128125585 is an odd 9-digits composite number following 128125584
and preceding 128125586 . In scientific notation, it is written as 1.28125585 × 10^8.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 86652288 positive integers (up to 128125585) that are relatively prime to 128125585.
128125585 has 16 divisors, whose sum is 178125696
The reverse of 128125585 is 585521821
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred twenty-eight million one hundred twenty-five thousand five hundred eighty-five
Scientific notation
1.28125585 × 10^8
Engineering notation
1.28125585 × 10^6
Prime Factorization
5 × 7 × 73 × 50147
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128125585
Product of the distinct prime numbers
The prime factorization of 128125585 is 5 × 7 × 73 × 50147.
Since it has a total of 4 prime factors.
7 , 2 , 82 , 18 , 637 , 730 , 5164 , 2606 , 98575 , 36032 , 836974 , 994651 , 3382846 , 8725451 , 14962467 , 9817311 , 458604187 , 161917649 , 3024523797 , 8661053347
n×2
256251170
n×3
384376755
n×4
512502340
n×5
640627925
n÷2
64062792.5
n÷3
42708528.333333
n÷3
32031396.25
n÷5
25625117
n2
16416165531592225
n3
2.1033308121921E+24
n4
2.6949049076064E+32
n5
3.4528626780644E+40
2 √n
11319.257263619
3 √n
504.13318606831
4 √n
106.39199811837
5 √n
41.83378617477
1 , 5 , 7 , 35 , 73 , 365 , 511 , 2555 , 50147 , 250735 , 351029 , 1755145 , 3660731 , 18303655 , 25625117 , 128125585
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128125584
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128125585 can be divided by 16 positive divisors.
The sum of these divisors (counting 128125585) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101000110000101010010001
3
Ternary
22221002110021001
4
Quaternary
13220300222101
5
Quinary
230300004320
6
Senary
20414102001
8
Octal
750605221
10
Decimal
128125585
12
Duodecimal
36aaa901
16
Hexadecimal
7a30a91
20
Vigesimal
200fdj5
36
Base36
24a6c1
md5
ebfc0cf4ca171146284ceffac18f1216
sha1
45626091f9480ad57563dcbe98291e03aae636f8
sha256
8c6eb43406aa7eae41a1d5de6a140f49c3ad14a7e37dadfaad224a1dd754aaf3
sha512
3863649557c62de5bee7c930f45dc8adce66b752ec85a944173089f02f154a2caef2294ba2403e229b3bd4c4ad1fe62a5719b853b53b1d6256e7830e37d80997
ripemd-160
fb18a99d146d3ce16a483fa155666c554cfdb2d3
Diameter
256251170
Circumference
805036793.14579
Area
5.1572905034164E+16
Volume
8.8104115035356E+24
Surface area
2.0629162013666E+17
Circumference
805036793.14579
Perimeter
512502340
Area
16416165531592225
Diagonal
181196939.99399
Surface area
98496993189553350
Volume
2.1033308121921E+24
Space diagonal
221920022.96948
Perimeter
384376755
Area
7.1084081915447E+15
Altitude
110960011.48474
Surface area
7.1084081915447E+15
Volume
2.4787991339661E+23
Height
60398979.997996