20843986 is an even 8-digits composite number following 20843985
and preceding 20843987 . In scientific notation, it is written as 2.0843986 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 10393680 positive integers (up to 20843986) that are relatively prime to 20843986.
20843986 has 8 divisors, whose sum is 31350924
The reverse of 20843986 is 68934802
Previous prime number is 373
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty million eight hundred forty-three thousand nine hundred eighty-six
Scientific notation
2.0843986 × 10^7
Engineering notation
2.0843986 × 10^6
Prime Factorization
2 × 373 × 27941
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20843986
Product of the distinct prime numbers
The prime factorization of 20843986 is 2 × 373 × 27941.
Since it has a total of 3 prime factors.
2 , 7 , 74 , 37 , 693 , 342 , 3822 , 9874 , 88618 , 11700 , 728378 , 486622 , 4025811 , 2464295 , 36969255 , 47595091 , 245690446 , 96585881 , 7156675964 , 2500632155
n×2
41687972
n×3
62531958
n×4
83375944
n×5
104219930
n÷2
10421993
n÷3
6947995.3333333
n÷3
5210996.5
n÷5
4168797.2
n2
434471752368196
n3
9.0561231237581E+21
n4
1.8876570360589E+29
n5
3.9346296832413E+36
2 √n
4565.5214379083
3 √n
275.20749519033
4 √n
67.568642415756
5 √n
29.093512310667
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
-20843985
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 20843986 can be divided by 8 positive divisors.
The sum of these divisors (counting 20843986) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111100000110111010010
3
Ternary
1110012222120111
4
Quaternary
1033200313102
5
Quinary
20314001421
6
Senary
2022431534
8
Octal
117406722
10
Decimal
20843986
12
Duodecimal
6b925aa
16
Hexadecimal
13e0dd2
20
Vigesimal
6a59j6
36
Base36
cerbm
md5
4308a7ca5c8e77d12d22e2c726b1e582
sha1
597ca035f32720671230b94359459f9b3c633fab
sha256
4670cbb397234f75ef4c9bb8c479138216c98d41995df357cf5c27e89e9bdccc
sha512
8771c1b8bc7361d797f10a6ecf4e501b597eddafd6aa64a44cc0ec76839e3ca32d221930dcb8777316554c5accdbfba68e7bb290d8f8e57fa62dfb0ded099f0a
ripemd-160
4707d4d4578d3f980a4246ea0c81e7c7c5915da6
Diameter
41687972
Circumference
130966626.57826
Area
1.3649332654322E+15
Volume
3.7934199834138E+22
Surface area
5.4597330617288E+15
Circumference
130966626.57826
Perimeter
83375944
Area
434471752368196
Diagonal
29477847.695115
Surface area
2606830514209176
Volume
9.0561231237581E+21
Space diagonal
36102842.784254
Perimeter
62531958
Area
1.881317873888E+14
Altitude
18051421.392127
Surface area
1.881317873888E+14
Volume
1.0672743453449E+21
Height
9825949.231705