12781325 is an odd 8-digits composite number following 12781324
and preceding 12781326 . In scientific notation, it is written as 1.2781325 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors.
There are 10172400 positive integers (up to 12781325) that are relatively prime to 12781325.
12781325 has 12 divisors, whose sum is 15930528
The reverse of 12781325 is 52318721
Previous prime number is 211
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twelve million seven hundred eighty-one thousand three hundred twenty-five
Scientific notation
1.2781325 × 10^7
Engineering notation
1.2781325 × 10^6
Prime Factorization
5 × 5 × 211 × 2423
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2556265
Product of the distinct prime numbers
The prime factorization of 12781325 is 5 × 5 × 211 × 2423.
Since it has a total of 4 prime factors.
6 , 2 , 22 , 60 , 894 , 747 , 7965 , 4585 , 61273 , 7702 , 688582 , 831250 , 4649340 , 9172600 , 41327832 , 17264108 , 560089619 , 680246153 , 9337705233 , 1713712597
n×2
25562650
n×3
38343975
n×4
51125300
n×5
63906625
n÷2
6390662.5
n÷3
4260441.6666667
n÷3
3195331.25
n÷5
2556265
n2
163362268755625
n3
2.087986249703E+21
n4
2.6687230852985E+28
n5
3.4109817088203E+35
2 √n
3575.0979007574
3 √n
233.80760112108
4 √n
59.792122397164
5 √n
26.38245315182
1 , 5 , 25 , 211 , 1055 , 2423 , 5275 , 12115 , 60575 , 511253 , 2556265 , 12781325
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12781324
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12781325 can be divided by 12 positive divisors.
The sum of these divisors (counting 12781325) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
110000110000011100001101
3
Ternary
220001100200102
4
Quaternary
300300130031
5
Quinary
11233000300
6
Senary
1133540445
8
Octal
60603415
10
Decimal
12781325
12
Duodecimal
4344725
16
Hexadecimal
c3070d
20
Vigesimal
3jhd65
36
Base36
7ly4t
md5
fbc60d90e8beb0f5a4d6784edd5a3c33
sha1
4d6b6fb9c80e65d62afa323ebc89a65e36715aa8
sha256
2b889dbca2f563bb9e9fdf0cb2f3e87c3d0965808c0da3d3f3a8a20a5b85fc06
sha512
d5099324b8493dd06a86af2c8250b4a86ccac5b10fbcd7395d434409c72f796f5f075824c336ca368e11198470d6a749686b41bc83d12e7bc0efe7424aa504e1
ripemd-160
3ceff3ea3a8d817176f8a9e4cfab44a45f63a1d1
Diameter
25562650
Circumference
80307433.446287
Area
5.1321770339643E+14
Volume
8.7461363504845E+21
Surface area
2.0528708135857E+15
Circumference
80307433.446287
Perimeter
51125300
Area
163362268755625
Diagonal
18075523.160098
Surface area
980173612533750
Volume
2.087986249703E+21
Space diagonal
22137904.28805
Perimeter
38343975
Area
70737937381116
Altitude
11068952.144025
Surface area
70737937381116
Volume
2.4607153936488E+20
Height
6025174.3866994