128429689 is an odd 9-digits composite number following 128429688
and preceding 128429690 . In scientific notation, it is written as 1.28429689 × 10^8.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 128048256 positive integers (up to 128429689) that are relatively prime to 128429689.
128429689 has 4 divisors, whose sum is 128811124
The reverse of 128429689 is 986924821
Previous prime number is 337
Is Prime? no Number parity odd Number length 9 Sum of Digits 49 Digital Root 4
Name
one hundred twenty-eight million four hundred twenty-nine thousand six hundred eighty-nine
Scientific notation
1.28429689 × 10^8
Engineering notation
1.28429689 × 10^6
Prime Factorization
337 × 381097
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
128429689 Product of the distinct prime numbers
The prime factorization of 128429689 is 337 × 381097.
Since it has a total of 2 prime factors.
9 , 4 , 77 , 11 , 883 , 665 , 7726 , 1828 , 15783 , 80437 , 58471 , 242792 , 471915 , 7803410 , 72383980 , 30701267 , 242704485 , 286198813 , 6676658545 , 1781096691
n×2
256859378
n×3
385289067
n×4
513718756
n×5
642148445
n÷2
64214844.5
n÷3
42809896.333333
n÷3
32107422.25
n÷5
25685937.8
n2
16494185016636721
n3
2.1183430519951E+24
n4
2.7205813936304E+32
n5
3.4940342228314E+40
2 √n11332.682339146
3 √n504.53172157814
4 √n106.45507192777
5 √n41.853625710905
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
-128429688 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 128429689 can be divided by 4 positive divisors.
The sum of these divisors (counting 128429689) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101001111010111001111001
3
Ternary
22221122220102011
4
Quaternary
13221322321321
5
Quinary
230334222224
6
Senary
20424405521
8
Octal
751727171
10
Decimal
128429689
12
Duodecimal
370168a1
16
Hexadecimal
7a7ae79
20
Vigesimal
202de49
36
Base36
24gozd
md5
2e9fcac464183739d7b2291a63deb042
sha1
b6127ad51b63b36b2a48ee38b20e56713daf721f
sha256
a65f46d8bbfce116eb5629bd62cbd28b5114fa4c2d659e80a6adf5138e7d99e0
sha512
71f2644004ecfd50c87bd847e5930ce6e8417a83819b793c19a6936b1fd25066d2aa8b78f4467b06dedb92baa02dc564646475076c3cbf8784a761ddff8f84e6
ripemd-160
ccd0e732beba0eef07ec2c53330933ba361d309b
Diameter
256859378
Circumference
806947534.93044
Area
5.1818010475217E+16
Volume
8.8732946265744E+24
Surface area
2.0727204190087E+17
Circumference
806947534.93044
Perimeter
513718756
Area
16494185016636721
Diagonal
181627007.99516
Surface area
98965110099820326
Volume
2.1183430519951E+24
Space diagonal
222446746.54827
Perimeter
385289067
Area
7.142191619564E+15
Altitude
111223373.27413
Surface area
7.142191619564E+15
Volume
2.4964912282419E+23
Height
60542335.998386