128366931 is an odd 9-digits composite number following 128366930
and preceding 128366932 . In scientific notation, it is written as 1.28366931 × 10^8.
The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors.
There are 66435840 positive integers (up to 128366931) that are relatively prime to 128366931.
128366931 has 32 divisors, whose sum is 214184448
The reverse of 128366931 is 139663821
Previous prime number is 317
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred twenty-eight million three hundred sixty-six thousand nine hundred thirty-one
Scientific notation
1.28366931 × 10^8
Engineering notation
1.28366931 × 10^6
Prime Factorization
7 × 3 × 11 × 317 × 1753
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
128366931
Product of the distinct prime numbers
The prime factorization of 128366931 is 7 × 3 × 11 × 317 × 1753.
Since it has a total of 5 prime factors.
6 , 9 , 84 , 90 , 41 , 601 , 8907 , 7691 , 29216 , 32385 , 492653 , 890093 , 266193 , 1800172 , 83208285 , 84430236 , 297909305 , 239230252 , 273657406 , 915891247
n×2
256733862
n×3
385100793
n×4
513467724
n×5
641834655
n÷2
64183465.5
n÷3
42788977
n÷3
32091732.75
n÷5
25673386.2
n2
16478068974358761
n3
2.1152391430448E+24
n4
2.7152675712372E+32
n5
3.4855056496355E+40
2 √n
11329.913106463
3 √n
504.44952728974
4 √n
106.44206455374
5 √n
41.84953450205
1 , 3 , 7 , 11 , 21 , 33 , 77 , 231 , 317 , 951 , 1753 , 2219 , 3487 , 5259 , 6657 , 10461 , 12271 , 19283 , 24409 , 36813 , 57849 , 73227 , 134981 , 404943 , 555701 , 1667103 , 3889907 , 6112711 , 11669721 , 18338133 , 42788977 , 128366931
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
-128366930
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 128366931 can be divided by 32 positive divisors.
The sum of these divisors (counting 128366931) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111101001101011100101010011
3
Ternary
22221112201022210
4
Quaternary
13221223211103
5
Quinary
230330220211
6
Senary
20423203203
8
Octal
751534523
10
Decimal
128366931
12
Duodecimal
36ba6503
16
Hexadecimal
7a6b953
20
Vigesimal
2025h6b
36
Base36
24fck3
md5
6e1b63c7affeefc97e7f6016479b14a7
sha1
0be0932a9db585e3d35540705c4bdd9240284eba
sha256
93d2f0a87bde31c87898a2cde68998c722316b2d924d5438812dbec392e07e0e
sha512
7aec8fe0c15aef544a8852643f76a756a638ccdade0951809532103351b3f44f5d7f09643264edee7553fb274db409e475f9967a6d342bc8f6ebee0e028cba7a
ripemd-160
58c1de55bd3ce7a2122b38ff7aa0b2c2c20ecda9
Diameter
256733862
Circumference
806553214.78694
Area
5.1767380435191E+16
Volume
8.8602930031666E+24
Surface area
2.0706952174077E+17
Circumference
806553214.78694
Perimeter
513467724
Area
16478068974358761
Diagonal
181538254.78041
Surface area
98868413846152566
Volume
2.1152391430448E+24
Space diagonal
222338046.50369
Perimeter
385100793
Area
7.1352131685534E+15
Altitude
111169023.25184
Surface area
7.1352131685534E+15
Volume
2.4928332364636E+23
Height
60512751.59347