128429999 is an odd 9-digits composite number following 128429998
and preceding 128430000 . In scientific notation, it is written as 1.28429999 × 10^8.
The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors.
There are 119848960 positive integers (up to 128429999) that are relatively prime to 128429999.
128429999 has 8 divisors, whose sum is 137283552
The reverse of 128429999 is 999924821
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 53
Digital Root 8
Name
one hundred twenty-eight million four hundred twenty-nine thousand nine hundred ninety-nine
Scientific notation
1.28429999 × 10^8
Engineering notation
1.28429999 × 10^6
Prime Factorization
41 × 23 × 136193
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128429999
Product of the distinct prime numbers
The prime factorization of 128429999 is 41 × 23 × 136193.
Since it has a total of 3 prime factors.
2 , 10 , 37 , 30 , 715 , 39 , 2259 , 1749 , 28546 , 74755 , 261202 , 491097 , 2319517 , 78120 , 70225014 , 34599292 , 149626964 , 651776957 , 1516424576 , 4040539009
n×2
256859998
n×3
385289997
n×4
513719996
n×5
642149995
n÷2
64214999.5
n÷3
42809999.666667
n÷3
32107499.75
n÷5
25685999.8
n2
16494264643140001
n3
2.1183583916242E+24
n4
2.7206076611794E+32
n5
3.4940763920466E+40
2 √n
11332.696016394
3 √n
504.53212751934
4 √n
106.45513616728
5 √n
41.853645915909
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128429998
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128429999 can be divided by 8 positive divisors.
The sum of these divisors (counting 128429999) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101001111010111110101111
3
Ternary
22221122220211122
4
Quaternary
13221322332233
5
Quinary
230334224444
6
Senary
20424411155
8
Octal
751727657
10
Decimal
128429999
12
Duodecimal
37016abb
16
Hexadecimal
7a7afaf
20
Vigesimal
202dejj
36
Base36
24gp7z
md5
483f909db21d017fe7292462b7bf5754
sha1
31148020a1aa1b6d6963c200e56d7b90b86f53a8
sha256
5d760c8d15d27649d9dd6101b63fa74003399ff144b3b1d43070a9298647c88c
sha512
352ec50e69eeb559450710b07ee3887a22b6bf60665995afee4ca20eb0f1c08d46f8b839d703b0ceb14f1f10c57ad2a614d0662fce983ae274917fbf50fdf0dc
ripemd-160
e40fc37dba272434d035d2949ae787c2b4bb1c81
Diameter
256859998
Circumference
806949482.71789
Area
5.1818260629254E+16
Volume
8.8733588810625E+24
Surface area
2.0727304251702E+17
Circumference
806949482.71789
Perimeter
513719996
Area
16494264643140001
Diagonal
181627446.40136
Surface area
98965587858840006
Volume
2.1183583916242E+24
Space diagonal
222447283.48402
Perimeter
385289997
Area
7.1422260988514E+15
Altitude
111223641.74201
Surface area
7.1422260988514E+15
Volume
2.4965093061682E+23
Height
60542482.133788