20081271 is an odd 8-digits composite number following 20081270
and preceding 20081272 . In scientific notation, it is written as 2.0081271 × 10^7.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 10870848 positive integers (up to 20081271) that are relatively prime to 20081271.
20081271 has 8 divisors, whose sum is 22145200
The reverse of 20081271 is 17218002
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million eighty-one thousand two hundred seventy-one
Scientific notation
2.0081271 × 10^7
Engineering notation
2.0081271 × 10^6
Prime Factorization
21 × 19 × 50329
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20081271
Product of the distinct prime numbers
The prime factorization of 20081271 is 21 × 19 × 50329.
Since it has a total of 3 prime factors.
10 , 2 , 78 , 77 , 492 , 265 , 1198 , 2405 , 27615 , 91111 , 196770 , 162573 , 2386084 , 4561872 , 47642206 , 1220274 , 952076578 , 540471791 , 4913883829 , 6233465325
n×2
40162542
n×3
60243813
n×4
80325084
n×5
100406355
n÷2
10040635.5
n÷3
6693757
n÷3
5020317.75
n÷5
4016254.2
n2
403257444975441
n3
8.0979220353194E+21
n4
1.6261656692812E+29
n5
3.2655473495732E+36
2 √n
4481.213117003
3 √n
271.80893715256
4 √n
66.94186371026
5 √n
28.877410027633
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
-20081270
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 20081271 can be divided by 8 positive divisors.
The sum of these divisors (counting 20081271) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100100110101001110111
3
Ternary
1101210020022210
4
Quaternary
1030212221313
5
Quinary
20120100041
6
Senary
1554224503
8
Octal
114465167
10
Decimal
20081271
12
Duodecimal
6885133
16
Hexadecimal
1326a77
20
Vigesimal
65a33b
36
Base36
byet3
md5
cc037eabe300ecf703ac649b55205110
sha1
bd270f02d5bc12986867041cef5bac12adff9147
sha256
4eb0f4cbaab160e29bef4fe9dd7b1c313d3f3e47c0526f7aa00391daa843d619
sha512
0c9bbd24167b03716e62bbaa027931886a7ba371be8c9cdccedfb4c00fe65da303d0363a35a8d61d5e1a024de208efc11f03448523a25de227c574240b844fec
ripemd-160
75ad3e3f1afee89dc86d460013e47740635faa2b
Diameter
40162542
Circumference
126174346.89669
Area
1.2668706266402E+15
Volume
3.392049650067E+22
Surface area
5.0674825065609E+15
Circumference
126174346.89669
Perimeter
80325084
Area
403257444975441
Diagonal
28399205.79789
Surface area
2419544669852646
Volume
8.0979220353194E+21
Space diagonal
34781781.652559
Perimeter
60243813
Area
1.7461559580697E+14
Altitude
17390890.82628
Surface area
1.7461559580697E+14
Volume
9.5434926411572E+20
Height
9466401.9326298