261728142 is an even 9-digits composite number following 261728141
and preceding 261728143 . In scientific notation, it is written as 2.61728142 × 10^8.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 80531712 positive integers (up to 261728142) that are relatively prime to 261728142.
261728142 has 16 divisors, whose sum is 563722320
The reverse of 261728142 is 241827162
Previous prime number is 13
Is Prime? no
Number parity even
Number length 9
Sum of Digits 33
Digital Root 6
Name
two hundred sixty-one million seven hundred twenty-eight thousand one hundred forty-two
Scientific notation
2.61728142 × 10^8
Engineering notation
2.61728142 × 10^6
Prime Factorization
2 × 3 × 13 × 3355489
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
261728142
Product of the distinct prime numbers
The prime factorization of 261728142 is 2 × 3 × 13 × 3355489.
Since it has a total of 4 prime factors.
10 , 6 , 39 , 87 , 377 , 920 , 1055 , 3275 , 67084 , 45770 , 182286 , 802245 , 26368 , 7749937 , 68350430 , 32200594 , 817149446 , 221998577 , 8823869228 , 1658394156
n×2
523456284
n×3
785184426
n×4
1046912568
n×5
1308640710
n÷2
130864071
n÷3
87242714
n÷3
65432035.5
n÷5
52345628.4
n2
68501620314772164
n3
1.7928801808975E+25
n4
4.6924719857492E+33
n5
1.2281519742172E+42
2 √n
16178.014155019
3 √n
639.66139477874
4 √n
127.19282273391
5 √n
48.25808504336
1 , 2 , 3 , 6 , 13 , 26 , 39 , 78 , 3355489 , 6710978 , 10066467 , 20132934 , 43621357 , 87242714 , 130864071 , 261728142
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
-261728141
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 261728142 can be divided by 16 positive divisors.
The sum of these divisors (counting 261728142) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1111100110011010011110001110
3
Ternary
200020111011111220
4
Quaternary
33212122132032
5
Quinary
1014000300032
6
Senary
41545424210
8
Octal
1746323616
10
Decimal
261728142
12
Duodecimal
7379b066
16
Hexadecimal
f99a78e
20
Vigesimal
41fg072
36
Base36
4btqq6
md5
f4df6b3ef23e1e7fd885ece2df1821b6
sha1
fb24b722174fcf86faf5232ede1dc01049464b23
sha256
5304ffc88ee13d9617562475641250d53a978101398df36e486cd9c67c7951a7
sha512
660121a8aa95cab3e5eb441135131f6b247aab6096d963f65c073bcaf6d67387261c07095772477512a0ee764597483ddf27df515746f2558c1198670ed89f53
ripemd-160
885060e32704637bf4a6c9cd81dee2769face915
Diameter
523456284
Circumference
1644486416.2898
Area
2.1520418713989E+17
Volume
7.509998940099E+25
Surface area
8.6081674855954E+17
Circumference
1644486416.2898
Perimeter
1046912568
Area
68501620314772164
Diagonal
370139488.07111
Surface area
411009721888632984
Volume
1.7928801808975E+25
Space diagonal
453326439.7146
Perimeter
785184426
Area
2.9662071696494E+16
Altitude
226663219.8573
Surface area
2.9662071696494E+16
Volume
2.1129295562793E+24
Height
123379829.35704