20871738 is an even 8-digits composite number following 20871737
and preceding 20871739 . In scientific notation, it is written as 2.0871738 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 6957240 positive integers (up to 20871738) that are relatively prime to 20871738.
20871738 has 12 divisors, whose sum is 45222138
The reverse of 20871738 is 83717802
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million eight hundred seventy-one thousand seven hundred thirty-eight
Scientific notation
2.0871738 × 10^7
Engineering notation
2.0871738 × 10^6
Prime Factorization
2 × 3 × 3 × 1159541
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6957246
Product of the distinct prime numbers
The prime factorization of 20871738 is 2 × 3 × 3 × 1159541.
Since it has a total of 4 prime factors.
10 , 5 , 19 , 61 , 568 , 839 , 9049 , 2514 , 34133 , 25882 , 600228 , 181094 , 2600679 , 9783152 , 50966350 , 84927875 , 192236271 , 721368830 , 4924164764 , 6706950467
n×2
41743476
n×3
62615214
n×4
83486952
n×5
104358690
n÷2
10435869
n÷3
6957246
n÷3
5217934.5
n÷5
4174347.6
n2
435629447140644
n3
9.0923436858044E+21
n4
1.8977301521606E+29
n5
3.9608926530597E+36
2 √n
4568.5597292801
3 √n
275.32957950639
4 √n
67.591121674966
5 √n
29.101255297074
1 , 2 , 3 , 6 , 9 , 18 , 1159541 , 2319082 , 3478623 , 6957246 , 10435869 , 20871738
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
-20871737
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 20871738 can be divided by 12 positive divisors.
The sum of these divisors (counting 20871738) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001111100111101000111010
3
Ternary
1110021101122100
4
Quaternary
1033213220322
5
Quinary
20320343423
6
Senary
2023204230
8
Octal
117475072
10
Decimal
20871738
12
Duodecimal
6ba6676
16
Hexadecimal
13e7a3a
20
Vigesimal
6a8j6i
36
Base36
cfcqi
md5
a92e28d0b2fe1b33da78e18ff9a2db4e
sha1
60882f109820558f94308bf89b70c78456f9db07
sha256
6c1d8558d700c27a3d56f36410cca2bc7ed0f73638497ebe9ee95542064d5f53
sha512
dce7fb3741a2824b976fd2cff6c4eec2e1339ac0f1668356b4416ca56e4fbc428af9c5465891022f2a513da19045c26e3d0b9773368db748ddb59476983faa8b
ripemd-160
8a8bcbadaa53f18b318a932dadaaeb92dffdb644
Diameter
41743476
Circumference
131140997.5369
Area
1.3685702708244E+15
Volume
3.8085920169649E+22
Surface area
5.4742810832977E+15
Circumference
131140997.5369
Perimeter
83486952
Area
435629447140644
Diagonal
29517094.949898
Surface area
2613776682843864
Volume
9.0923436858044E+21
Space diagonal
36150910.658266
Perimeter
62615214
Area
1.8863308393018E+14
Altitude
18075455.329133
Surface area
1.8863308393018E+14
Volume
1.0715429795185E+21
Height
9839031.649966