12457621 is an odd 8-digits composite number following 12457620
and preceding 12457622 . In scientific notation, it is written as 1.2457621 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 11325100 positive integers (up to 12457621) that are relatively prime to 12457621.
12457621 has 4 divisors, whose sum is 13590144
The reverse of 12457621 is 12675421
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twelve million four hundred fifty-seven thousand six hundred twenty-one
Scientific notation
1.2457621 × 10^7
Engineering notation
1.2457621 × 10^6
Prime Factorization
11 × 1132511
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12457621
Product of the distinct prime numbers
The prime factorization of 12457621 is 11 × 1132511.
Since it has a total of 2 prime factors.
3 , 5 , 13 , 49 , 142 , 702 , 8435 , 7004 , 3105 , 74210 , 585289 , 2322 , 5136028 , 4130609 , 6049140 , 31232720 , 9227570 , 709167215 , 7257610552 , 8260314068
n×2
24915242
n×3
37372863
n×4
49830484
n×5
62288105
n÷2
6228810.5
n÷3
4152540.3333333
n÷3
3114405.25
n÷5
2491524.2
n2
155192320979641
n3
1.9333271168747E+21
n4
2.4084656491048E+28
n5
3.0003752248066E+35
2 √n
3529.5355218499
3 √n
231.81687019868
4 √n
59.409894141042
5 √n
26.247444303284
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
-12457620
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 12457621 can be divided by 4 positive divisors.
The sum of these divisors (counting 12457621) is 1, the average is 0.25.
Base
System
Value
2
Binary
101111100001011010010101
3
Ternary
212102220122101
4
Quaternary
233201122111
5
Quinary
11142120441
6
Senary
1123002101
8
Octal
57413225
10
Decimal
12457621
12
Duodecimal
4209331
16
Hexadecimal
be1695
20
Vigesimal
3hh411
36
Base36
7f0d1
md5
e00aa39ec47bb8af4ffacdee975ef169
sha1
2d52f1d0c81dc6cd375915747ae091202200f01e
sha256
0d431ad6f059bbfe12a9eb20ecce08816dfcb45a66981ab687410eeaa382ba6f
sha512
20f99333fea22d0ffebdad32787d4df94b9c13a41ea9d7449ffdf40ab413199600cff42da71a87cf6f413a675a33f430aa0abcf8874dab233e3c77a550292777
ripemd-160
cadba1fbf5c5c53269cfc5858ae866a78bbf0654
Diameter
24915242
Circumference
78273541.229612
Area
4.8755105548319E+14
Volume
8.0983016898127E+21
Surface area
1.9502042219328E+15
Circumference
78273541.229612
Perimeter
49830484
Area
155192320979641
Diagonal
17617736.573104
Surface area
931153925877846
Volume
1.9333271168747E+21
Space diagonal
21577232.513437
Perimeter
37372863
Area
67200246220319
Altitude
10788616.256719
Surface area
67200246220319
Volume
2.2784478576566E+20
Height
5872578.8577013