128429906 is an even 9-digits composite number following 128429905
and preceding 128429907 . In scientific notation, it is written as 1.28429906 × 10^8.
The sum of its digits is 41. It has a total of 5 prime factors and 32 positive divisors.
There are 56710080 positive integers (up to 128429906) that are relatively prime to 128429906.
128429906 has 32 divisors, whose sum is 216216000
The reverse of 128429906 is 609924821
Previous prime number is 389
Is Prime? no
Number parity even
Number length 9
Sum of Digits 41
Digital Root 5
Name
one hundred twenty-eight million four hundred twenty-nine thousand nine hundred six
Scientific notation
1.28429906 × 10^8
Engineering notation
1.28429906 × 10^6
Prime Factorization
2 × 11 × 43 × 389 × 349
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
128429906
Product of the distinct prime numbers
The prime factorization of 128429906 is 2 × 11 × 43 × 389 × 349.
Since it has a total of 5 prime factors.
9 , 2 , 10 , 54 , 660 , 983 , 9057 , 5344 , 96169 , 6640 , 395600 , 826039 , 6525548 , 3306151 , 63351769 , 39430167 , 826887684 , 104251434 , 116425820 , 4396260721
n×2
256859812
n×3
385289718
n×4
513719624
n×5
642149530
n÷2
64214953
n÷3
42809968.666667
n÷3
32107476.5
n÷5
25685981.2
n2
16494240755168836
n3
2.1183537897277E+24
n4
2.7205997808947E+32
n5
3.4940637412393E+40
2 √n
11332.691913222
3 √n
504.53200573705
4 √n
106.45511689544
5 √n
41.853639854412
1 , 2 , 11 , 22 , 43 , 86 , 349 , 389 , 473 , 698 , 778 , 946 , 3839 , 4279 , 7678 , 8558 , 15007 , 16727 , 30014 , 33454 , 135761 , 165077 , 183997 , 271522 , 330154 , 367994 , 1493371 , 2986742 , 5837723 , 11675446 , 64214953 , 128429906
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128429905
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128429906 can be divided by 32 positive divisors.
The sum of these divisors (counting 128429906) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111101001111010111101010010
3
Ternary
22221122220201012
4
Quaternary
13221322331102
5
Quinary
230334224111
6
Senary
20424410522
8
Octal
751727522
10
Decimal
128429906
12
Duodecimal
37016a42
16
Hexadecimal
7a7af52
20
Vigesimal
202def6
36
Base36
24gp5e
md5
170b582833ab69e2d804e7518102543f
sha1
6570d1ea8fb802ea4324deee2f6b84e293e30da7
sha256
830e7c1ce381f303ddfe3aac05594f73b56e345260bd83ca8aad2c448df5ea4c
sha512
5639544402863f95b8890445883dc8f0707f4c5f890412316e9ee593e63b86861b907750d788e6248bfad40b7e513c36a674cc0c06dc1aa3780a765c9c79d284
ripemd-160
1164ca59bcac072ba04f15b67e5320801f444bb9
Diameter
256859812
Circumference
806948898.38166
Area
5.181818558298E+16
Volume
8.8733396046835E+24
Surface area
2.0727274233192E+17
Circumference
806948898.38166
Perimeter
513719624
Area
16494240755168836
Diagonal
181627314.8795
Surface area
98965444531013016
Volume
2.1183537897277E+24
Space diagonal
222447122.40329
Perimeter
385289718
Area
7.1422157550564E+15
Altitude
111223561.20165
Surface area
7.1422157550564E+15
Volume
2.4965038827811E+23
Height
60542438.293167