12648981 is an odd 8-digits composite number following 12648980
and preceding 12648982 . In scientific notation, it is written as 1.2648981 × 10^7.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 8432652 positive integers (up to 12648981) that are relatively prime to 12648981.
12648981 has 4 divisors, whose sum is 16865312
The reverse of 12648981 is 18984621
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twelve million six hundred forty-eight thousand nine hundred eighty-one
Scientific notation
1.2648981 × 10^7
Engineering notation
1.2648981 × 10^6
Prime Factorization
3 × 4216327
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12648981
Product of the distinct prime numbers
The prime factorization of 12648981 is 3 × 4216327.
Since it has a total of 2 prime factors.
5 , 7 , 22 , 73 , 237 , 51 , 1635 , 7268 , 1749 , 70514 , 903207 , 424210 , 2160502 , 7756566 , 79469432 , 81725711 , 69615458 , 957576188 , 3533502071 , 5627382472
n×2
25297962
n×3
37946943
n×4
50595924
n×5
63244905
n÷2
6324490.5
n÷3
4216327
n÷3
3162245.25
n÷5
2529796.2
n2
159996720338361
n3
2.0237954756222E+21
n4
2.5598950519032E+28
n5
3.2380063873517E+35
2 √n
3556.5405944541
3 √n
232.99781414688
4 √n
59.636738630261
5 √n
26.327590120084
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
-12648980
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 12648981 can be divided by 4 positive divisors.
The sum of these divisors (counting 12648981) is 1, the average is 0.25.
Base
System
Value
2
Binary
110000010000001000010101
3
Ternary
212210122010210
4
Quaternary
300100020111
5
Quinary
11214231411
6
Senary
1131040033
8
Octal
60201025
10
Decimal
12648981
12
Duodecimal
42a0019
16
Hexadecimal
c10215
20
Vigesimal
3j1291
36
Base36
7j40l
md5
0503bbd45c9fc1e50f413e33a61cba0a
sha1
cd25d733cde0e5cb4ffd269bcc7f585fbef01386
sha256
638ed330871c9b59afe583c648273b10db60c3ed7b7e8dedbe04761d842295a2
sha512
2c232c8a2f07e31bceeff79d324b33bd71bc7ec1e15b5a1b128479c8c1f5a858112ba86eeaf0de2bf064114d6a92c3ae919e9eaa5e33e66dfa9a947e7b382343
ripemd-160
f14bc4ce837fc24477b560f74effaafc80aeba4b
Diameter
25297962
Circumference
79475891.569994
Area
5.0264452121346E+14
Volume
8.4772546647775E+21
Surface area
2.0105780848538E+15
Circumference
79475891.569994
Perimeter
50595924
Area
159996720338361
Diagonal
17888360.4804
Surface area
959980322030166
Volume
2.0237954756222E+21
Space diagonal
21908677.755973
Perimeter
37946943
Area
69280612167607
Altitude
10954338.877987
Surface area
69280612167607
Volume
2.3850658409119E+20
Height
5962786.8267999