261330591 is an odd 9-digits composite number following 261330590
and preceding 261330592 . In scientific notation, it is written as 2.61330591 × 10^8.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 173897280 positive integers (up to 261330591) that are relatively prime to 261330591.
261330591 has 8 divisors, whose sum is 349087024
The reverse of 261330591 is 195033162
Previous prime number is 541
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 30
Digital Root 3
Name
two hundred sixty-one million three hundred thirty thousand five hundred ninety-one
Scientific notation
2.61330591 × 10^8
Engineering notation
2.61330591 × 10^6
Prime Factorization
3 × 541 × 161017
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
261330591
Product of the distinct prime numbers
The prime factorization of 261330591 is 3 × 541 × 161017.
Since it has a total of 3 prime factors.
5 , 3 , 17 , 10 , 318 , 73 , 4437 , 8620 , 92554 , 88559 , 665837 , 845922 , 805639 , 9815334 , 47937070 , 71125532 , 86813574 , 199897215 , 6312690278 , 4718544094
n×2
522661182
n×3
783991773
n×4
1045322364
n×5
1306652955
n÷2
130665295.5
n÷3
87110197
n÷3
65332647.75
n÷5
52266118.2
n2
68293677792409281
n3
1.7847227179054E+25
n4
4.6640264264134E+33
n5
1.2188527824542E+42
2 √n
16165.722718147
3 √n
639.33736021754
4 √n
127.14449542999
5 √n
48.243415839751
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
-261330590
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 261330591 can be divided by 8 positive divisors.
The sum of these divisors (counting 261330591) is 1, the average is 0.125.
Base
System
Value
2
Binary
1111100100111001011010011111
3
Ternary
200012201222011210
4
Quaternary
33210321122133
5
Quinary
1013400034331
6
Senary
41533115503
8
Octal
1744713237
10
Decimal
261330591
12
Duodecimal
73628b93
16
Hexadecimal
f93969f
20
Vigesimal
41d669b
36
Base36
4bl7z3
md5
134e9906e1513f4e70749f9e32a38bc6
sha1
85e1a5b982c9e1579d6b1cbfb85bb2c344e6096e
sha256
8b3d61a202d48710e4485e40398b37f6567370608c74fa8509049daf01b233cc
sha512
3221631ab6fc1c25f43c69cd6b4228a8f3108260f94dd82462a82a7a630281edf1686ce4ba176ec5f0faae51f278d7925ca69404df9296b473494773fe20798b
ripemd-160
50e888e20f15117ff19466cfe766c1b35dd2168c
Diameter
522661182
Circumference
1641988529.6878
Area
2.1455091643926E+17
Volume
7.4758290390218E+25
Surface area
8.5820366575705E+17
Circumference
1641988529.6878
Perimeter
1045322364
Area
68293677792409281
Diagonal
369577266.05518
Surface area
409762066754455686
Volume
1.7847227179054E+25
Space diagonal
452637861.184
Perimeter
783991773
Area
2.9572029943048E+16
Altitude
226318930.592
Surface area
2.9572029943048E+16
Volume
2.1033158939476E+24
Height
123192422.01839