128520231 is an odd 9-digits composite number following 128520230
and preceding 128520232 . In scientific notation, it is written as 1.28520231 × 10^8.
The sum of its digits is 24. It has a total of 5 prime factors and 32 positive divisors.
There are 70627296 positive integers (up to 128520231) that are relatively prime to 128520231.
128520231 has 32 divisors, whose sum is 203489280
The reverse of 128520231 is 132025821
Previous prime number is 47
Is Prime? no Number parity odd Number length 9 Sum of Digits 24 Digital Root 6
Name
one hundred twenty-eight million five hundred twenty thousand two hundred thirty-one
Scientific notation
1.28520231 × 10^8
Engineering notation
1.28520231 × 10^6
Prime Factorization
3 × 59 × 7 × 47 × 2207
Composite number
ω Distinct Factors
5 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
128520231 Product of the distinct prime numbers
The prime factorization of 128520231 is 3 × 59 × 7 × 47 × 2207.
Since it has a total of 5 prime factors.
1 , 10 , 51 , 98 , 263 , 159 , 830 , 7238 , 15942 , 17446 , 790160 , 931723 , 563016 , 3515652 , 74637873 , 45935334 , 682844254 , 167649246 , 3050831613 , 6729313361
n×2
257040462
n×3
385560693
n×4
514080924
n×5
642601155
n÷2
64260115.5
n÷3
42840077
n÷3
32130057.75
n÷5
25704046.2
n2
16517449776293361
n3
2.1228264607801E+24
n4
2.7282614711237E+32
n5
3.5063679449722E+40
2 √n11336.676364791
3 √n504.65025746263
4 √n106.47382948307
5 √n41.859525348021
1 , 3 , 7 , 21 , 47 , 59 , 141 , 177 , 329 , 413 , 987 , 1239 , 2207 , 2773 , 6621 , 8319 , 15449 , 19411 , 46347 , 58233 , 103729 , 130213 , 311187 , 390639 , 726103 , 911491 , 2178309 , 2734473 , 6120011 , 18360033 , 42840077 , 128520231
32 divisors
τ Total Divisors
32 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-128520230 Sum of the proper positive divisors of n
A Arithmetic Mean
0.03125 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
32 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128520231 can be divided by 32 positive divisors.
The sum of these divisors (counting 128520231) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111101010010001000000100111
3
Ternary
22221211111121120
4
Quaternary
13222101000213
5
Quinary
230400121411
6
Senary
20430345023
8
Octal
752210047
10
Decimal
128520231
12
Duodecimal
3705b173
16
Hexadecimal
7a91027
20
Vigesimal
20350bb
36
Base36
24imuf
md5
019ea33ec5e8de51f1ef33649aed69d3
sha1
1307e915b6507916cb9e8bfce6b018b4166aa354
sha256
37ebd67cb183e8cdf397b418820e103b67433037e03b9d4d6734f006a2ef289c
sha512
a39b8a3eb68f6d04d9ff51d145b46e865277b8796b16414b400f1302e6ebe4636274ee23a6b8ca1b36e960a402aa57d0ef382e3c4907909ffa7c33440fc294ef
ripemd-160
250f721009a0a62975f98ff96adece624624068b
Diameter
257040462
Circumference
807516427.09453
Area
5.1891098873242E+16
Volume
8.8920746853771E+24
Surface area
2.0756439549297E+17
Circumference
807516427.09453
Perimeter
514080924
Area
16517449776293361
Diagonal
181755053.71952
Surface area
99104698657760166
Volume
2.1228264607801E+24
Space diagonal
222603569.89249
Perimeter
385560693
Area
7.1522655560018E+15
Altitude
111301784.94624
Surface area
7.1522655560018E+15
Volume
2.5017749761664E+23
Height
60585017.906508