261344191 is an odd 9-digits composite number following 261344190
and preceding 261344192 . In scientific notation, it is written as 2.61344191 × 10^8.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 257059800 positive integers (up to 261344191) that are relatively prime to 261344191.
261344191 has 4 divisors, whose sum is 265628584
The reverse of 261344191 is 191443162
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
two hundred sixty-one million three hundred forty-four thousand one hundred ninety-one
Scientific notation
2.61344191 × 10^8
Engineering notation
2.61344191 × 10^6
Prime Factorization
61 × 4284331
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
261344191
Product of the distinct prime numbers
The prime factorization of 261344191 is 61 × 4284331.
Since it has a total of 2 prime factors.
5 , 5 , 38 , 66 , 856 , 925 , 6901 , 5312 , 10003 , 66778 , 232295 , 124588 , 4266095 , 6394240 , 89763503 , 81885010 , 219312211 , 885309149 , 3549406917 , 1866374890
n×2
522688382
n×3
784032573
n×4
1045376764
n×5
1306720955
n÷2
130672095.5
n÷3
87114730.333333
n÷3
65336047.75
n÷5
52268838.2
n2
68300786169444481
n3
1.7850013706117E+25
n4
4.6649973913642E+33
n5
1.2191699692632E+42
2 √n
16166.143355791
3 √n
639.34845068758
4 √n
127.1461495909
5 √n
48.243917959917
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-261344190
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 261344191 can be divided by 4 positive divisors.
The sum of these divisors (counting 261344191) is 1, the average is 0.25.
Base
System
Value
2
Binary
1111100100111100101110111111
3
Ternary
200012202122211111
4
Quaternary
33210330232333
5
Quinary
1013401003231
6
Senary
41533302451
8
Octal
1744745677
10
Decimal
261344191
12
Duodecimal
73634a27
16
Hexadecimal
f93cbbf
20
Vigesimal
41d809b
36
Base36
4bligv
md5
3e04a1e12c8a30c696420af13aeaad0a
sha1
9707501521b7c33213dee9874306c36512b4c064
sha256
8dd35c2298ff37846c31a9113590a3786e22328726f35f87cfca7ee98605877a
sha512
4bfff5feddc8960f4b11f2137e34a1ad2ad18b8fab680cfa2df29c98f16b5d6417984a899632f692cb1c407e3e6be758b3518e7260cf3ee72f99798ff3d0f682
ripemd-160
65cc37a2411de0dec3ba5bc27bf01e7dcc07abb8
Diameter
522688382
Circumference
1642073981.0079
Area
2.1457324806433E+17
Volume
7.4769962567488E+25
Surface area
8.5829299225734E+17
Circumference
1642073981.0079
Perimeter
1045376764
Area
68300786169444481
Diagonal
369596499.35962
Surface area
409804717016666886
Volume
1.7850013706117E+25
Space diagonal
452661417.07498
Perimeter
784032573
Area
2.9575107960594E+16
Altitude
226330708.53749
Surface area
2.9575107960594E+16
Volume
2.1036442893114E+24
Height
123198833.11987