128372225 is an odd 9-digits composite number following 128372224
and preceding 128372226 . In scientific notation, it is written as 1.28372225 × 10^8.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 101637120 positive integers (up to 128372225) that are relatively prime to 128372225.
128372225 has 8 divisors, whose sum is 134886024
The reverse of 128372225 is 522273821
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred twenty-eight million three hundred seventy-two thousand two hundred twenty-five
Scientific notation
1.28372225 × 10^8
Engineering notation
1.28372225 × 10^6
Prime Factorization
25 × 97 × 52937
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128372225
Product of the distinct prime numbers
The prime factorization of 128372225 is 25 × 97 × 52937.
Since it has a total of 3 prime factors.
4 , 9 , 7 , 98 , 844 , 743 , 2182 , 3991 , 13072 , 4380 , 782150 , 765703 , 8444552 , 4593196 , 90771935 , 77715573 , 145847950 , 135849313 , 175741893 , 682009456
n×2
256744450
n×3
385116675
n×4
513488900
n×5
641861125
n÷2
64186112.5
n÷3
42790741.666667
n÷3
32093056.25
n÷5
25674445
n2
16479428151450625
n3
2.1155008585294E+24
n4
2.7157155219882E+32
n5
3.4862244402467E+40
2 √n
11330.146733383
3 √n
504.45646188747
4 √n
106.44316198509
5 √n
41.849879680951
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
-128372224
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 128372225 can be divided by 8 positive divisors.
The sum of these divisors (counting 128372225) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101001101100111000000001
3
Ternary
22221112222120212
4
Quaternary
13221230320001
5
Quinary
230330402400
6
Senary
20423243505
8
Octal
751547001
10
Decimal
128372225
12
Duodecimal
36ba9595
16
Hexadecimal
7a6ce01
20
Vigesimal
2026ab5
36
Base36
24fgn5
md5
63ed1a77f749f3134aacf0ca5cf543ec
sha1
8a5c857ae8d0fe9dfa9427e81d7bac3b74478fda
sha256
d624c71f3b3938a19d7dd28dc67ed5a0a32bc9dc8b63478912d04c0e9eed80a9
sha512
69e7909b02a1796ddf3a97d647cc15a5e185fed43860f71ba248f6e31b30a549f07eb3244187204eb691fb9a48a0f73c76e96f2870d126a8066585f866e7d60f
ripemd-160
05a2cd7d28ae9ed695bd9b9ddef79d8d9bda643c
Diameter
256744450
Circumference
806586477.96995
Area
5.1771650415958E+16
Volume
8.861389274425E+24
Surface area
2.0708660166383E+17
Circumference
806586477.96995
Perimeter
513488900
Area
16479428151450625
Diagonal
181545741.62701
Surface area
98876568908703750
Volume
2.1155008585294E+24
Space diagonal
222347215.98066
Perimeter
385116675
Area
7.1358017094983E+15
Altitude
111173607.99033
Surface area
7.1358017094983E+15
Volume
2.4931416711201E+23
Height
60515247.209004