20688732 is an even 8-digits composite number following 20688731
and preceding 20688733 . In scientific notation, it is written as 2.0688732 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 18 positive divisors.
There are 6896232 positive integers (up to 20688732) that are relatively prime to 20688732.
20688732 has 18 divisors, whose sum is 52296608
The reverse of 20688732 is 23788602
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million six hundred eighty-eight thousand seven hundred thirty-two
Scientific notation
2.0688732 × 10^7
Engineering notation
2.0688732 × 10^6
Prime Factorization
2 × 2 × 3 × 3 × 574687
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
3448122
Product of the distinct prime numbers
The prime factorization of 20688732 is 2 × 2 × 3 × 3 × 574687.
Since it has a total of 5 prime factors.
8 , 4 , 68 , 97 , 851 , 793 , 4995 , 4506 , 84478 , 30715 , 199077 , 368257 , 2431525 , 1947472 , 85092439 , 61055538 , 598757144 , 674214682 , 3407550891 , 3141965601
n×2
41377464
n×3
62066196
n×4
82754928
n×5
103443660
n÷2
10344366
n÷3
6896244
n÷3
5172183
n÷5
4137746.4
n2
428023631767824
n3
8.8552662073112E+21
n4
1.8320422935172E+29
n5
3.7902632023242E+36
2 √n
4548.4867813373
3 √n
274.52250803324
4 √n
67.442470160406
5 √n
29.0500426786
1 , 2 , 3 , 4 , 6 , 9 , 12 , 18 , 36 , 574687 , 1149374 , 1724061 , 2298748 , 3448122 , 5172183 , 6896244 , 10344366 , 20688732
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20688731
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20688732 can be divided by 18 positive divisors.
The sum of these divisors (counting 20688732) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
1001110111010111101011100
3
Ternary
1102221002121100
4
Quaternary
1032322331130
5
Quinary
20244014412
6
Senary
2015233100
8
Octal
116727534
10
Decimal
20688732
12
Duodecimal
6b18790
16
Hexadecimal
13baf5c
20
Vigesimal
6961gc
36
Base36
cbfj0
md5
c82683c893ccffea72b128900f269bdd
sha1
171e8181e3168976e2872b56e655938691dd88a1
sha256
50ed7e1a88c83576633cb4b0b9edec846ad656635c649137ea2b4f766c35bffb
sha512
05c7f2daada34ea87eb4b2bd1420390504fa3590f99259dbd492c141733c61e73ebdcb41bc1762d072e25bbf8b502fc085b0f7480861759bc678861a9e81ffb3
ripemd-160
c8f792021e5733e29c962eb6fdca2037d29b51e1
Diameter
41377464
Circumference
129991136.92658
Area
1.3446758971246E+15
Volume
3.7092852349961E+22
Surface area
5.3787035884985E+15
Circumference
129991136.92658
Perimeter
82754928
Area
428023631767824
Diagonal
29258285.382702
Surface area
2568141790606944
Volume
8.8552662073112E+21
Space diagonal
35833934.968176
Perimeter
62066196
Area
1.8533966926551E+14
Altitude
17916967.484088
Surface area
1.8533966926551E+14
Volume
1.0436031307336E+21
Height
9752761.7942341