20685724 is an even 8-digits composite number following 20685723
and preceding 20685725 . In scientific notation, it is written as 2.0685724 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors.
There are 10332000 positive integers (up to 20685724) that are relatively prime to 20685724.
20685724 has 12 divisors, whose sum is 36238048
The reverse of 20685724 is 42758602
Previous prime number is 1231
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million six hundred eighty-five thousand seven hundred twenty-four
Scientific notation
2.0685724 × 10^7
Engineering notation
2.0685724 × 10^6
Prime Factorization
2 × 2 × 1231 × 4201
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10342862
Product of the distinct prime numbers
The prime factorization of 20685724 is 2 × 2 × 1231 × 4201.
Since it has a total of 4 prime factors.
6 , 8 , 1 , 1 , 872 , 817 , 8217 , 1153 , 83928 , 13194 , 770871 , 869825 , 2663940 , 1618636 , 54797917 , 18862068 , 195638981 , 2157709 , 71570531 , 5020388655
n×2
41371448
n×3
62057172
n×4
82742896
n×5
103428620
n÷2
10342862
n÷3
6895241.3333333
n÷3
5171431
n÷5
4137144.8
n2
427899177404176
n3
8.8514042836098E+21
n4
1.8309770602317E+29
n5
3.7875086118284E+36
2 √n
4548.1561098977
3 √n
274.50920282395
4 √n
67.440018608373
5 √n
29.049197894002
1 , 2 , 4 , 1231 , 2462 , 4201 , 4924 , 8402 , 16804 , 5171431 , 10342862 , 20685724
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20685723
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20685724 can be divided by 12 positive divisors.
The sum of these divisors (counting 20685724) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001110111010001110011100
3
Ternary
1102220221110221
4
Quaternary
1032322032130
5
Quinary
20243420344
6
Senary
2015211124
8
Octal
116721634
10
Decimal
20685724
12
Duodecimal
6b16aa4
16
Hexadecimal
13ba39c
20
Vigesimal
695e64
36
Base36
cbd7g
md5
b37f6bae81bb8d4fb5a3c7d983a97d45
sha1
66555cef50f704e72ea4ea3f09c8a97b259c73b1
sha256
c15afbba8b9c802ba9962cef2a3e8556f52703ec146d576f0b4c8d5750bdd9ac
sha512
8a45636e7353f96a10c0444de6f1b3ee62adf2512d4a5fdc83d333f39519a8edc470d26212871cdd917160f8d31299ecca352c7a33dd89f86657a8d19a203271
ripemd-160
fc74b089a87d5f96b5d3a7a8bd1550ca4b88d668
Diameter
41371448
Circumference
129972237.10517
Area
1.3442849122101E+15
Volume
3.7076675561789E+22
Surface area
5.3771396488403E+15
Circumference
129972237.10517
Perimeter
82742896
Area
427899177404176
Diagonal
29254031.428307
Surface area
2567395064425056
Volume
8.8514042836098E+21
Space diagonal
35828724.959347
Perimeter
62057172
Area
1.8528577894524E+14
Altitude
17914362.479673
Surface area
1.8528577894524E+14
Volume
1.0431479986607E+21
Height
9751343.8094355