13102905 is an odd 8-digits composite number following 13102904
and preceding 13102906 . In scientific notation, it is written as 1.3102905 × 10^7.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 6988208 positive integers (up to 13102905) that are relatively prime to 13102905.
13102905 has 8 divisors, whose sum is 20964672
The reverse of 13102905 is 50920131
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
thirteen million one hundred two thousand nine hundred five
Scientific notation
1.3102905 × 10^7
Engineering notation
1.3102905 × 10^6
Prime Factorization
3 × 5 × 873527
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
13102905
Product of the distinct prime numbers
The prime factorization of 13102905 is 3 × 5 × 873527.
Since it has a total of 3 prime factors.
2 , 10 , 49 , 45 , 992 , 442 , 3591 , 9768 , 51222 , 85635 , 630257 , 498357 , 4868887 , 6488214 , 4517844 , 29775817 , 937989753 , 828566390 , 3464547505 , 9908345930
n×2
26205810
n×3
39308715
n×4
52411620
n×5
65514525
n÷2
6551452.5
n÷3
4367635
n÷3
3275726.25
n÷5
2620581
n2
171686119439025
n3
2.2495869128282E+21
n4
2.9476123608031E+28
n5
3.8622284740429E+35
2 √n
3619.7935023976
3 √n
235.75225965664
4 √n
60.164719748351
5 √n
26.513894169204
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-13102904
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 13102905 can be divided by 8 positive divisors.
The sum of these divisors (counting 13102905) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001111110111100111001
3
Ternary
220122200210210
4
Quaternary
301332330321
5
Quinary
11323243110
6
Senary
1144501333
8
Octal
61767471
10
Decimal
13102905
12
Duodecimal
447a849
16
Hexadecimal
c7ef39
20
Vigesimal
41hh55
36
Base36
7su9l
md5
0ae79cab998190558a3fa2b232473d03
sha1
cd44903ceb0a63bf08099967033f003c3462c99f
sha256
6bb87cce44059e03afce5e9cba867032ba5ba5cfda5675f3a515c2c52fc671a4
sha512
e473810c6d6867bef078e07709351d615d7acde8ac8b3899d5e46bf72f44ce2ddfcf5b1d7d9208de97b032ff5f23e8bf58522782792a218989e9b868f3a73f53
ripemd-160
02cbcc34985bb4822f6e9201f3b9dadc83c69f8c
Diameter
26205810
Circumference
82327980.17737
Area
5.3936785155298E+14
Volume
9.4230476252704E+21
Surface area
2.1574714062119E+15
Circumference
82327980.17737
Perimeter
52411620
Area
171686119439025
Diagonal
18530305.957486
Surface area
1030116716634150
Volume
2.2495869128282E+21
Space diagonal
22694897.186748
Perimeter
39308715
Area
74342270455682
Altitude
11347448.593374
Surface area
74342270455682
Volume
2.6511636015489E+20
Height
6176768.6524954