20081212 is an even 8-digits composite number following 20081211
and preceding 20081213 . In scientific notation, it is written as 2.0081212 × 10^7.
The sum of its digits is 16. It has a total of 4 prime factors and 12 positive divisors.
There are 10026416 positive integers (up to 20081212) that are relatively prime to 20081212.
20081212 has 12 divisors, whose sum is 35191800
The reverse of 20081212 is 21218002
Previous prime number is 6299
Is Prime? no
Number parity even
Number length 8
Sum of Digits 16
Digital Root 7
Name
twenty million eighty-one thousand two hundred twelve
Scientific notation
2.0081212 × 10^7
Engineering notation
2.0081212 × 10^6
Prime Factorization
2 × 2 × 6299 × 797
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10040606
Product of the distinct prime numbers
The prime factorization of 20081212 is 2 × 2 × 6299 × 797.
Since it has a total of 4 prime factors.
1 , 6 , 59 , 57 , 935 , 320 , 4716 , 9591 , 81984 , 517 , 880039 , 895867 , 4030102 , 9507089 , 61922753 , 61293618 , 551542435 , 137344949 , 4606516252 , 4840204678
n×2
40162424
n×3
60243636
n×4
80324848
n×5
100406060
n÷2
10040606
n÷3
6693737.3333333
n÷3
5020303
n÷5
4016242.4
n2
403255075388944
n3
8.0978506589614E+21
n4
1.6261465582694E+29
n5
3.2654993779679E+36
2 √n
4481.2065339594
3 √n
271.80867095522
4 √n
66.941814540385
5 √n
28.877393058895
1 , 2 , 4 , 797 , 1594 , 3188 , 6299 , 12598 , 25196 , 5020303 , 10040606 , 20081212
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
-20081211
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 20081212 can be divided by 12 positive divisors.
The sum of these divisors (counting 20081212) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100100110101000111100
3
Ternary
1101210020020121
4
Quaternary
1030212220330
5
Quinary
20120044322
6
Senary
1554224324
8
Octal
114465074
10
Decimal
20081212
12
Duodecimal
68850a4
16
Hexadecimal
1326a3c
20
Vigesimal
65a30c
36
Base36
byerg
md5
49101c06ed169ff85cc8ea3763c890f3
sha1
f57a140bb3622c41dd9f0a91057c2377c8fb9699
sha256
ca7c90bcd9155256acd45d477f234e61c4d48d3d3c8c214590546ceee2628500
sha512
c1ff94f9ca1e2b0da08e4a5b59a57dcaad4ef3dfcf21f40d78cc72e42d820899196526b209724103e6369e9dfcb729d3029e22428ffb640c8d5e3a535e4dbb49
ripemd-160
cefd2c8d4538fb6f4cfd85b08f18a188cc3aacd0
Diameter
40162424
Circumference
126173976.18876
Area
1.2668631823647E+15
Volume
3.392019752008E+22
Surface area
5.0674527294588E+15
Circumference
126173976.18876
Perimeter
80324848
Area
403255075388944
Diagonal
28399122.359289
Surface area
2419530452333664
Volume
8.0978506589614E+21
Space diagonal
34781679.461562
Perimeter
60243636
Area
1.7461456974592E+14
Altitude
17390839.730781
Surface area
1.7461456974592E+14
Volume
9.5434085233126E+20
Height
9466374.1197631