12908081 is an odd 8-digits composite number following 12908080
and preceding 12908082 . In scientific notation, it is written as 1.2908081 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 12774912 positive integers (up to 12908081) that are relatively prime to 12908081.
12908081 has 4 divisors, whose sum is 13041252
The reverse of 12908081 is 18080921
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twelve million nine hundred eight thousand eighty-one
Scientific notation
1.2908081 × 10^7
Engineering notation
1.2908081 × 10^6
Prime Factorization
97 × 133073
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12908081
Product of the distinct prime numbers
The prime factorization of 12908081 is 97 × 133073.
Since it has a total of 2 prime factors.
10 , 5 , 55 , 41 , 882 , 681 , 5200 , 5586 , 36021 , 62194 , 858638 , 799659 , 4899368 , 5596184 , 85269857 , 19828769 , 518780974 , 528719284 , 9397613205 , 7887281615
n×2
25816162
n×3
38724243
n×4
51632324
n×5
64540405
n÷2
6454040.5
n÷3
4302693.6666667
n÷3
3227020.25
n÷5
2581616.2
n2
166618555102561
n3
2.1507258053668E+21
n4
2.7761742904465E+28
n5
3.5835082611201E+35
2 √n
3592.7817913144
3 √n
234.57797198901
4 √n
59.939818078756
5 √n
26.434575239887
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12908080
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12908081 can be divided by 4 positive divisors.
The sum of these divisors (counting 12908081) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001001111011000110001
3
Ternary
220021210120002
4
Quaternary
301033120301
5
Quinary
11301024311
6
Senary
1140355345
8
Octal
61173061
10
Decimal
12908081
12
Duodecimal
43a5b55
16
Hexadecimal
c4f631
20
Vigesimal
40da41
36
Base36
7onxt
md5
1680b81cb1d666d0b2477b123a45dea3
sha1
544d675d6b609b24bd012d94273b80de10c0d269
sha256
790a1fa139ba1e87bce06574b002ff273405a53e3f91e75a6403002effb91659
sha512
373b92f3eccaecefd4ff7dab9e1cc3f56a25f9354367257b68f99f877fc43bd67faf01d0d23dd57bb22bfccdb5cdbbb2c91975bcb8637ffcb894687f78e92d16
ripemd-160
e928acdc60359b59d94e41e932029e1df871320a
Diameter
25816162
Circumference
81103864.883084
Area
5.2344762866195E+14
Volume
9.0089391867019E+21
Surface area
2.0937905146478E+15
Circumference
81103864.883084
Perimeter
51632324
Area
166618555102561
Diagonal
18254783.21441
Surface area
999711330615366
Volume
2.1507258053668E+21
Space diagonal
22357452.120214
Perimeter
38724243
Area
72147950730338
Altitude
11178726.060107
Surface area
72147950730338
Volume
2.5346546690796E+20
Height
6084927.7381368