12641805 is an odd 8-digits composite number following 12641804
and preceding 12641806 . In scientific notation, it is written as 1.2641805 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 6128640 positive integers (up to 12641805) that are relatively prime to 12641805.
12641805 has 16 divisors, whose sum is 20433600
The reverse of 12641805 is 50814621
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twelve million six hundred forty-one thousand eight hundred five
Scientific notation
1.2641805 × 10^7
Engineering notation
1.2641805 × 10^6
Prime Factorization
99 × 3 × 5 × 8513
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12641805
Product of the distinct prime numbers
The prime factorization of 12641805 is 99 × 3 × 5 × 8513.
Since it has a total of 4 prime factors.
4 , 4 , 24 , 48 , 206 , 478 , 3633 , 3518 , 28055 , 23066 , 118778 , 745990 , 8411976 , 9808788 , 31599007 , 55587190 , 182550832 , 160292923 , 449298254 , 4809858164
n×2
25283610
n×3
37925415
n×4
50567220
n×5
63209025
n÷2
6320902.5
n÷3
4213935
n÷3
3160451.25
n÷5
2528361
n2
159815233658025
n3
2.0203530199342E+21
n4
2.5540908909169E+28
n5
3.2288318995248E+35
2 √n
3555.5316058221
3 √n
232.95374449421
4 √n
59.628278575036
5 √n
26.324602216569
1 , 3 , 5 , 15 , 99 , 297 , 495 , 1485 , 8513 , 25539 , 42565 , 127695 , 842787 , 2528361 , 4213935 , 12641805
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
-12641804
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 12641805 can be divided by 16 positive divisors.
The sum of these divisors (counting 12641805) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110000001110011000001101
3
Ternary
212210021022000
4
Quaternary
300032120031
5
Quinary
11214014210
6
Senary
1130542513
8
Octal
60163015
10
Decimal
12641805
12
Duodecimal
4297a39
16
Hexadecimal
c0e60d
20
Vigesimal
3j04a5
36
Base36
7iyh9
md5
8b5c2ce8647dc166f1fcd8a0eb0dcd83
sha1
450ce602fc7fb414c73852fc7316cc757cb3c2dc
sha256
b00a7e564d5be162aef025f666daffe92791f87050ee4ba44d1f9c5bf6623599
sha512
a7bd0d73ecbd7f7130ef9ef94517769a766381a1760d5e29b603718100910a0e0b15297d2fb45faba59bc6e6b74dd77623bd6867a8115f69a6a0d927052525f2
ripemd-160
483ac89bd36296de228715f8239822c51e3cf46b
Diameter
25283610
Circumference
79430803.432229
Area
5.0207436399179E+14
Volume
8.4628349401109E+21
Surface area
2.0082974559672E+15
Circumference
79430803.432229
Perimeter
50567220
Area
159815233658025
Diagonal
17878212.083876
Surface area
958891401948150
Volume
2.0203530199342E+21
Space diagonal
21896248.559378
Perimeter
37925415
Area
69202026129798
Altitude
10948124.279689
Surface area
69202026129798
Volume
2.381008867977E+20
Height
5959404.0279587