128305429 is an odd 9-digits composite number following 128305428
and preceding 128305430 . In scientific notation, it is written as 1.28305429 × 10^8.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 109976076 positive integers (up to 128305429) that are relatively prime to 128305429.
128305429 has 4 divisors, whose sum is 146634784
The reverse of 128305429 is 924503821
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
one hundred twenty-eight million three hundred five thousand four hundred twenty-nine
Scientific notation
1.28305429 × 10^8
Engineering notation
1.28305429 × 10^6
Prime Factorization
7 × 18329347
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128305429
Product of the distinct prime numbers
The prime factorization of 128305429 is 7 × 18329347.
Since it has a total of 2 prime factors.
10 , 4 , 39 , 59 , 321 , 844 , 9518 , 9378 , 80089 , 5427 , 109318 , 715616 , 1885068 , 6683133 , 73830788 , 55792175 , 107502704 , 912917202 , 7095560421 , 1489854826
n×2
256610858
n×3
384916287
n×4
513221716
n×5
641527145
n÷2
64152714.5
n÷3
42768476.333333
n÷3
32076357.25
n÷5
25661085.8
n2
16462283110874041
n3
2.1122002968601E+24
n4
2.7100676522257E+32
n5
3.4771639273784E+40
2 √n
11327.198638675
3 √n
504.36895199241
4 √n
106.42931287326
5 √n
41.845523619414
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
-128305428
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 128305429 can be divided by 4 positive divisors.
The sum of these divisors (counting 128305429) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101001011100100100010101
3
Ternary
22221102120221221
4
Quaternary
13221130210111
5
Quinary
230321233204
6
Senary
20422010341
8
Octal
751344425
10
Decimal
128305429
12
Duodecimal
36b769b1
16
Hexadecimal
7a5c915
20
Vigesimal
201i3b9
36
Base36
24e13p
md5
f7e1ad2e5922f6d767c80da79ffaec44
sha1
2bd06509151cc251aa7c0ddf82b06b39bc532b1c
sha256
f0165895a865ac4f6619bce92ffbb76e8875890680ff9b3f9723e7c43c78ab0a
sha512
cae9906b1f946dbe4a86d02683bf832bd9c8762c046fccf38495479e7cee811ed9fefec5cfb010a6af67e34a078ebc5616afae3603a3a6a649aed97a1115f4e1
ripemd-160
7de7adc04fee076b2be90cc6a7862e0dffec15fa
Diameter
256610858
Circumference
806166786.32417
Area
5.1717787682437E+16
Volume
8.8475639140347E+24
Surface area
2.0687115072975E+17
Circumference
806166786.32417
Perimeter
513221716
Area
16462283110874041
Diagonal
181451277.8179
Surface area
98773698665244246
Volume
2.1122002968601E+24
Space diagonal
222231521.91492
Perimeter
384916287
Area
7.1283776891542E+15
Altitude
111115760.95746
Surface area
7.1283776891542E+15
Volume
2.4892519218901E+23
Height
60483759.272633