128405422 is an even 9-digits composite number following 128405421
and preceding 128405423 . In scientific notation, it is written as 1.28405422 × 10^8.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 64202710 positive integers (up to 128405422) that are relatively prime to 128405422.
128405422 has 4 divisors, whose sum is 192608136
The reverse of 128405422 is 224504821
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 28
Digital Root 1
Name
one hundred twenty-eight million four hundred five thousand four hundred twenty-two
Scientific notation
1.28405422 × 10^8
Engineering notation
1.28405422 × 10^6
Prime Factorization
2 × 64202711
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128405422
Product of the distinct prime numbers
The prime factorization of 128405422 is 2 × 64202711.
Since it has a total of 2 prime factors.
4 , 10 , 93 , 63 , 394 , 451 , 5081 , 8321 , 63029 , 15057 , 527729 , 347804 , 4853231 , 2794086 , 4807274 , 92998653 , 127716128 , 2099017 , 8251313502 , 3836356803
n×2
256810844
n×3
385216266
n×4
513621688
n×5
642027110
n÷2
64202711
n÷3
42801807.333333
n÷3
32101355.5
n÷5
25681084.4
n2
16487952398998084
n3
2.1171424857093E+24
n4
2.7185257431163E+32
n5
3.4907344526271E+40
2 √n
11331.611624125
3 √n
504.49994221153
4 √n
106.45004285638
5 √n
41.852043929129
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
-128405421
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 128405422 can be divided by 4 positive divisors.
The sum of these divisors (counting 128405422) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101001110100111110101110
3
Ternary
22221121200010101
4
Quaternary
13221310332232
5
Quinary
230332433142
6
Senary
20424101314
8
Octal
751647656
10
Decimal
128405422
12
Duodecimal
3700483a
16
Hexadecimal
7a74fae
20
Vigesimal
202adb2
36
Base36
24g69a
md5
78ee141ab80de2d040630f170952f389
sha1
8b62d2a8d6adc3d322cb199750339a66e1150879
sha256
6de98777707ad9ceeaf3f97ea07b29610de32a16d342097c363dadf82f43435c
sha512
a2d5733a519fefa04f48ddf7a711132e59ee902d80a473e3983eefaf36779853d3a930ae6ec53f29ab9c6dcd4eb69d3c609501205f7ffc758b5563742db17cba
ripemd-160
0c88dd07cdcb6bda817f46c18b72e1ec220e0cc4
Diameter
256810844
Circumference
806795060.87259
Area
5.1798430129431E+16
Volume
8.8682657062761E+24
Surface area
2.0719372051772E+17
Circumference
806795060.87259
Perimeter
513621688
Area
16487952398998084
Diagonal
181592689.27464
Surface area
98927714393988504
Volume
2.1171424857093E+24
Space diagonal
222404714.87132
Perimeter
385216266
Area
7.1394928169605E+15
Altitude
111202357.43566
Surface area
7.1394928169605E+15
Volume
2.4950763473053E+23
Height
60530896.42488