128587025 is an odd 9-digits composite number following 128587024
and preceding 128587026 . In scientific notation, it is written as 1.28587025 × 10^8.
The sum of its digits is 38. It has a total of 5 prime factors and 24 positive divisors.
There are 85760640 positive integers (up to 128587025) that are relatively prime to 128587025.
128587025 has 24 divisors, whose sum is 159824808
The reverse of 128587025 is 520785821
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred twenty-eight million five hundred eighty-seven thousand twenty-five
Scientific notation
1.28587025 × 10^8
Engineering notation
1.28587025 × 10^6
Prime Factorization
25 × 7 × 7 × 37 × 2837
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
18369575
Product of the distinct prime numbers
The prime factorization of 128587025 is 25 × 7 × 7 × 37 × 2837.
Since it has a total of 5 prime factors.
4 , 10 , 52 , 80 , 970 , 834 , 9078 , 3357 , 40621 , 44319 , 176595 , 874559 , 2439666 , 6208899 , 61761792 , 40753430 , 922375989 , 846939194 , 755465734 , 3727364128
n×2
257174050
n×3
385761075
n×4
514348100
n×5
642935125
n÷2
64293512.5
n÷3
42862341.666667
n÷3
32146756.25
n÷5
25717405
n2
16534622998350625
n3
2.1261379808545E+24
n4
2.7339375769759E+32
n5
3.5154889955903E+40
2 √n
11339.621907277
3 √n
504.7376672327
4 √n
106.4876608217
5 √n
41.863875455475
1 , 7 , 25 , 37 , 49 , 175 , 259 , 925 , 1225 , 1813 , 2837 , 6475 , 19859 , 45325 , 70925 , 104969 , 139013 , 496475 , 734783 , 2624225 , 3475325 , 5143481 , 18369575 , 128587025
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128587024
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128587025 can be divided by 24 positive divisors.
The sum of these divisors (counting 128587025) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101010100001010100010001
3
Ternary
22221221220020102
4
Quaternary
13222201110101
5
Quinary
230404241100
6
Senary
20432022145
8
Octal
752412421
10
Decimal
128587025
12
Duodecimal
37091955
16
Hexadecimal
7aa1511
20
Vigesimal
203d7b5
36
Base36
24k2dt
md5
968f696ef2bace42dc8eafcda832b835
sha1
a5eb834089b63103d3dac9a417771251aea965b5
sha256
85de996455c21fd86fb71bda0bbdba4774ce56cb7a4902392ca666f1ae52169e
sha512
a1442f3dd2aa55eb3d011f7adca4afdba544d4511d1ead6585f0b02315053bf2fe03392deb9584f4c6f6952a42434fbe051c84c39bc6395a6740be9cf261d677
ripemd-160
7f1e80dc40d1f34ee0d4f3fa14902a539fcb62d4
Diameter
257174050
Circumference
807936106.17393
Area
5.1945050141495E+16
Volume
8.9059459482276E+24
Surface area
2.0778020056598E+17
Circumference
807936106.17393
Perimeter
514348100
Area
16534622998350625
Diagonal
181849514.70021
Surface area
99207737990103750
Volume
2.1261379808545E+24
Space diagonal
222719260.49413
Perimeter
385761075
Area
7.159701779285E+15
Altitude
111359630.24706
Surface area
7.159701779285E+15
Volume
2.5056776400008E+23
Height
60616504.900069