+15
Circumference
129979450.2019
Perimeter
82747488
Area
427946673144384
Diagonal
29255654.945476
Surface area
2567680038866304
Volume
8.8528780501637E+21
Space diagonal
35830713.353674
Perimeter
62060616
Area
1.8530634520404E+14
Altitude
17915356.676837
Surface area
1.8530634520404E+14
Volume
1.0433216837147E+21
Height
9751884.9818254