128412268 is an even 9-digits composite number following 128412267
and preceding 128412269 . In scientific notation, it is written as 1.28412268 × 10^8.
The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors.
There are 64183392 positive integers (up to 128412268) that are relatively prime to 128412268.
128412268 has 12 divisors, whose sum is 224801080
The reverse of 128412268 is 862214821
Previous prime number is 5209
Is Prime? no
Number parity even
Number length 9
Sum of Digits 34
Digital Root 7
Name
one hundred twenty-eight million four hundred twelve thousand two hundred sixty-eight
Scientific notation
1.28412268 × 10^8
Engineering notation
1.28412268 × 10^6
Prime Factorization
2 × 2 × 5209 × 6163
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64206134
Product of the distinct prime numbers
The prime factorization of 128412268 is 2 × 2 × 5209 × 6163.
Since it has a total of 4 prime factors.
7 , 1 , 4 , 89 , 676 , 620 , 2610 , 8550 , 10241 , 30742 , 92747 , 235956 , 3091101 , 7536387 , 91037127 , 55572542 , 72139240 , 793867755 , 9766361359 , 7450419962
n×2
256824536
n×3
385236804
n×4
513649072
n×5
642061340
n÷2
64206134
n÷3
42804089.333333
n÷3
32103067
n÷5
25682453.6
n2
16489710572903824
n3
2.1174811333302E+24
n4
2.7191055477814E+32
n5
3.4916651032199E+40
2 √n
11331.9136954
3 √n
504.50890794203
4 √n
106.45146168748
5 √n
41.852490192188
1 , 2 , 4 , 5209 , 6163 , 10418 , 12326 , 20836 , 24652 , 32103067 , 64206134 , 128412268
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128412267
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128412268 can be divided by 12 positive divisors.
The sum of these divisors (counting 128412268) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101001110110101001101100
3
Ternary
22221122000111221
4
Quaternary
13221312221230
5
Quinary
230333143033
6
Senary
20424153124
8
Octal
751665154
10
Decimal
128412268
12
Duodecimal
370087a4
16
Hexadecimal
7a76a6c
20
Vigesimal
202bad8
36
Base36
24gbjg
md5
af2500459f7074b96d1176df3e1479f6
sha1
4751ea2575f821d53fca10d341d768f01d9868b6
sha256
166fd8b9ae26cd53951ca9ec93a1588dcc2af757d35e4fda4f768532f6cd4563
sha512
7c8a38f052e4a5aa42abdfaee02aeef3eb6fcdc87a81ed7ba6a05e752b5f256d822cacdbe3294c3d157c06536d32ce81ce68d299444b2b8e2e3aa14857694474
ripemd-160
3fc1591d56eaa3050af4a955516445c305dc3e56
Diameter
256824536
Circumference
806838075.55921
Area
5.1803953595657E+16
Volume
8.8696842301134E+24
Surface area
2.0721581438263E+17
Circumference
806838075.55921
Perimeter
513649072
Area
16489710572903824
Diagonal
181602370.98069
Surface area
98938263437422944
Volume
2.1174811333302E+24
Space diagonal
222416572.49115
Perimeter
385236804
Area
7.1402541285938E+15
Altitude
111208286.24558
Surface area
7.1402541285938E+15
Volume
2.4954754473539E+23
Height
60534123.66023