13018505 is an odd 8-digits composite number following 13018504
and preceding 13018506 . In scientific notation, it is written as 1.3018505 × 10^7.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 10414800 positive integers (up to 13018505) that are relatively prime to 13018505.
13018505 has 4 divisors, whose sum is 15622212
The reverse of 13018505 is 50581031
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
thirteen million eighteen thousand five hundred five
Scientific notation
1.3018505 × 10^7
Engineering notation
1.3018505 × 10^6
Prime Factorization
5 × 2603701
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
13018505
Product of the distinct prime numbers
The prime factorization of 13018505 is 5 × 2603701.
Since it has a total of 2 prime factors.
10 , 8 , 20 , 7 , 478 , 321 , 7222 , 9532 , 79652 , 65795 , 983583 , 465294 , 9385980 , 9845383 , 48220750 , 50503137 , 375602522 , 558691516 , 6252933241 , 6256462502
n×2
26037010
n×3
39055515
n×4
52074020
n×5
65092525
n÷2
6509252.5
n÷3
4339501.6666667
n÷3
3254626.25
n÷5
2603701
n2
169481472435025
n3
2.2063953963027E+21
n4
2.8723969498744E+28
n5
3.7394314053925E+35
2 √n
3608.1165446809
3 √n
235.2449836928
4 √n
60.067599791243
5 √n
26.479648927624
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
-13018504
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 13018505 can be divided by 4 positive divisors.
The sum of these divisors (counting 13018505) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001101010010110001001
3
Ternary
220111102000212
4
Quaternary
301222112021
5
Quinary
11313043010
6
Senary
1143010505
8
Octal
61522611
10
Decimal
13018505
12
Duodecimal
4439a35
16
Hexadecimal
c6a589
20
Vigesimal
417655
36
Base36
7r155
md5
74a5bd2717f364c5e24a6c0ef7458ae1
sha1
061f7de7d053513ec62532ae662e248c38d3333e
sha256
f00a951b0d0b1d19f5dc404f7c72aa7435a9ec48294ea45f1a2f92bf470913e3
sha512
90215d4a91663c3f459f700d2aa8f5d97aa1ed569f6a77988b1c8a91c90f1fb15642e88c7d7197cbb6fc114acffa1a9096798bf0751815d025892f92aa53c291
ripemd-160
b47ff52ea8f71f49f705747dbbacd87bf273d051
Diameter
26037010
Circumference
81797679.337444
Area
5.3244174872146E+14
Volume
9.2421274239187E+21
Surface area
2.1297669948858E+15
Circumference
81797679.337444
Perimeter
52074020
Area
169481472435025
Diagonal
18410946.332822
Surface area
1016888834610150
Volume
2.2063953963027E+21
Space diagonal
22548712.098589
Perimeter
39055515
Area
73387630299762
Altitude
11274356.049295
Surface area
73387630299762
Volume
2.6002619111741E+20
Height
6136982.1109407