12748691 is an odd 8-digits composite number following 12748690
and preceding 12748692 . In scientific notation, it is written as 1.2748691 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 11998752 positive integers (up to 12748691) that are relatively prime to 12748691.
12748691 has 4 divisors, whose sum is 13498632
The reverse of 12748691 is 19684721
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twelve million seven hundred forty-eight thousand six hundred ninety-one
Scientific notation
1.2748691 × 10^7
Engineering notation
1.2748691 × 10^6
Prime Factorization
17 × 749923
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12748691
Product of the distinct prime numbers
The prime factorization of 12748691 is 17 × 749923.
Since it has a total of 2 prime factors.
8 , 5 , 48 , 85 , 583 , 974 , 1108 , 2470 , 28924 , 50771 , 369580 , 493548 , 998466 , 4416258 , 70056889 , 27254039 , 966664214 , 323324009 , 6651163239 , 7390812072
n×2
25497382
n×3
38246073
n×4
50994764
n×5
63743455
n÷2
6374345.5
n÷3
4249563.6666667
n÷3
3187172.75
n÷5
2549738.2
n2
162529122213481
n3
2.0720335576009E+21
n4
2.6415715567485E+28
n5
3.3676579531375E+35
2 √n
3570.5309129036
3 √n
233.60844127054
4 √n
59.753919644686
5 √n
26.368967137946
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
-12748690
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 12748691 can be divided by 4 positive divisors.
The sum of these divisors (counting 12748691) is 1, the average is 0.25.
Base
System
Value
2
Binary
110000101000011110010011
3
Ternary
212222200220202
4
Quaternary
300220132103
5
Quinary
11230424231
6
Senary
1133125415
8
Octal
60503623
10
Decimal
12748691
12
Duodecimal
432986b
16
Hexadecimal
c28793
20
Vigesimal
3jdbeb
36
Base36
7l8yb
md5
fafd6781ced7da9748e614ed1c8d2779
sha1
5cf8979496a27f69b7d6847e338e88a81febe236
sha256
9a1cc1bcce8b13cb50ac877c7869e148ed9a4952f0196b76a0f132f16b76f384
sha512
67acddaf00f4bd467057dc18a917031934b2a8beae1ab8fc7c1d4c16893930e7877f81979e71f79a1fd980ddf421ac3845341a1432fc0292ea5e5ea933a96be2
ripemd-160
7ddd846b642d5ff522ac56abcd684a5e44059158
Diameter
25497382
Circumference
80102387.976973
Area
5.1060029634027E+14
Volume
8.6793138700674E+21
Surface area
2.0424011853611E+15
Circumference
80102387.976973
Perimeter
50994764
Area
162529122213481
Diagonal
18029371.714704
Surface area
975174733280886
Volume
2.0720335576009E+21
Space diagonal
22081380.541996
Perimeter
38246073
Area
70377174345830
Altitude
11040690.270998
Surface area
70377174345830
Volume
2.4419149657095E+20
Height
6009790.5715679