261232261 is an odd 9-digits composite number following 261232260
and preceding 261232262 . In scientific notation, it is written as 2.61232261 × 10^8.
The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors.
There are 249780944 positive integers (up to 261232261) that are relatively prime to 261232261.
261232261 has 12 divisors, whose sum is 273173472
The reverse of 261232261 is 162232162
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 25
Digital Root 7
Name
two hundred sixty-one million two hundred thirty-two thousand two hundred sixty-one
Scientific notation
2.61232261 × 10^8
Engineering notation
2.61232261 × 10^6
Prime Factorization
2903 × 29 × 29 × 107
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9008009
Product of the distinct prime numbers
The prime factorization of 261232261 is 2903 × 29 × 29 × 107.
Since it has a total of 4 prime factors.
8 , 10 , 82 , 89 , 626 , 961 , 4542 , 1738 , 33902 , 1840 , 304663 , 782438 , 6201114 , 1403755 , 69150020 , 18110700 , 510104149 , 97299802 , 9794210301 , 5422878427
n×2
522464522
n×3
783696783
n×4
1044929044
n×5
1306161305
n÷2
130616130.5
n÷3
87077420.333333
n÷3
65308065.25
n÷5
52246452.2
n2
68242294187172121
n3
1.7827088806342E+25
n4
4.6570107159285E+33
n5
1.2165614388232E+42
2 √n
16162.681120408
3 √n
639.25716303787
4 √n
127.13253368201
5 √n
48.239784815008
1 , 29 , 107 , 841 , 2903 , 3103 , 84187 , 89987 , 310621 , 2441423 , 9008009 , 261232261
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-261232260
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 261232261 can be divided by 12 positive divisors.
The sum of these divisors (counting 261232261) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1111100100100001011010000101
3
Ternary
200012112222021221
4
Quaternary
33210201122011
5
Quinary
1013333413021
6
Senary
41531040341
8
Octal
1744413205
10
Decimal
261232261
12
Duodecimal
735a00b1
16
Hexadecimal
f921685
20
Vigesimal
41ce0d1
36
Base36
4bj43p
md5
eabd4bd9e8d04f6d424de554a2dac2f3
sha1
b33a8a7e488a5189312dd7856a083f228a8450bb
sha256
f2ef49cf7f32eaab3cddd805135ab34b9f9702b1330c01733205f74881c16184
sha512
9e91cef8ef49c9038426cf58a6b7780e3ea92376ee40947332835912c5ffaf7cde66d190d0a00da5d5978ba02f93ec42cc879e67cb8690d47f0a06d854bc3260
ripemd-160
ed6d0d4190d7ab7e53e91f78bbea0fb4c70e4b14
Diameter
522464522
Circumference
1641370704.0765
Area
2.1438949008253E+17
Volume
7.4673934971863E+25
Surface area
8.5755796033013E+17
Circumference
1641370704.0765
Perimeter
1044929044
Area
68242294187172121
Diagonal
369438206.43559
Surface area
409453765123032726
Volume
1.7827088806342E+25
Space diagonal
452467548.62809
Perimeter
783696783
Area
2.9549780189311E+16
Altitude
226233774.31405
Surface area
2.9549780189311E+16
Volume
2.1009425639632E+24
Height
123146068.81186