12657989 is an odd 8-digits composite number following 12657988
and preceding 12657990 . In scientific notation, it is written as 1.2657989 × 10^7.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 12648000 positive integers (up to 12657989) that are relatively prime to 12657989.
12657989 has 4 divisors, whose sum is 12667980
The reverse of 12657989 is 98975621
Previous prime number is 1489
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
twelve million six hundred fifty-seven thousand nine hundred eighty-nine
Scientific notation
1.2657989 × 10^7
Engineering notation
1.2657989 × 10^6
Prime Factorization
1489 × 8501
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12657989
Product of the distinct prime numbers
The prime factorization of 12657989 is 1489 × 8501.
Since it has a total of 2 prime factors.
3 , 7 , 1 , 28 , 310 , 872 , 8447 , 109 , 89881 , 19782 , 160988 , 525525 , 7424834 , 3064975 , 35129310 , 96941201 , 257531392 , 978285110 , 4453616962 , 3762708741
n×2
25315978
n×3
37973967
n×4
50631956
n×5
63289945
n÷2
6328994.5
n÷3
4219329.6666667
n÷3
3164497.25
n÷5
2531597.8
n2
160224685524121
n3
2.0281223068928E+21
n4
2.5671949851303E+28
n5
3.2495525882635E+35
2 √n
3557.8067682211
3 √n
233.05311099318
4 √n
59.647353405001
5 √n
26.331338902747
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
-12657988
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 12657989 can be divided by 4 positive divisors.
The sum of these divisors (counting 12657989) is 1, the average is 0.25.
Base
System
Value
2
Binary
110000010010010101000101
3
Ternary
212211002111102
4
Quaternary
300102111011
5
Quinary
11220023424
6
Senary
1131145445
8
Octal
60222505
10
Decimal
12657989
12
Duodecimal
42a5285
16
Hexadecimal
c12545
20
Vigesimal
3j24j9
36
Base36
7jayt
md5
c270c889deff5d7a3ed8717b42f29b25
sha1
9e6e4eeb57d875bf75c44faeaed3ba59a1dbb617
sha256
4ad0a38ad1f129103ba8bff62dd568cc5397c790bdefe5f55790f1c6fc2c6571
sha512
989a2dd688ebf9b0c8a4d74a42dbbf88a1868bd620fcbc1c54798b51238f4c2aa708432d51205e2b99ac7f199f1c2e123a08273c1b9482035eaba9d06459fa1d
ripemd-160
de9eec25e41160da01b8ea66c5fa68826721c086
Diameter
25315978
Circumference
79532490.503241
Area
5.0336069496631E+14
Volume
8.4953788532213E+21
Surface area
2.0134427798653E+15
Circumference
79532490.503241
Perimeter
50631956
Area
160224685524121
Diagonal
17901099.716169
Surface area
961348113144726
Volume
2.0281223068928E+21
Space diagonal
21924280.069648
Perimeter
37973967
Area
69379323988631
Altitude
10962140.034824
Surface area
69379323988631
Volume
2.390165060466E+20
Height
5967033.2387232