128484989 is an odd 9-digits composite number following 128484988
and preceding 128484990 . In scientific notation, it is written as 1.28484989 × 10^8.
The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors.
There are 125496924 positive integers (up to 128484989) that are relatively prime to 128484989.
128484989 has 4 divisors, whose sum is 131473056
The reverse of 128484989 is 989484821
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 53
Digital Root 8
Name
one hundred twenty-eight million four hundred eighty-four thousand nine hundred eighty-nine
Scientific notation
1.28484989 × 10^8
Engineering notation
1.28484989 × 10^6
Prime Factorization
43 × 2988023
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128484989
Product of the distinct prime numbers
The prime factorization of 128484989 is 43 × 2988023.
Since it has a total of 2 prime factors.
1 , 8 , 94 , 47 , 940 , 872 , 8363 , 6560 , 54723 , 71806 , 696467 , 999966 , 3207249 , 4902534 , 32710807 , 15465189 , 908170460 , 314017736 , 5065683655 , 1054166906
n×2
256969978
n×3
385454967
n×4
513939956
n×5
642424945
n÷2
64242494.5
n÷3
42828329.666667
n÷3
32121247.25
n÷5
25696997.8
n2
16508392398330121
n3
2.1210806157071E+24
n4
2.7252701957724E+32
n5
3.5015631112585E+40
2 √n
11335.121922591
3 √n
504.60412591819
4 √n
106.46652958837
5 √n
41.857229405636
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
-128484988
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 128484989 can be divided by 4 positive divisors.
The sum of these divisors (counting 128484989) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101010001000011001111101
3
Ternary
22221202201021022
4
Quaternary
13222020121331
5
Quinary
230343004424
6
Senary
20425513525
8
Octal
752103175
10
Decimal
128484989
12
Duodecimal
370428a5
16
Hexadecimal
7a8867d
20
Vigesimal
2030c99
36
Base36
24hvnh
md5
2469585dff3d4d87007085adb94855a4
sha1
c172cc01ad36eb8f26f2f8c505421725a913984d
sha256
5eddc786c33332aa2e819230e1ef0a4573e3b93add586e13da05b61c0dee0956
sha512
fb8a7e5c093797c8722880449511bf7a01118412a839f4162a9938e87ddc3781cef48560d64bda318422a9f3dc161f48cd5277e8a99e4bd77276a9814f15d327
ripemd-160
fd6e258134a700fd7db282846b8cceb72c31471d
Diameter
256969978
Circumference
807294995.07793
Area
5.1862644281171E+16
Volume
8.8847617066363E+24
Surface area
2.0745057712469E+17
Circumference
807294995.07793
Perimeter
513939956
Area
16508392398330121
Diagonal
181705214.00516
Surface area
99050354389980726
Volume
2.1210806157071E+24
Space diagonal
222542528.95793
Perimeter
385454967
Area
7.1483435962979E+15
Altitude
111271264.47896
Surface area
7.1483435962979E+15
Volume
2.4997174780164E+23
Height
60568404.668386