128434238 is an even 9-digits composite number following 128434237
and preceding 128434239 . In scientific notation, it is written as 1.28434238 × 10^8.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 64217118 positive integers (up to 128434238) that are relatively prime to 128434238.
128434238 has 4 divisors, whose sum is 192651360
The reverse of 128434238 is 832434821
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 35
Digital Root 8
Name
one hundred twenty-eight million four hundred thirty-four thousand two hundred thirty-eight
Scientific notation
1.28434238 × 10^8
Engineering notation
1.28434238 × 10^6
Prime Factorization
2 × 64217119
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128434238
Product of the distinct prime numbers
The prime factorization of 128434238 is 2 × 64217119.
Since it has a total of 2 prime factors.
5 , 4 , 17 , 77 , 159 , 606 , 7501 , 6516 , 59806 , 95743 , 833057 , 967159 , 5063740 , 5884505 , 98538301 , 58234354 , 965629002 , 840649483 , 4114316444 , 9779997028
n×2
256868476
n×3
385302714
n×4
513736952
n×5
642171190
n÷2
64217119
n÷3
42811412.666667
n÷3
32108559.5
n÷5
25686847.6
n2
16495353490640644
n3
2.1185681561111E+24
n4
2.7209668678119E+32
n5
3.4946530629067E+40
2 √n
11332.883040074
3 √n
504.5376783724
4 √n
106.45601457914
5 √n
41.85392219912
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
-128434237
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 128434238 can be divided by 4 positive divisors.
The sum of these divisors (counting 128434238) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101001111100000000111110
3
Ternary
22221200010122122
4
Quaternary
13221330000332
5
Quinary
230334343423
6
Senary
20424442542
8
Octal
751740076
10
Decimal
128434238
12
Duodecimal
37019452
16
Hexadecimal
7a7c03e
20
Vigesimal
202e5bi
36
Base36
24gshq
md5
e2ecf49295d5d7a8cd3da082405984a2
sha1
26749264ffb1f5e3279abb67872de5419badcfa1
sha256
793b0f204baa05adf72269bd909cf58c49456413d20ef84b25aa2870e9665f37
sha512
91b60fb7f0751cd2ba37f0c93815d6cbcec33711652776feda53e3fdfad792966e0d0e457fa0abd8b55c0dfb8b5a469d59152d6fdb664ca58d941049c43b7cc7
ripemd-160
299be1e6c1d99e6c4254a23cbc409f403072a22f
Diameter
256868476
Circumference
806976117.14041
Area
5.1821681344563E+16
Volume
8.8742375404904E+24
Surface area
2.0728672537825E+17
Circumference
806976117.14041
Perimeter
513736952
Area
16495353490640644
Diagonal
181633441.25265
Surface area
98972120943843864
Volume
2.1185681561111E+24
Space diagonal
222454625.64739
Perimeter
385302714
Area
7.1426975836496E+15
Altitude
111227312.8237
Surface area
7.1426975836496E+15
Volume
2.4967565159867E+23
Height
60544480.417551