12721842 is an even 8-digits composite number following 12721841
and preceding 12721843 . In scientific notation, it is written as 1.2721842 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors.
There are 3516480 positive integers (up to 12721842) that are relatively prime to 12721842.
12721842 has 32 divisors, whose sum is 27523584
The reverse of 12721842 is 24812721
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twelve million seven hundred twenty-one thousand eight hundred forty-two
Scientific notation
1.2721842 × 10^7
Engineering notation
1.2721842 × 10^6
Prime Factorization
2 × 3 × 21 × 31 × 3257
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
12721842
Product of the distinct prime numbers
The prime factorization of 12721842 is 2 × 3 × 21 × 31 × 3257.
Since it has a total of 5 prime factors.
1 , 5 , 28 , 43 , 380 , 937 , 6004 , 6582 , 61738 , 74830 , 278713 , 871001 , 6081510 , 7177919 , 2691605 , 66165706 , 387709430 , 227419011 , 2318492909 , 5993779990
n×2
25443684
n×3
38165526
n×4
50887368
n×5
63609210
n÷2
6360921
n÷3
4240614
n÷3
3180460.5
n÷5
2544368.4
n2
161845263872964
n3
2.0589698754402E+21
n4
2.6193889438109E+28
n5
3.332345227971E+35
2 √n
3566.7691262542
3 √n
233.44433131624
4 √n
59.722434028212
5 √n
26.357851054549
1 , 2 , 3 , 6 , 21 , 31 , 42 , 62 , 63 , 93 , 126 , 186 , 651 , 1302 , 1953 , 3257 , 3906 , 6514 , 9771 , 19542 , 68397 , 100967 , 136794 , 201934 , 205191 , 302901 , 410382 , 605802 , 2120307 , 4240614 , 6360921 , 12721842
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12721841
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12721842 can be divided by 32 positive divisors.
The sum of these divisors (counting 12721842) is 1, the average is 0.03125.
Base
System
Value
2
Binary
110000100001111010110010
3
Ternary
212221100002100
4
Quaternary
300201322302
5
Quinary
11224044332
6
Senary
1132401230
8
Octal
60417262
10
Decimal
12721842
12
Duodecimal
4316216
16
Hexadecimal
c21eb2
20
Vigesimal
3ja4c2
36
Base36
7ko8i
md5
2ec2a28671dfdf83591e73d0828c65db
sha1
24e175c74d663b08bf5beeb4acbe7371b5fdbeb9
sha256
67798d1cccc49f90ef3f6a6a65828bae6d406c8115098392c5985ff32406cb93
sha512
9b7dc3adcc17f334b55741b374f90fb5db569d6508c3f43debdfd93c569612836a1c220a4735ff8c2d6c215468d7bd9ce07dd4cccda47455334b5a4a7b4eef4a
ripemd-160
59f294b95f01e3721c02b766b5f305b836192102
Diameter
25443684
Circumference
79933690.73466
Area
5.0845189200161E+14
Volume
8.624592846194E+21
Surface area
2.0338075680064E+15
Circumference
79933690.73466
Perimeter
50887368
Area
161845263872964
Diagonal
17991401.494768
Surface area
971071583237784
Volume
2.0589698754402E+21
Space diagonal
22034876.709864
Perimeter
38165526
Area
70081054998091
Altitude
11017438.354932
Surface area
70081054998091
Volume
2.4265192686376E+20
Height
5997133.8315892