20131931 is an odd 8-digits prime number following 20131930
and preceding 20131932 . In scientific notation, it is written as 2.0131931 × 10^7.
The sum of its digits is 20. It has a total of 1 prime factors and 2 positive divisors.
There are 20131930 positive integers (up to 20131931) that are relatively prime to 20131931.
20131931 has 2 divisors, whose sum is 20131932
The reverse of 20131931 is 13913102
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million one hundred thirty-one thousand nine hundred thirty-one
Scientific notation
2.0131931 × 10^7
Engineering notation
2.0131931 × 10^6
Prime Factorization
20131931
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20131931
Product of the distinct prime numbers
The prime factorization of 20131931 is 20131931.
Since it has a total of 1 prime factors.
3 , 2 , 3 , 19 , 295 , 139 , 4237 , 8918 , 76864 , 74504 , 165748 , 537848 , 2856708 , 8912368 , 76343815 , 38270084 , 212430010 , 870353696 , 3809490636 , 2642848238
n×2
40263862
n×3
60395793
n×4
80527724
n×5
100659655
n÷2
10065965.5
n÷3
6710643.6666667
n÷3
5032982.75
n÷5
4026386.2
n2
405294645788761
n3
8.1593638436888E+21
n4
1.6426374990504E+29
n5
3.3069464788895E+36
2 √n
4486.8620437896
3 √n
272.03731376071
4 √n
66.984043202763
5 √n
28.891965436811
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20131932
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10065966
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4486.8621552261
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999006553
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20131931 can be divided by 2 positive divisors.
The sum of these divisors (counting 20131931) is 20131932, the average is 10065966.
Base
System
Value
2
Binary
1001100110011000001011011
3
Ternary
1101212210211002
4
Quaternary
1030303001123
5
Quinary
20123210211
6
Senary
1555255215
8
Octal
114630133
10
Decimal
20131931
12
Duodecimal
68aa50b
16
Hexadecimal
133305b
20
Vigesimal
65g9gb
36
Base36
bzhwb
md5
63d0d5091f1d6a622030244c586a2d38
sha1
bb4c2d8f0a048f4115d644e044146e6e8bc81d83
sha256
d205bbff747c253533a47cb9317c7073603284210824e543cecb216e2ee06f0e
sha512
de9341b6d69a669bcd536dd73e1793fe1c8bfc214a82d3db93dab056e92c87f01a5737c34bce54e8c57462ac0bcdd3c370be07d8e9ea15196335ac59a175cdfd
ripemd-160
0a122afb057955ad629c8ec045af300866c31f60
Diameter
40263862
Circumference
126492653.06435
Area
1.2732706817492E+15
Volume
3.4177863345732E+22
Surface area
5.093082726997E+15
Circumference
126492653.06435
Perimeter
80527724
Area
405294645788761
Diagonal
28470849.856959
Surface area
2431767874732566
Volume
8.1593638436888E+21
Space diagonal
34869527.346471
Perimeter
60395793
Area
1.7549772963544E+14
Altitude
17434763.673235
Surface area
1.7549772963544E+14
Volume
9.6159025067344E+20
Height
9490283.2856531