128520125 is an odd 9-digits composite number following 128520124
and preceding 128520126 . In scientific notation, it is written as 1.28520125 × 10^8.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 102485200 positive integers (up to 128520125) that are relatively prime to 128520125.
128520125 has 8 divisors, whose sum is 129965472
The reverse of 128520125 is 521025821
Previous prime number is 347
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 26
Digital Root 8
Name
one hundred twenty-eight million five hundred twenty thousand one hundred twenty-five
Scientific notation
1.28520125 × 10^8
Engineering notation
1.28520125 × 10^6
Prime Factorization
125 × 347 × 2963
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128520125
Product of the distinct prime numbers
The prime factorization of 128520125 is 125 × 347 × 2963.
Since it has a total of 3 prime factors.
3 , 8 , 81 , 49 , 438 , 667 , 4857 , 4324 , 58696 , 25287 , 772046 , 562721 , 784269 , 3545752 , 25935823 , 25300987 , 497289157 , 193694750 , 1098799939 , 1894051033
n×2
257040250
n×3
385560375
n×4
514080500
n×5
642600625
n÷2
64260062.5
n÷3
42840041.666667
n÷3
32130031.25
n÷5
25704025
n2
16517422530015625
n3
2.1228212082354E+24
n4
2.7282524703507E+32
n5
3.5063534852103E+40
2 √n
11336.671689698
3 √n
504.65011872197
4 √n
106.47380752888
5 √n
41.859518443098
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
-128520124
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 128520125 can be divided by 8 positive divisors.
The sum of these divisors (counting 128520125) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101010010000111110111101
3
Ternary
22221211111110122
4
Quaternary
13222100332331
5
Quinary
230400121000
6
Senary
20430344325
8
Octal
752207675
10
Decimal
128520125
12
Duodecimal
3705b0a5
16
Hexadecimal
7a90fbd
20
Vigesimal
2035065
36
Base36
24imrh
md5
3cbf5d2b463abb09c78a7c4f34d1a3f0
sha1
9dc3383477c56bbe723536eba9cd2e0e8ee45d67
sha256
57d43ef69984e62956c5c79af3baba3af16147ab89709f789f772bf2c9a2cb88
sha512
6db12668081941bd4cddb2e297a3d3dc561b67b510a7c08404e28347bcf19d4fad7eb366626383267004d7cd01d766aa19180b5addc7aa9ae58d13f87e3b1ef5
ripemd-160
30944f73ed6a3b20ad7e200d0cd3b4e16edafc5e
Diameter
257040250
Circumference
807515761.07688
Area
5.1891013276536E+16
Volume
8.8920526835694E+24
Surface area
2.0756405310614E+17
Circumference
807515761.07688
Perimeter
514080500
Area
16517422530015625
Diagonal
181754903.81289
Surface area
99104535180093750
Volume
2.1228212082354E+24
Space diagonal
222603386.2951
Perimeter
385560375
Area
7.1522537580175E+15
Altitude
111301693.14755
Surface area
7.1522537580175E+15
Volume
2.5017687859831E+23
Height
60584967.937629