13012805 is an odd 8-digits composite number following 13012804
and preceding 13012806 . In scientific notation, it is written as 1.3012805 × 10^7.
The sum of its digits is 20. It has a total of 4 prime factors and 16 positive divisors.
There are 9514560 positive integers (up to 13012805) that are relatively prime to 13012805.
13012805 has 16 divisors, whose sum is 16982784
The reverse of 13012805 is 50821031
Previous prime number is 107
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
thirteen million twelve thousand eight hundred five
Scientific notation
1.3012805 × 10^7
Engineering notation
1.3012805 × 10^6
Prime Factorization
5 × 13 × 107 × 1871
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
13012805
Product of the distinct prime numbers
The prime factorization of 13012805 is 5 × 13 × 107 × 1871.
Since it has a total of 4 prime factors.
1 , 1 , 78 , 5 , 613 , 975 , 4700 , 5622 , 53365 , 506 , 387454 , 615036 , 2899173 , 4828312 , 34480888 , 65238437 , 509007878 , 284000269 , 9291323661 , 2541974508
n×2
26025610
n×3
39038415
n×4
52051220
n×5
65064025
n÷2
6506402.5
n÷3
4337601.6666667
n÷3
3253201.25
n÷5
2602561
n2
169333093968025
n3
2.2034985318526E+21
n4
2.8673696712784E+28
n5
3.731252239526E+35
2 √n
3607.3265724079
3 √n
235.21064559348
4 √n
60.061023737594
5 √n
26.477329760565
1 , 5 , 13 , 65 , 107 , 535 , 1391 , 1871 , 6955 , 9355 , 24323 , 121615 , 200197 , 1000985 , 2602561 , 13012805
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
-13012804
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 13012805 can be divided by 16 positive divisors.
The sum of these divisors (counting 13012805) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001101000111101000101
3
Ternary
220111010012202
4
Quaternary
301220331011
5
Quinary
11312402210
6
Senary
1142524245
8
Octal
61507505
10
Decimal
13012805
12
Duodecimal
4436685
16
Hexadecimal
c68f45
20
Vigesimal
416c05
36
Base36
7qwqt
md5
73d8feee3b408f98451e1e430bce67aa
sha1
dff78bb6d116b5875f339c223cc22b637d723c53
sha256
3f7a99849d578724a0a65602a683cb35190287954b6ebd7045b4a3015941fe2f
sha512
0ca8703bae9d6b7333607aecd8291d5651bf49c8e5891212773fe90558a98afd5b9f5773b4f67fbe24c07bf9fbc5a97cf67204a3038aa827f74eb0aaf1427b9b
ripemd-160
1b8f31c6de9c57a63c4a4b80d29bd52e4daa6b27
Diameter
26025610
Circumference
81761865.181193
Area
5.3197560401958E+14
Volume
9.2299930664853E+21
Surface area
2.1279024160783E+15
Circumference
81761865.181193
Perimeter
52051220
Area
169333093968025
Diagonal
18402885.315516
Surface area
1015998563808150
Volume
2.2034985318526E+21
Space diagonal
22538839.408986
Perimeter
39038415
Area
73323380538864
Altitude
11269419.704493
Surface area
73323380538864
Volume
2.5968479236793E+20
Height
6134295.1051721