12442721 is an odd 8-digits composite number following 12442720
and preceding 12442722 . In scientific notation, it is written as 1.2442721 × 10^7.
The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors.
There are 12055680 positive integers (up to 12442721) that are relatively prime to 12442721.
12442721 has 8 divisors, whose sum is 12834024
The reverse of 12442721 is 12724421
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twelve million four hundred forty-two thousand seven hundred twenty-one
Scientific notation
1.2442721 × 10^7
Engineering notation
1.2442721 × 10^6
Prime Factorization
157 × 41 × 1933
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12442721
Product of the distinct prime numbers
The prime factorization of 12442721 is 157 × 41 × 1933.
Since it has a total of 3 prime factors.
7 , 6 , 67 , 63 , 55 , 739 , 6730 , 4904 , 51528 , 21369 , 91054 , 171760 , 3638489 , 5189233 , 60176590 , 28005878 , 880580775 , 495174164 , 6630324785 , 40746444
n×2
24885442
n×3
37328163
n×4
49770884
n×5
62213605
n÷2
6221360.5
n÷3
4147573.6666667
n÷3
3110680.25
n÷5
2488544.2
n2
154821305883841
n3
1.9263983139683E+21
n4
2.3969636755578E+28
n5
2.98247502621E+35
2 √n
3527.4241310055
3 √n
231.72441141734
4 √n
59.392121792419
5 √n
26.241162619822
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12442720
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12442721 can be divided by 8 positive divisors.
The sum of these divisors (counting 12442721) is 1, the average is 0.125.
Base
System
Value
2
Binary
101111011101110001100001
3
Ternary
212102011012112
4
Quaternary
233131301201
5
Quinary
11141131341
6
Senary
1122405105
8
Octal
57356141
10
Decimal
12442721
12
Duodecimal
4200795
16
Hexadecimal
bddc61
20
Vigesimal
3hf6g1
36
Base36
7eov5
md5
9ece3d5221eeab1b3227d4ec18abb73e
sha1
c8a06c38bc2f1c699fc7d757fb2103d8f0566f41
sha256
7bb363cc700e97513f81532c4c8cb6dfe507b6b6d567343515852b0f5fbcb325
sha512
622856e09a58eecdaefb609a1f823b40bef3ff4cee2372319414a7fb2c0d2de1443d66cdf95a7b95b5d0e19e28aaa4c08389bff414a88d4c0e599d85cc27ac02
ripemd-160
6e7febbca723dbabd4022dcda818bd285ee827f2
Diameter
24885442
Circumference
78179921.768535
Area
4.8638547718385E+14
Volume
8.0692783880674E+21
Surface area
1.9455419087354E+15
Circumference
78179921.768535
Perimeter
49770884
Area
154821305883841
Diagonal
17596664.791025
Surface area
928927835303046
Volume
1.9263983139683E+21
Space diagonal
21551424.956404
Perimeter
37328163
Area
67039591971244
Altitude
10775712.478202
Surface area
67039591971244
Volume
2.2702821851222E+20
Height
5865554.9303415