12981396 is an even 8-digits composite number following 12981395
and preceding 12981397 . In scientific notation, it is written as 1.2981396 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors.
There are 4245280 positive integers (up to 12981396) that are relatively prime to 12981396.
12981396 has 24 divisors, whose sum is 30862944
The reverse of 12981396 is 69318921
Previous prime number is 53
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twelve million nine hundred eighty-one thousand three hundred ninety-six
Scientific notation
1.2981396 × 10^7
Engineering notation
1.2981396 × 10^6
Prime Factorization
2 × 2 × 3 × 53 × 20411
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
6490698
Product of the distinct prime numbers
The prime factorization of 12981396 is 2 × 2 × 3 × 53 × 20411.
Since it has a total of 5 prime factors.
2 , 5 , 18 , 8 , 695 , 478 , 7934 , 6552 , 30718 , 80803 , 856704 , 852503 , 147310 , 2624700 , 86875881 , 84357688 , 491986869 , 997964016 , 1875720577 , 8319676495
n×2
25962792
n×3
38944188
n×4
51925584
n×5
64906980
n÷2
6490698
n÷3
4327132
n÷3
3245349
n÷5
2596279.2
n2
168516642108816
n3
2.1875812638048E+21
n4
2.8397858667631E+28
n5
3.6864384891655E+35
2 √n
3602.9704411777
3 √n
235.02125053039
4 √n
60.024748572382
5 √n
26.464535739081
1 , 2 , 3 , 4 , 6 , 12 , 53 , 106 , 159 , 212 , 318 , 636 , 20411 , 40822 , 61233 , 81644 , 122466 , 244932 , 1081783 , 2163566 , 3245349 , 4327132 , 6490698 , 12981396
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12981395
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12981396 can be divided by 24 positive divisors.
The sum of these divisors (counting 12981396) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
110001100001010010010100
3
Ternary
220102112010110
4
Quaternary
301201102110
5
Quinary
11310401041
6
Senary
1142123020
8
Octal
61412224
10
Decimal
12981396
12
Duodecimal
4420470
16
Hexadecimal
c61494
20
Vigesimal
412d9g
36
Base36
7q8ic
md5
5e0cff352126d153b6b7e29c5d6302c5
sha1
d5be4cda95c38584bc46735b32b396a872f711fa
sha256
37ca7eee49282dc2dfffc7d33d746d0629ea68a7b8bbcc90e9db4c95ae9cca99
sha512
dd678f32ec96a2b6476b95461fe38a3512248aa13c3935f2fb183bebeda56af8ddcdacef7210b14b105c1ad05b75c7e41e401d995f52b5ce72a784439cc78712
ripemd-160
9962fadf93602af0dfa7e6939347e9275c977cfd
Diameter
25962792
Circumference
81564516.61388
Area
5.2941064485668E+14
Volume
9.1633189699998E+21
Surface area
2.1176425794267E+15
Circumference
81564516.61388
Perimeter
51925584
Area
168516642108816
Diagonal
18358466.281736
Surface area
1011099852652896
Volume
2.1875812638048E+21
Space diagonal
22484437.425171
Perimeter
38944188
Area
72969846513343
Altitude
11242218.712586
Surface area
72969846513343
Volume
2.5780892433884E+20
Height
6119488.7605786