128429228 is an even 9-digits composite number following 128429227
and preceding 128429229 . In scientific notation, it is written as 1.28429228 × 10^8.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 64168512 positive integers (up to 128429228) that are relatively prime to 128429228.
128429228 has 12 divisors, whose sum is 224912520
The reverse of 128429228 is 822924821
Previous prime number is 1489
Is Prime? no
Number parity even
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred twenty-eight million four hundred twenty-nine thousand two hundred twenty-eight
Scientific notation
1.28429228 × 10^8
Engineering notation
1.28429228 × 10^6
Prime Factorization
2 × 2 × 1489 × 21563
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64214614
Product of the distinct prime numbers
The prime factorization of 128429228 is 2 × 2 × 1489 × 21563.
Since it has a total of 4 prime factors.
9 , 2 , 28 , 80 , 672 , 515 , 7236 , 2680 , 55334 , 92338 , 942612 , 645541 , 947686 , 5816550 , 90081085 , 60710024 , 288083646 , 354484295 , 6445479821 , 1299099354
n×2
256858456
n×3
385287684
n×4
513716912
n×5
642146140
n÷2
64214614
n÷3
42809742.666667
n÷3
32107307
n÷5
25685845.6
n2
16494066604675984
n3
2.1183202406191E+24
n4
2.7205423315949E+32
n5
3.4939715138805E+40
2 √n
11332.661999725
3 √n
504.53111790308
4 √n
106.45497639718
5 √n
41.853595664038
1 , 2 , 4 , 1489 , 2978 , 5956 , 21563 , 43126 , 86252 , 32107307 , 64214614 , 128429228
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
-128429227
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 128429228 can be divided by 12 positive divisors.
The sum of these divisors (counting 128429228) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101001111010110010101100
3
Ternary
22221122212210002
4
Quaternary
13221322302230
5
Quinary
230334213403
6
Senary
20424403432
8
Octal
751726254
10
Decimal
128429228
12
Duodecimal
37016578
16
Hexadecimal
7a7acac
20
Vigesimal
202dd18
36
Base36
24gomk
md5
ee55ccbe890afe934a883fa4240ec89e
sha1
78ef04f5e24d8ea7eef9c93ebedd88e3c59c0891
sha256
7f0b118a889eb5ab7aafd5dfca93b5c38dc58bb73c881c75acf5976d91d5a9f7
sha512
8b380659dfc5d7ffce3067386a3ec621ff4a4a43a2e4b49b98dca395c48cb42706a89bf05b7e9dc3cc9975c6c8271b169ece74483510d45c50541cae5deec4d3
ripemd-160
7a370b38713bebb4c37b43f35f8bfd0f900ec757
Diameter
256858456
Circumference
806944638.38202
Area
5.1817638473071E+16
Volume
8.8731990745061E+24
Surface area
2.0727055389228E+17
Circumference
806944638.38202
Perimeter
513716912
Area
16494066604675984
Diagonal
181626356.04271
Surface area
98964399628055904
Volume
2.1183202406191E+24
Space diagonal
222445948.07285
Perimeter
385287684
Area
7.142140345681E+15
Altitude
111222974.03642
Surface area
7.142140345681E+15
Volume
2.4964643447775E+23
Height
60542118.680902