261298085 is an odd 9-digits composite number following 261298084
and preceding 261298086 . In scientific notation, it is written as 2.61298085 × 10^8.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 208915200 positive integers (up to 261298085) that are relatively prime to 261298085.
261298085 has 8 divisors, whose sum is 313742616
The reverse of 261298085 is 580892162
Previous prime number is 1801
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
two hundred sixty-one million two hundred ninety-eight thousand eighty-five
Scientific notation
2.61298085 × 10^8
Engineering notation
2.61298085 × 10^6
Prime Factorization
5 × 1801 × 29017
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
261298085
Product of the distinct prime numbers
The prime factorization of 261298085 is 5 × 1801 × 29017.
Since it has a total of 3 prime factors.
8 , 6 , 53 , 22 , 897 , 372 , 1258 , 1953 , 59387 , 50164 , 330500 , 729687 , 2466477 , 1655725 , 81941576 , 21292360 , 369440047 , 104912613 , 2157127478 , 3366723680
n×2
522596170
n×3
783894255
n×4
1045192340
n×5
1306490425
n÷2
130649042.5
n÷3
87099361.666667
n÷3
65324521.25
n÷5
52259617
n2
68276689224667225
n3
1.7840568144546E+25
n4
4.6617062914818E+33
n5
1.2180949267966E+42
2 √n
16164.71728797
3 √n
639.3108508042
4 √n
127.14054148056
5 √n
48.242215614014
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-261298084
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 261298085 can be divided by 8 positive divisors.
The sum of these divisors (counting 261298085) is 1, the average is 0.125.
Base
System
Value
2
Binary
1111100100110001011110100101
3
Ternary
200012200022120212
4
Quaternary
33210301132211
5
Quinary
1013343014320
6
Senary
41532305205
8
Octal
1744613645
10
Decimal
261298085
12
Duodecimal
73612205
16
Hexadecimal
f9317a5
20
Vigesimal
41d2545
36
Base36
4bkiw5
md5
d8b8f757a804576e61d59921a043cd91
sha1
d3562df0679536dcf5cb1341b7acc17c5c7f7032
sha256
ec0e4129f6a2747f03b11d3e90aa49dd4cd1e940415962b0cc197c10f3a02462
sha512
f0072d2655397daca365d63187580341ff03e2dd0618179b292119b0c99df86b978883d5090f2b824610842023e45b72bb0bd5153b0b753a43f051d48680c7f1
ripemd-160
96bcc977ee9ea8afc72807c2523298469cde505b
Diameter
522596170
Circumference
1641784288.4662
Area
2.1449754527965E+17
Volume
7.4730397091697E+25
Surface area
8.5799018111859E+17
Circumference
1641784288.4662
Perimeter
1045192340
Area
68276689224667225
Diagonal
369531295.62912
Surface area
409660135348003350
Volume
1.7840568144546E+25
Space diagonal
452581559.14045
Perimeter
783894255
Area
2.9564673677429E+16
Altitude
226290779.57023
Surface area
2.9564673677429E+16
Volume
2.1025311192048E+24
Height
123177098.54304