128527231 is an odd 9-digits composite number following 128527230
and preceding 128527232 . In scientific notation, it is written as 1.28527231 × 10^8.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 107495424 positive integers (up to 128527231) that are relatively prime to 128527231.
128527231 has 16 divisors, whose sum is 150493504
The reverse of 128527231 is 132725821
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred twenty-eight million five hundred twenty-seven thousand two hundred thirty-one
Scientific notation
1.28527231 × 10^8
Engineering notation
1.28527231 × 10^6
Prime Factorization
7 × 73 × 97 × 2593
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128527231
Product of the distinct prime numbers
The prime factorization of 128527231 is 7 × 73 × 97 × 2593.
Since it has a total of 4 prime factors.
10 , 10 , 40 , 33 , 954 , 245 , 5274 , 4321 , 77683 , 43163 , 857096 , 543810 , 5599076 , 5908550 , 19312553 , 10331637 , 4584270 , 556369836 , 1823400958 , 714496216
n×2
257054462
n×3
385581693
n×4
514108924
n×5
642636155
n÷2
64263615.5
n÷3
42842410.333333
n÷3
32131807.75
n÷5
25705446.2
n2
16519249108527361
n3
2.1231733461182E+24
n4
2.7288559110958E+32
n5
3.5073229405113E+40
2 √n
11336.985093048
3 √n
504.65941941231
4 √n
106.4752792579
5 √n
41.859981323382
1 , 7 , 73 , 97 , 511 , 679 , 2593 , 7081 , 18151 , 49567 , 189289 , 251521 , 1325023 , 1760647 , 18361033 , 128527231
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
-128527230
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 128527231 can be divided by 16 positive divisors.
The sum of these divisors (counting 128527231) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101010010010101101111111
3
Ternary
22221211212012211
4
Quaternary
13222102231333
5
Quinary
230400332411
6
Senary
20430441251
8
Octal
752225577
10
Decimal
128527231
12
Duodecimal
37063227
16
Hexadecimal
7a92b7f
20
Vigesimal
2035i1b
36
Base36
24is8v
md5
cf8f2a518e9b1d4cbb450a7376d86491
sha1
bd88fb1d07e796c4e937193b2d17afd31575b29c
sha256
92af2415aa3761137cbd98eba38d8c3d6d1dff64a17618ccc74381226eeac5b6
sha512
22f347980b7431e2809ebb8a7260468c7db951032502a35a16536878fdc9fcfc901b0396ff8c5772bda39615eeb71022d3db57c7b01c16960aa567185dafc99f
ripemd-160
b1a8488b53e7939b7e3e6558ea6035baabf8f199
Diameter
257054462
Circumference
807560409.39168
Area
5.1896751642169E+16
Volume
8.8935277152836E+24
Surface area
2.0758700656868E+17
Circumference
807560409.39168
Perimeter
514108924
Area
16519249108527361
Diagonal
181764953.21446
Surface area
99115494651164166
Volume
2.1231733461182E+24
Space diagonal
222615694.24814
Perimeter
385581693
Area
7.1530446897141E+15
Altitude
111307847.12407
Surface area
7.1530446897141E+15
Volume
2.5021837844579E+23
Height
60588317.738153