12742721 is an odd 8-digits composite number following 12742720
and preceding 12742722 . In scientific notation, it is written as 1.2742721 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 12730500 positive integers (up to 12742721) that are relatively prime to 12742721.
12742721 has 4 divisors, whose sum is 12754944
The reverse of 12742721 is 12724721
Previous prime number is 1151
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twelve million seven hundred forty-two thousand seven hundred twenty-one
Scientific notation
1.2742721 × 10^7
Engineering notation
1.2742721 × 10^6
Prime Factorization
1151 × 11071
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12742721
Product of the distinct prime numbers
The prime factorization of 12742721 is 1151 × 11071.
Since it has a total of 2 prime factors.
9 , 8 , 91 , 28 , 509 , 675 , 2238 , 3774 , 90226 , 4393 , 265514 , 395650 , 4290773 , 9777875 , 14052731 , 3113684 , 621664830 , 801620418 , 7407521880 , 4290877530
n×2
25485442
n×3
38228163
n×4
50970884
n×5
63713605
n÷2
6371360.5
n÷3
4247573.6666667
n÷3
3185680.25
n÷5
2548544.2
n2
162376938483841
n3
2.0691240239337E+21
n4
2.6366270151385E+28
n5
3.3597802434973E+35
2 √n
3569.6948048818
3 √n
233.57197059427
4 √n
59.746922974173
5 √n
26.366497045456
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
-12742720
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 12742721 can be divided by 4 positive divisors.
The sum of these divisors (counting 12742721) is 1, the average is 0.25.
Base
System
Value
2
Binary
110000100111000001000001
3
Ternary
212222101201122
4
Quaternary
300213001001
5
Quinary
11230231341
6
Senary
1133042025
8
Octal
60470101
10
Decimal
12742721
12
Duodecimal
4326315
16
Hexadecimal
c27041
20
Vigesimal
3jcgg1
36
Base36
7l4ch
md5
d7457268d0cc48979a8440295e8a60a1
sha1
3ab1caec9f8e66ab587d70af5a3fdc41feecb9d8
sha256
eea983ad10d096fb24bab1a2f6a25345e6ec5c937ca981c60e09bfd490fff2c6
sha512
205862ebd5ecf6a466ff7b7e5d69b6c518c42e6d35bbe83406ebe76c98d856cf227b9e40d65e045475118b3347ddc9ecdb06e7d950eb78796e2d6579fecc6671
ripemd-160
7c1e20645ab6353bd837ad5f19be4128e590362d
Diameter
25485442
Circumference
80064877.360689
Area
5.1012219705324E+14
Volume
8.6671264439419E+21
Surface area
2.0404887882129E+15
Circumference
80064877.360689
Perimeter
50970884
Area
162376938483841
Diagonal
18020928.859736
Surface area
974261630903046
Volume
2.0691240239337E+21
Space diagonal
22071040.198675
Perimeter
38228163
Area
70311276857875
Altitude
11035520.099337
Surface area
70311276857875
Volume
2.4384860473993E+20
Height
6006976.2865788