261623 is an odd 6-digits composite number following 261622
and preceding 261624 . In scientific notation, it is written as 2.61623 × 10^5.
The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors.
There are 260568 positive integers (up to 261623) that are relatively prime to 261623.
261623 has 4 divisors, whose sum is 262680
The reverse of 261623 is 326162
Previous prime number is 659
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 20
Digital Root 2
Name
two hundred sixty-one thousand six hundred twenty-three
Scientific notation
2.61623 × 10^5
Engineering notation
2.61623 × 10^3
Prime Factorization
659 × 397
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
261623
Product of the distinct prime numbers
The prime factorization of 261623 is 659 × 397.
Since it has a total of 2 prime factors.
2 , 9 , 14 , 27 , 715 , 214 , 360 , 3615 , 61246 , 7812 , 220434 , 805035 , 1270361 , 403046 , 45043530 , 19041213 , 20942433 , 555730906 , 4780832573 , 6299775043
n×2
523246
n×3
784869
n×4
1046492
n×5
1308115
n÷2
130811.5
n÷3
87207.666666667
n÷3
65405.75
n÷5
52324.6
n2
68446594129
n3
17907203295811367
n4
4.6849362478601E+21
n5
1.2256870759739E+27
2 √n
511.49095788684
3 √n
63.957572791611
4 √n
22.616165852921
5 √n
12.120908820721
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
-261622
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 261623 can be divided by 4 positive divisors.
The sum of these divisors (counting 261623) is 1, the average is 0.25.
Base
System
Value
2
Binary
111111110111110111
3
Ternary
111021212202
4
Quaternary
333313313
5
Quinary
31332443
6
Senary
5335115
8
Octal
776767
10
Decimal
261623
12
Duodecimal
10749b
16
Hexadecimal
3fdf7
20
Vigesimal
1ce13
36
Base36
5lvb
md5
225b5722b0206a7a21867e60053dcc40
sha1
49659cc4c63f7567f383ac6619dca13221dd8fdf
sha256
efbefa0a876eacdebd04f2a35c7b64baca63445676ab89c1cb74f3c736232cdf
sha512
1558aae6e495c488ffec2eb60e5894618d0a393f3d36b0f186210bacccf3e3ec1b2be1e8707c65c1ecbc586d7e10f9c61be6cbc7a91d88d292a101b7dd94980d
ripemd-160
c5c04806a49f983910913763480f1b4c4dfd1e6b
Diameter
523246
Circumference
1643825.7896202
Area
215031317278.91
Volume
7.5009517760613E+16
Surface area
860125269115.63
Circumference
1643825.7896202
Perimeter
1046492
Area
68446594129
Diagonal
369990.79482874
Surface area
410679564774
Volume
17907203295811367
Space diagonal
453144.32842859
Perimeter
784869
Area
29638244659.118
Altitude
226572.1642143
Surface area
29638244659.118
Volume
2.1103841470924E+15
Height
123330.26494291