20131911 is an odd 8-digits composite number following 20131910
and preceding 20131912 . In scientific notation, it is written as 2.0131911 × 10^7.
The sum of its digits is 18. It has a total of 3 prime factors and 6 positive divisors.
There are 13421268 positive integers (up to 20131911) that are relatively prime to 20131911.
20131911 has 6 divisors, whose sum is 29079440
The reverse of 20131911 is 11913102
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty million one hundred thirty-one thousand nine hundred eleven
Scientific notation
2.0131911 × 10^7
Engineering notation
2.0131911 × 10^6
Prime Factorization
3 × 3 × 2236879
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
6710637
Product of the distinct prime numbers
The prime factorization of 20131911 is 3 × 3 × 2236879.
Since it has a total of 3 prime factors.
10 , 4 , 12 , 6 , 625 , 846 , 4420 , 9560 , 7032 , 67198 , 738090 , 425201 , 656076 , 6675129 , 5759558 , 99147857 , 252016464 , 773214887 , 6514358684 , 6020739061
n×2
40263822
n×3
60395733
n×4
80527644
n×5
100659555
n÷2
10065955.5
n÷3
6710637
n÷3
5032977.75
n÷5
4026382.2
n2
405293840511921
n3
8.1593395260342E+21
n4
1.642630971569E+29
n5
3.3069300525471E+36
2 √n
4486.85981506
3 √n
272.03722367583
4 √n
66.984026566488
5 √n
28.891959696284
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20131910
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20131911 can be divided by 6 positive divisors.
The sum of these divisors (counting 20131911) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1001100110011000001000111
3
Ternary
1101212210210100
4
Quaternary
1030303001013
5
Quinary
20123210121
6
Senary
1555255143
8
Octal
114630107
10
Decimal
20131911
12
Duodecimal
68aa4b3
16
Hexadecimal
1333047
20
Vigesimal
65g9fb
36
Base36
bzhvr
md5
ca3c93a4d181bb632a7d30741d408b30
sha1
85538fce7a2993f39483c8c40d83ea64e77e4cab
sha256
90379ddfade5e073e33d072057db3c243815b8e3fcd0860941b5667f274f2fff
sha512
90dd8e72f3180e5ca5103cfb4527ed52353f7a826246e52497cff5f7f0ead3328d67d24f41315a4c60b9adba20fb1429256d2c913aa19ce71480a38ac3b71a54
ripemd-160
fefff48d492c0be680b4be6c008a423047e48575
Diameter
40263822
Circumference
126492527.40065
Area
1.2732681518974E+15
Volume
3.4177761484178E+22
Surface area
5.0930726075898E+15
Circumference
126492527.40065
Perimeter
80527644
Area
405293840511921
Diagonal
28470821.572688
Surface area
2431763043071526
Volume
8.1593395260342E+21
Space diagonal
34869492.705455
Perimeter
60395733
Area
1.7549738094034E+14
Altitude
17434746.352727
Surface area
1.7549738094034E+14
Volume
9.6158738481037E+20
Height
9490273.8575627