12656720 is an even 8-digits composite number following 12656719
and preceding 12656721 . In scientific notation, it is written as 1.2656720 × 10^7.
The sum of its digits is 29. It has a total of 6 prime factors and 20 positive divisors.
There are 5062656 positive integers (up to 12656720) that are relatively prime to 12656720.
12656720 has 20 divisors, whose sum is 29427060
The reverse of 12656720 is 02765621
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twelve million six hundred fifty-six thousand seven hundred twenty
Scientific notation
1.2656720 × 10^7
Engineering notation
1.2656720 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5 × 158209
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
1582090
Product of the distinct prime numbers
The prime factorization of 12656720 is 2 × 2 × 2 × 2 × 5 × 158209.
Since it has a total of 6 prime factors.
6 , 6 , 43 , 65 , 757 , 287 , 9093 , 4734 , 33911 , 46168 , 682176 , 349627 , 5432870 , 9806225 , 92479327 , 40950784 , 381063082 , 427319797 , 6640285070 , 4420603122
n×2
25313440
n×3
37970160
n×4
50626880
n×5
63283600
n÷2
6328360
n÷3
4218906.6666667
n÷3
3164180
n÷5
2531344
n2
160192561158400
n3
2.0275123926647E+21
n4
2.5661656650488E+28
n5
3.2479240296136E+35
2 √n
3557.6284235429
3 √n
233.04532265015
4 √n
59.645858393881
5 √n
26.330810923
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80 , 158209 , 316418 , 632836 , 791045 , 1265672 , 1582090 , 2531344 , 3164180 , 6328360 , 12656720
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12656719
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12656720 can be divided by 20 positive divisors.
The sum of these divisors (counting 12656720) is 1, the average is 0.05.
Base
System
Value
2
Binary
110000010010000001010000
3
Ternary
212211000202102
4
Quaternary
300102001100
5
Quinary
11220003340
6
Senary
1131135532
8
Octal
60220120
10
Decimal
12656720
12
Duodecimal
42a45a8
16
Hexadecimal
c12050
20
Vigesimal
3j21g0
36
Base36
7j9zk
md5
cb529d9227c1f4f262a2c63023543e42
sha1
7665dea52b5d9ad945c221b37c9863691947f848
sha256
c25b6f48ed301ea4b2d11b2402aeded95205b4d9addd89c94b6d8d97d157f703
sha512
569771677857ae91554e706b42bca53f743e35bd70c63f4f0be824bdcacea1c3dbaa7fd11404db7d09548ba0724b9a28608bf38b958603ef5668a7d6524753f1
ripemd-160
0b1e35170f56113d2cec9e20fc29e5329194a385
Diameter
25313440
Circumference
79524517.141086
Area
5.0325977329496E+14
Volume
8.4928240504771E+21
Surface area
2.0130390931799E+15
Circumference
79524517.141086
Perimeter
50626880
Area
160192561158400
Diagonal
17899305.079159
Surface area
961155366950400
Volume
2.0275123926647E+21
Space diagonal
21922082.097173
Perimeter
37970160
Area
69365413730233
Altitude
10961041.048587
Surface area
69365413730233
Volume
2.389446269655E+20
Height
5966435.0263863