13209905 is an odd 8-digits composite number following 13209904
and preceding 13209906 . In scientific notation, it is written as 1.3209905 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 10301760 positive integers (up to 13209905) that are relatively prime to 13209905.
13209905 has 16 divisors, whose sum is 16257024
The reverse of 13209905 is 50990231
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
thirteen million two hundred nine thousand nine hundred five
Scientific notation
1.3209905 × 10^7
Engineering notation
1.3209905 × 10^6
Prime Factorization
5 × 127 × 71 × 293
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
13209905
Product of the distinct prime numbers
The prime factorization of 13209905 is 5 × 127 × 71 × 293.
Since it has a total of 4 prime factors.
4 , 7 , 96 , 98 , 271 , 672 , 9648 , 4445 , 65198 , 84773 , 940895 , 807074 , 1314938 , 4313255 , 24967356 , 23803903 , 590493021 , 751732247 , 1965712964 , 4178134253
n×2
26419810
n×3
39629715
n×4
52839620
n×5
66049525
n÷2
6604952.5
n÷3
4403301.6666667
n÷3
3302476.25
n÷5
2641981
n2
174501590109025
n3
2.3051494276892E+21
n4
3.0450804950578E+28
n5
4.0225224057067E+35
2 √n
3634.5433000585
3 √n
236.39224844148
4 √n
60.287173594874
5 √n
26.557056581574
1 , 5 , 71 , 127 , 293 , 355 , 635 , 1465 , 9017 , 20803 , 37211 , 45085 , 104015 , 186055 , 2641981 , 13209905
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-13209904
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 13209905 can be divided by 16 positive divisors.
The sum of these divisors (counting 13209905) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110010011001000100110001
3
Ternary
220212010120202
4
Quaternary
302121010301
5
Quinary
11340204110
6
Senary
1151044545
8
Octal
62310461
10
Decimal
13209905
12
Duodecimal
4510755
16
Hexadecimal
c99131
20
Vigesimal
42b4f5
36
Base36
7v4tt
md5
1717935330873342980c4cb5a2e40635
sha1
b60c758a06f61bd5449715e659331fa8904b58bf
sha256
8aeab9980f48e96b27770d4e3e6cafb62da650b578d993e6d81749682e17cbde
sha512
3f1705f3467e98da683ef82819413cc25cb5bd818c9fde4eb152b0de670da109c6b12ba85f00d12a3bc4f86c3a5153218c7949fd254cebeebcfa459bc6705058
ripemd-160
ec54b3a040cde51d140d9ef2c5d4836322792aa4
Diameter
26419810
Circumference
83000281.005238
Area
5.4821291352625E+14
Volume
9.6557873432733E+21
Surface area
2.192851654105E+15
Circumference
83000281.005238
Perimeter
52839620
Area
174501590109025
Diagonal
18681626.80866
Surface area
1047009540654150
Volume
2.3051494276892E+21
Space diagonal
22880226.623158
Perimeter
39629715
Area
75561405017597
Altitude
11440113.311579
Surface area
75561405017597
Volume
2.7166446532788E+20
Height
6227208.9362201