128429386 is an even 9-digits composite number following 128429385
and preceding 128429387 . In scientific notation, it is written as 1.28429386 × 10^8.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 63296784 positive integers (up to 128429386) that are relatively prime to 128429386.
128429386 has 16 divisors, whose sum is 195408864
The reverse of 128429386 is 683924821
Previous prime number is 907
Is Prime? no
Number parity even
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred twenty-eight million four hundred twenty-nine thousand three hundred eighty-six
Scientific notation
1.28429386 × 10^8
Engineering notation
1.28429386 × 10^6
Prime Factorization
2 × 83 × 907 × 853
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128429386
Product of the distinct prime numbers
The prime factorization of 128429386 is 2 × 83 × 907 × 853.
Since it has a total of 4 prime factors.
6 , 9 , 98 , 18 , 726 , 263 , 1802 , 214 , 88191 , 69511 , 191474 , 513890 , 1124595 , 231386 , 75881226 , 32986970 , 76528261 , 207988291 , 3531854978 , 8670027586
n×2
256858772
n×3
385288158
n×4
513717544
n×5
642146930
n÷2
64214693
n÷3
42809795.333333
n÷3
32107346.5
n÷5
25685877.2
n2
16494107188336996
n3
2.1183280588163E+24
n4
2.7205557194035E+32
n5
3.4939930062178E+40
2 √n
11332.668970724
3 √n
504.53132480272
4 √n
106.45500913871
5 √n
41.853605962106
1 , 2 , 83 , 166 , 853 , 907 , 1706 , 1814 , 70799 , 75281 , 141598 , 150562 , 773671 , 1547342 , 64214693 , 128429386
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128429385
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128429386 can be divided by 16 positive divisors.
The sum of these divisors (counting 128429386) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101001111010110101001010
3
Ternary
22221122212222221
4
Quaternary
13221322311022
5
Quinary
230334220021
6
Senary
20424404254
8
Octal
751726512
10
Decimal
128429386
12
Duodecimal
3701668a
16
Hexadecimal
7a7ad4a
20
Vigesimal
202dd96
36
Base36
24goqy
md5
4c69c162c3a858b7fba67b984a397efa
sha1
76f893aaad73c285a7703a19cf474bafe461ec38
sha256
4bce5a008a30a7767df17c82b3bd1c28ba9840efe4169732a2d8e69b95b502e9
sha512
1db1ddd7502ac0e55ae168c77fea5fa98211227e61d172db07f137f2049326dc2e8e0ab7ad85a1b44d804539ce53b6a9db0612c09ecab9f9e509b0f2471e9fa1
ripemd-160
741a2a9953028e7d46ac8e804bffb45fd08a227b
Diameter
256858772
Circumference
806945631.1253
Area
5.1817765970402E+16
Volume
8.8732318232939E+24
Surface area
2.0727106388161E+17
Circumference
806945631.1253
Perimeter
513717544
Area
16494107188336996
Diagonal
181626579.48845
Surface area
98964643130021976
Volume
2.1183280588163E+24
Space diagonal
222446221.73688
Perimeter
385288158
Area
7.1421579189217E+15
Altitude
111223110.86844
Surface area
7.1421579189217E+15
Volume
2.4964735586112E+23
Height
60542193.162816