12938895 is an odd 8-digits composite number following 12938894
and preceding 12938896 . In scientific notation, it is written as 1.2938895 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 6868800 positive integers (up to 12938895) that are relatively prime to 12938895.
12938895 has 16 divisors, whose sum is 17331840
The reverse of 12938895 is 59883921
Previous prime number is 271
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twelve million nine hundred thirty-eight thousand eight hundred ninety-five
Scientific notation
1.2938895 × 10^7
Engineering notation
1.2938895 × 10^6
Prime Factorization
9 × 5 × 271 × 1061
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12938895
Product of the distinct prime numbers
The prime factorization of 12938895 is 9 × 5 × 271 × 1061.
Since it has a total of 4 prime factors.
9 , 10 , 20 , 8 , 273 , 305 , 9079 , 8991 , 16377 , 54319 , 85743 , 11068 , 6600945 , 1070386 , 36842401 , 17533851 , 571327567 , 562419285 , 3407559793 , 5145341904
n×2
25877790
n×3
38816685
n×4
51755580
n×5
64694475
n÷2
6469447.5
n÷3
4312965
n÷3
3234723.75
n÷5
2587779
n2
167415003821025
n3
2.1661651558648E+21
n4
2.8027783504394E+28
n5
3.6264854784608E+35
2 √n
3597.0675556625
3 √n
234.76448413048
4 √n
59.97555798542
5 √n
26.447184059365
1 , 5 , 9 , 45 , 271 , 1061 , 1355 , 2439 , 5305 , 9549 , 12195 , 47745 , 287531 , 1437655 , 2587779 , 12938895
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
-12938894
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 12938895 can be divided by 16 positive divisors.
The sum of these divisors (counting 12938895) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001010110111010001111
3
Ternary
220100100211100
4
Quaternary
301112322033
5
Quinary
11303021040
6
Senary
1141154143
8
Octal
61267217
10
Decimal
12938895
12
Duodecimal
43bb953
16
Hexadecimal
c56e8f
20
Vigesimal
40h74f
36
Base36
7pbpr
md5
e8d0242de76c6986b5dc2dedd48c2b7c
sha1
4617e3c87772d40d3d22dbdcbb27fa6d2b4fd234
sha256
5dd18c9e802b9d631098ad7603f3aaa81c63019e707ca17355a2b6d6b1fc7d45
sha512
fc14d21a6bffba54b68335a501bf3f7705a001f070c95107e2fcb41e6cf7367277c578c9c994bd7ce6720f2c219aed13e620f0bd633676e52b60b533e7af5f0d
ripemd-160
9cc6b6f1aa79136780556f9614d75af6f6059fc4
Diameter
25877790
Circumference
81297474.955139
Area
5.2594974610484E+14
Volume
9.0736113868362E+21
Surface area
2.1037989844194E+15
Circumference
81297474.955139
Perimeter
51755580
Area
167415003821025
Diagonal
18298360.791121
Surface area
1004490022926150
Volume
2.1661651558648E+21
Space diagonal
22410823.533799
Perimeter
38816685
Area
72492823141838
Altitude
11205411.766899
Surface area
72492823141838
Volume
2.5528501181367E+20
Height
6099453.5970405