128532172 is an even 9-digits composite number following 128532171
and preceding 128532173 . In scientific notation, it is written as 1.28532172 × 10^8.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 60485184 positive integers (up to 128532172) that are relatively prime to 128532172.
128532172 has 12 divisors, whose sum is 225711640
The reverse of 128532172 is 271235821
Previous prime number is 289
Is Prime? no
Number parity even
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred twenty-eight million five hundred thirty-two thousand one hundred seventy-two
Scientific notation
1.28532172 × 10^8
Engineering notation
1.28532172 × 10^6
Prime Factorization
2 × 2 × 289 × 111187
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64266086
Product of the distinct prime numbers
The prime factorization of 128532172 is 2 × 2 × 289 × 111187.
Since it has a total of 4 prime factors.
2 , 10 , 58 , 3 , 875 , 441 , 6196 , 4012 , 32236 , 44989 , 90164 , 219079 , 7306392 , 9226478 , 67236632 , 30269564 , 845463277 , 888198583 , 6998994306 , 9039681532
n×2
257064344
n×3
385596516
n×4
514128688
n×5
642660860
n÷2
64266086
n÷3
42844057.333333
n÷3
32133043
n÷5
25706434.4
n2
16520519239037584
n3
2.1234182203613E+24
n4
2.7292755592741E+32
n5
3.5079971562002E+40
2 √n
11337.203006033
3 √n
504.66588623966
4 √n
106.47630255617
5 √n
41.860303164887
1 , 2 , 4 , 289 , 578 , 1156 , 111187 , 222374 , 444748 , 32133043 , 64266086 , 128532172
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128532171
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128532172 can be divided by 12 positive divisors.
The sum of these divisors (counting 128532172) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101010010011111011001100
3
Ternary
22221212002222211
4
Quaternary
13222103323030
5
Quinary
230401012142
6
Senary
20430520204
8
Octal
752237314
10
Decimal
128532172
12
Duodecimal
37066064
16
Hexadecimal
7a93ecc
20
Vigesimal
2036a8c
36
Base36
24iw24
md5
5a52e90eb1a8263c7d122f7250dbfc02
sha1
851cd56d8ff571b1cabd863cd31500e0ffd31927
sha256
9f5435a1e7a1c4e4346ece11c4f3151efd4609a4a624de758b0e9cfdf009477a
sha512
b3b20363b00eda872e4a8c154956b3b8febeee332a5aaa70c74e9e10d474e865268d005982f206ec70da25e80d93f7171b28631873bc16207f9f679f7ac298ae
ripemd-160
aca13c327e26c6e6b5da4c1905f0d66fad5aa63c
Diameter
257064344
Circumference
807591454.61028
Area
5.1900741874849E+16
Volume
8.8945534421143E+24
Surface area
2.076029674994E+17
Circumference
807591454.61028
Perimeter
514128688
Area
16520519239037584
Diagonal
181771940.84367
Surface area
99123115434225504
Volume
2.1234182203613E+24
Space diagonal
222624252.31118
Perimeter
385596516
Area
7.1535946723581E+15
Altitude
111312126.15559
Surface area
7.1535946723581E+15
Volume
2.5024723715209E+23
Height
60590646.94789