20131105 is an odd 8-digits composite number following 20131104
and preceding 20131106 . In scientific notation, it is written as 2.0131105 × 10^7.
The sum of its digits is 13. It has a total of 2 prime factors and 4 positive divisors.
There are 16104880 positive integers (up to 20131105) that are relatively prime to 20131105.
20131105 has 4 divisors, whose sum is 24157332
The reverse of 20131105 is 50113102
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 13
Digital Root 4
Name
twenty million one hundred thirty-one thousand one hundred five
Scientific notation
2.0131105 × 10^7
Engineering notation
2.0131105 × 10^6
Prime Factorization
5 × 4026221
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20131105
Product of the distinct prime numbers
The prime factorization of 20131105 is 5 × 4026221.
Since it has a total of 2 prime factors.
8 , 4 , 100 , 2 , 346 , 785 , 307 , 1447 , 40720 , 82262 , 217873 , 283723 , 6204988 , 6010053 , 86330797 , 80529473 , 307073727 , 775629602 , 9540304128 , 6938433007
n×2
40262210
n×3
60393315
n×4
80524420
n×5
100655525
n÷2
10065552.5
n÷3
6710368.3333333
n÷3
5032776.25
n÷5
4026221
n2
405261388521025
n3
8.1583595647625E+21
n4
1.6423679302599E+29
n5
3.3062681252695E+36
2 √n
4486.7699963337
3 √n
272.0335932053
4 √n
66.983356114289
5 √n
28.89172834922
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20131104
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20131105 can be divided by 4 positive divisors.
The sum of these divisors (counting 20131105) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110010110100100001
3
Ternary
1101212202200111
4
Quaternary
1030302310201
5
Quinary
20123143410
6
Senary
1555251321
8
Octal
114626441
10
Decimal
20131105
12
Duodecimal
68a9b41
16
Hexadecimal
1332d21
20
Vigesimal
65g7f5
36
Base36
bzh9d
md5
a0471ceae9553bab758819e7a84c47f2
sha1
9e9bc6095edaf05d1ac874b83aaff4c9e0fda4df
sha256
c81c055816164a32c6f1c4ed419ea4560f7e1760bc6e815fbc58e6a33c9f8096
sha512
1c146961028d87336adde696566fbe56c263c158ac3156b65329b9367c66390a998d943259044e2067f74cc5d308225a8f85f92226f59fdca75c2db281e30548
ripemd-160
d3b01717d8ce9c29642045a43bb560ddfa2d800d
Diameter
40262210
Circumference
126487463.15329
Area
1.2731662009613E+15
Volume
3.4173656632003E+22
Surface area
5.092664803845E+15
Circumference
126487463.15329
Perimeter
80524420
Area
405261388521025
Diagonal
28469681.716557
Surface area
2431568331126150
Volume
8.1583595647625E+21
Space diagonal
34868096.672504
Perimeter
60393315
Area
1.7548332881608E+14
Altitude
17434048.336252
Surface area
1.7548332881608E+14
Volume
9.6147189526695E+20
Height
9489893.9055189