12939145 is an odd 8-digits composite number following 12939144
and preceding 12939146 . In scientific notation, it is written as 1.2939145 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 10351312 positive integers (up to 12939145) that are relatively prime to 12939145.
12939145 has 4 divisors, whose sum is 15526980
The reverse of 12939145 is 54193921
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twelve million nine hundred thirty-nine thousand one hundred forty-five
Scientific notation
1.2939145 × 10^7
Engineering notation
1.2939145 × 10^6
Prime Factorization
5 × 2587829
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12939145
Product of the distinct prime numbers
The prime factorization of 12939145 is 5 × 2587829.
Since it has a total of 2 prime factors.
10 , 5 , 8 , 77 , 20 , 802 , 2101 , 7171 , 26890 , 74447 , 558374 , 596932 , 7536688 , 2034940 , 58446853 , 59735506 , 955767155 , 19441577 , 5752703830 , 1083694951
n×2
25878290
n×3
38817435
n×4
51756580
n×5
64695725
n÷2
6469572.5
n÷3
4313048.3333333
n÷3
3234786.25
n÷5
2587829
n2
167421473331025
n3
2.1662907195438E+21
n4
2.8029949732331E+28
n5
3.6268358392934E+35
2 √n
3597.1023060236
3 √n
234.7659961283
4 √n
59.975847689079
5 √n
26.447286258894
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
-12939144
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 12939145 can be divided by 4 positive divisors.
The sum of these divisors (counting 12939145) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001010110111110001001
3
Ternary
220100101011121
4
Quaternary
301112332021
5
Quinary
11303023040
6
Senary
1141155241
8
Octal
61267611
10
Decimal
12939145
12
Duodecimal
43bbb21
16
Hexadecimal
c56f89
20
Vigesimal
40h7h5
36
Base36
7pbwp
md5
5d58aa2997f4aef9fdc9318d10e74374
sha1
30d835e38f88289f51c981df987dddb70596a8b1
sha256
31601851b7c16630121875958e6f5ec698dbbb80061993bcaf7fd0cbfd9f5491
sha512
b6fd3367e14685e5dea420d2bbfe1a124db6abdb09d4c72e36df78985ba7d81a4828a1d20b3217713d3eed2429136f2654049dc4f7af33734fb15b7b2f5a3a85
ripemd-160
7ca8da04795e3f58b22c99b57ff8ac90141133d6
Diameter
25878290
Circumference
81299045.751466
Area
5.2597007066993E+14
Volume
9.0741373467446E+21
Surface area
2.1038802826797E+15
Circumference
81299045.751466
Perimeter
51756580
Area
167421473331025
Diagonal
18298714.344512
Surface area
1004528839986150
Volume
2.1662907195438E+21
Space diagonal
22411256.546501
Perimeter
38817435
Area
72495624521843
Altitude
11205628.27325
Surface area
72495624521843
Volume
2.5529980963515E+20
Height
6099571.4481707