128429909 is an odd 9-digits prime number following 128429908
and preceding 128429910 . In scientific notation, it is written as 1.28429909 × 10^8.
The sum of its digits is 44. It has a total of 1 prime factors and 2 positive divisors.
There are 128429908 positive integers (up to 128429909) that are relatively prime to 128429909.
128429909 has 2 divisors, whose sum is 128429910
The reverse of 128429909 is 909924821
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
one hundred twenty-eight million four hundred twenty-nine thousand nine hundred nine
Scientific notation
1.28429909 × 10^8
Engineering notation
1.28429909 × 10^6
Prime Factorization
128429909
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
128429909
Product of the distinct prime numbers
The prime factorization of 128429909 is 128429909.
Since it has a total of 1 prime factors.
4 , 10 , 81 , 17 , 993 , 215 , 7302 , 3274 , 50082 , 25641 , 671472 , 213172 , 4894882 , 9011853 , 21172538 , 51836192 , 1652105 , 424317545 , 6862388009 , 2818593010
n×2
256859818
n×3
385289727
n×4
513719636
n×5
642149545
n÷2
64214954.5
n÷3
42809969.666667
n÷3
32107477.25
n÷5
25685981.8
n2
16494241525748281
n3
2.1183539381759E+24
n4
2.7206000350972E+32
n5
3.4940641493293E+40
2 √n
11332.692045582
3 √n
504.53200966551
4 √n
106.45511751711
5 √n
41.853640049944
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
128429910
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
64214955
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
11332.692089702
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999844273
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128429909 can be divided by 2 positive divisors.
The sum of these divisors (counting 128429909) is 128429910, the average is 64214955.
Base
System
Value
2
Binary
111101001111010111101010101
3
Ternary
22221122220201022
4
Quaternary
13221322331111
5
Quinary
230334224114
6
Senary
20424410525
8
Octal
751727525
10
Decimal
128429909
12
Duodecimal
37016a45
16
Hexadecimal
7a7af55
20
Vigesimal
202def9
36
Base36
24gp5h
md5
48d980f5839e7d557cab321d2892b17c
sha1
ccdee7734f70fd920a4f2a262598bd2f9dbf663b
sha256
71228221f1a8ec1fdce1fc3d81d46587ed4b38b6943b987080f5ec53ab1740d6
sha512
6fb648ad69f8d27c6bcbc5c1542fcb860d15e0581bd0a2e03e4318a54626b5befe9ecba473facc6b6dff84feab5518586dfa485e37276335c41ab398ce1c7bbb
ripemd-160
208a9978af521f8afed3f9eaba8f47bb72223721
Diameter
256859818
Circumference
806948917.23121
Area
5.1818188003826E+16
Volume
8.8733402265018E+24
Surface area
2.0727275201531E+17
Circumference
806948917.23121
Perimeter
513719636
Area
16494241525748281
Diagonal
181627319.12214
Surface area
98965449154489686
Volume
2.1183539381759E+24
Space diagonal
222447127.59945
Perimeter
385289727
Area
7.1422160887271E+15
Altitude
111223563.79972
Surface area
7.1422160887271E+15
Volume
2.496504057729E+23
Height
60542439.707381