261330405 is an odd 9-digits composite number following 261330404
and preceding 261330406 . In scientific notation, it is written as 2.61330405 × 10^8.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 117504000 positive integers (up to 261330405) that are relatively prime to 261330405.
261330405 has 16 divisors, whose sum is 333923568
The reverse of 261330405 is 504033162
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 24
Digital Root 6
Name
two hundred sixty-one million three hundred thirty thousand four hundred five
Scientific notation
2.61330405 × 10^8
Engineering notation
2.61330405 × 10^6
Prime Factorization
21 × 5 × 61 × 40801
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
261330405
Product of the distinct prime numbers
The prime factorization of 261330405 is 21 × 5 × 61 × 40801.
Since it has a total of 4 prime factors.
10 , 2 , 15 , 42 , 62 , 803 , 3276 , 5418 , 58460 , 23619 , 102861 , 83841 , 9865865 , 6430530 , 59359172 , 90440205 , 975387906 , 406884414 , 9568001646 , 5345428799
n×2
522660810
n×3
783991215
n×4
1045321620
n×5
1306652025
n÷2
130665202.5
n÷3
87110135
n÷3
65332601.25
n÷5
52266081
n2
68293580577464025
n3
1.7847189071209E+25
n4
4.6640131480906E+33
n5
1.2188484449158E+42
2 √n
16165.716965232
3 √n
639.33720853639
4 √n
127.14447280646
5 √n
48.243408972375
1 , 5 , 21 , 61 , 105 , 305 , 1281 , 6405 , 40801 , 204005 , 856821 , 2488861 , 4284105 , 12444305 , 52266081 , 261330405
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
-261330404
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 261330405 can be divided by 16 positive divisors.
The sum of these divisors (counting 261330405) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1111100100111001010111100101
3
Ternary
200012201221220220
4
Quaternary
33210321113211
5
Quinary
1013400033110
6
Senary
41533114553
8
Octal
1744712745
10
Decimal
261330405
12
Duodecimal
73628a59
16
Hexadecimal
f9395e5
20
Vigesimal
41d6605
36
Base36
4bl7tx
md5
f8c67229f34ba0daa8060686ba90a022
sha1
ff91d67051d43f1f8b2328fe13d5d3f1f29ff874
sha256
0cc5e6c1fa85b9c29dc5df47e43e5ef4e265929a948253dc29efad0d64014bd8
sha512
181ddb03faec1211b0cb916d2294aae0484eb1a96293f2a3af5bab07d0442e8be3cf97506d019bcbf82c06f3798c0fbeee547e135b91140e5be7e59ee3c7a16b
ripemd-160
da69f9f6b0ee00f04859f79e38e6d06d0f957dc2
Diameter
522660810
Circumference
1641987361.0153
Area
2.145506110295E+17
Volume
7.475813076445E+25
Surface area
8.5820244411801E+17
Circumference
1641987361.0153
Perimeter
1045321620
Area
68293580577464025
Diagonal
369577003.01145
Surface area
409761483464784150
Volume
1.7847189071209E+25
Space diagonal
452637539.02255
Perimeter
783991215
Area
2.9571987847742E+16
Altitude
226318769.51128
Surface area
2.9571987847742E+16
Volume
2.103311402895E+24
Height
123192334.33715