20688569 is an odd 8-digits composite number following 20688568
and preceding 20688570 . In scientific notation, it is written as 2.0688569 × 10^7.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 17989840 positive integers (up to 20688569) that are relatively prime to 20688569.
20688569 has 8 divisors, whose sum is 23550912
The reverse of 20688569 is 96588602
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty million six hundred eighty-eight thousand five hundred sixty-nine
Scientific notation
2.0688569 × 10^7
Engineering notation
2.0688569 × 10^6
Prime Factorization
11 × 23 × 81773
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20688569
Product of the distinct prime numbers
The prime factorization of 20688569 is 11 × 23 × 81773.
Since it has a total of 3 prime factors.
9 , 3 , 32 , 72 , 248 , 684 , 9656 , 3679 , 80993 , 64409 , 152586 , 353586 , 5687657 , 2086920 , 8137977 , 37088798 , 921435331 , 937782834 , 9650069179 , 3163006256
n×2
41377138
n×3
62065707
n×4
82754276
n×5
103442845
n÷2
10344284.5
n÷3
6896189.6666667
n÷3
5172142.25
n÷5
4137713.8
n2
428016887267761
n3
8.8550569054043E+21
n4
1.8319845578638E+29
n5
3.79011389323E+36
2 √n
4548.468863255
3 √n
274.52178707256
4 √n
67.442337320521
5 √n
29.049996903229
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
-20688568
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 20688569 can be divided by 8 positive divisors.
The sum of these divisors (counting 20688569) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110111010111010111001
3
Ternary
1102221002101022
4
Quaternary
1032322322321
5
Quinary
20244013234
6
Senary
2015232225
8
Octal
116727271
10
Decimal
20688569
12
Duodecimal
6b18675
16
Hexadecimal
13baeb9
20
Vigesimal
696189
36
Base36
cbfeh
md5
99d87aa4b91cd7b4e3eb375ef44c0f66
sha1
65b72ddd743d85ce8bd9716e9af923ca040fcc99
sha256
87219194fcf1ad30c859bf850ad6e39be6f0b4107f4b3524a53b688578e67833
sha512
bdb9938f1b24f6634c36794c189873574b28385e0a008b8c10a8d0916c236b276df33c4c473659621437f62166b4353703071d7981e6ccef5883e45221244234
ripemd-160
fb16ed399884ee473b1ba16bff1140acd451ed48
Diameter
41377138
Circumference
129990112.76737
Area
1.3446547086528E+15
Volume
3.7091975628184E+22
Surface area
5.3786188346111E+15
Circumference
129990112.76737
Perimeter
82754276
Area
428016887267761
Diagonal
29258054.865892
Surface area
2568101323606566
Volume
8.8550569054043E+21
Space diagonal
35833652.643894
Perimeter
62065707
Area
1.8533674881131E+14
Altitude
17916826.321947
Surface area
1.8533674881131E+14
Volume
1.0435784642674E+21
Height
9752684.9552972