128984909 is an odd 9-digits prime number following 128984908
and preceding 128984910 . In scientific notation, it is written as 1.28984909 × 10^8.
The sum of its digits is 50. It has a total of 1 prime factors and 2 positive divisors.
There are 128984908 positive integers (up to 128984909) that are relatively prime to 128984909.
128984909 has 2 divisors, whose sum is 128984910
The reverse of 128984909 is 909489821
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
one hundred twenty-eight million nine hundred eighty-four thousand nine hundred nine
Scientific notation
1.28984909 × 10^8
Engineering notation
1.28984909 × 10^6
Prime Factorization
128984909
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
128984909
Product of the distinct prime numbers
The prime factorization of 128984909 is 128984909.
Since it has a total of 1 prime factors.
5 , 8 , 86 , 100 , 529 , 271 , 7000 , 6877 , 4373 , 64455 , 292680 , 807006 , 1115888 , 8488328 , 89545498 , 20178376 , 66478270 , 788678080 , 7397558998 , 459088700
n×2
257969818
n×3
386954727
n×4
515939636
n×5
644924545
n÷2
64492454.5
n÷3
42994969.666667
n÷3
32246227.25
n÷5
25796981.8
n2
16637106749738281
n3
2.1459357001383E+24
n4
2.7679332100219E+32
n5
3.5702161321275E+40
2 √n
11357.152327939
3 √n
505.25773074378
4 √n
106.56994101499
5 √n
41.889751142235
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
128984910
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
64492455
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
11357.152371964
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999844943
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128984909 can be divided by 2 positive divisors.
The sum of these divisors (counting 128984909) is 128984910, the average is 64492455.
Base
System
Value
2
Binary
111101100000010011101001101
3
Ternary
22222201010000212
4
Quaternary
13230002131031
5
Quinary
231010004114
6
Senary
20444332205
8
Octal
754023515
10
Decimal
128984909
12
Duodecimal
37244065
16
Hexadecimal
7b0274d
20
Vigesimal
2063259
36
Base36
24sle5
md5
1e20f91a24625ce17f66b9b780f7222f
sha1
2f2fc35b1967d45c6b81e60f7de84977953c3d33
sha256
3ec1ab31120f5724d3a441a9d53b44ec0b12005ff9bddefc4a399b64aac7727d
sha512
9e27c38e9a09d9021674905e058822a4417e962e019237c2d07d71f188dcecd568c7ffc8103d22e40b26967b3ecb94c20b077b501eaf307b97c7508673f2a7af
ripemd-160
58b0d16941b9714ebe20872b1bcb15653f5e656d
Diameter
257969818
Circumference
810436085.0767
Area
5.2267012341967E+16
Volume
8.9888744408406E+24
Surface area
2.0906804936787E+17
Circumference
810436085.0767
Perimeter
515939636
Area
16637106749738281
Diagonal
182412207.64926
Surface area
99822640498429686
Volume
2.1459357001383E+24
Space diagonal
223408415.79765
Perimeter
386954727
Area
7.2040785453735E+15
Altitude
111704207.89882
Surface area
7.2040785453735E+15
Volume
2.5290094759301E+23
Height
60804069.21642