261328131 is an odd 9-digits composite number following 261328130
and preceding 261328132 . In scientific notation, it is written as 2.61328131 × 10^8.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 160477440 positive integers (up to 261328131) that are relatively prime to 261328131.
261328131 has 24 divisors, whose sum is 408193344
The reverse of 261328131 is 131823162
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 27
Digital Root 9
Name
two hundred sixty-one million three hundred twenty-eight thousand one hundred thirty-one
Scientific notation
2.61328131 × 10^8
Engineering notation
2.61328131 × 10^6
Prime Factorization
3 × 3 × 17 × 47 × 36341
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
87109377
Product of the distinct prime numbers
The prime factorization of 261328131 is 3 × 3 × 17 × 47 × 36341.
Since it has a total of 5 prime factors.
1 , 1 , 72 , 56 , 841 , 215 , 41 , 5914 , 69955 , 75964 , 959911 , 712465 , 6021130 , 4511777 , 95087363 , 71622121 , 347816341 , 453413836 , 8376568205 , 397096952
n×2
522656262
n×3
783984393
n×4
1045312524
n×5
1306640655
n÷2
130664065.5
n÷3
87109377
n÷3
65332032.75
n÷5
52265626.2
n2
68292392051953161
n3
1.7846723176456E+25
n4
4.6638508121777E+33
n5
1.2187954160092E+42
2 √n
16165.646631051
3 √n
639.33535410613
4 √n
127.14419621458
5 √n
48.243325012842
1 , 3 , 9 , 17 , 47 , 51 , 141 , 153 , 423 , 799 , 2397 , 7191 , 36341 , 109023 , 327069 , 617797 , 1708027 , 1853391 , 5124081 , 5560173 , 15372243 , 29036459 , 87109377 , 261328131
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-261328130
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 261328131 can be divided by 24 positive divisors.
The sum of these divisors (counting 261328131) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1111100100111000110100000011
3
Ternary
200012201211210200
4
Quaternary
33210320310003
5
Quinary
1013400000011
6
Senary
41533100243
8
Octal
1744706403
10
Decimal
261328131
12
Duodecimal
73627683
16
Hexadecimal
f938d03
20
Vigesimal
41d606b
36
Base36
4bl62r
md5
739090defc257119c115a1589df8edbd
sha1
ce1d8e58155e8dbe4b021ffcf059e2afafc9e85e
sha256
9a10b206a0b2f54dba94b4010d78a116cafe74419d62fefc3e97856024adc0c1
sha512
3dc76aba0688459a9ce89b6c9382cd0a3cb9a76e6b1a07f8b8ff9bac9991576600ca921978235a31aabb85ff312b94fb55a7194da9a4a7cd0ac79b6a36ad8f52
ripemd-160
365c88608fe1127377a13581aef87ced0749e551
Diameter
522656262
Circumference
1641973073.0519
Area
2.1454687716649E+17
Volume
7.4756179229074E+25
Surface area
8.5818750866596E+17
Circumference
1641973073.0519
Perimeter
1045312524
Area
68292392051953161
Diagonal
369573787.08981
Surface area
409754352311718966
Volume
1.7846723176456E+25
Space diagonal
452633600.33902
Perimeter
783984393
Area
2.9571473201099E+16
Altitude
226316800.16951
Surface area
2.9571473201099E+16
Volume
2.1032564966719E+24
Height
123191262.36327