261572 is an even 6-digits composite number following 261571
and preceding 261573 . In scientific notation, it is written as 2.61572 × 10^5.
The sum of its digits is 23. It has a total of 3 prime factors and 6 positive divisors.
There are 130784 positive integers (up to 261572) that are relatively prime to 261572.
261572 has 6 divisors, whose sum is 457758
The reverse of 261572 is 275162
Previous prime number is 2
Is Prime? no
Number parity even
Number length 6
Sum of Digits 23
Digital Root 5
Name
two hundred sixty-one thousand five hundred seventy-two
Scientific notation
2.61572 × 10^5
Engineering notation
2.61572 × 10^3
Prime Factorization
2 × 2 × 65393
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
130786
Product of the distinct prime numbers
The prime factorization of 261572 is 2 × 2 × 65393.
Since it has a total of 3 prime factors.
3 , 4 , 45 , 86 , 496 , 448 , 207 , 3618 , 38671 , 97811 , 424647 , 846438 , 7415014 , 7764666 , 50211871 , 15263370 , 114313660 , 648057051 , 7291364969 , 2221705811
n×2
523144
n×3
784716
n×4
1046288
n×5
1307860
n÷2
130786
n÷3
87190.666666667
n÷3
65393
n÷5
52314.4
n2
68419911184
n3
17896733008221248
n4
4.6812842464264E+21
n5
1.2244928829063E+27
2 √n
511.44110120326
3 √n
63.953416622637
4 √n
22.61506359052
5 √n
12.120436221174
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-261571
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 261572 can be divided by 6 positive divisors.
The sum of these divisors (counting 261572) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
111111110111000100
3
Ternary
111021210212
4
Quaternary
333313010
5
Quinary
31332242
6
Senary
5334552
8
Octal
776704
10
Decimal
261572
12
Duodecimal
107458
16
Hexadecimal
3fdc4
20
Vigesimal
1cdic
36
Base36
5ltw
md5
d2a89bb59c31a53c86b97dcc1dc18f79
sha1
f4cd003dfa9f6b8dadcae84a4a6134ba524ab0b5
sha256
9f51ecd77fb182cb6a563681daffbf51e1f373e846d8775ad0002b98a6bc0225
sha512
b7567f54bc596544c382fe4c722735a6778002b78757c2297e6a5b38ef1f4b38a571f95a8ce813565cae88d32faeee73f957ea59c116bb3c87016df3d2d1a51b
ripemd-160
c1ad408c87bef2285bc923abf7587fdc1cc7cd6a
Diameter
523144
Circumference
1643505.3471696
Area
214947490334.92
Volume
7.4965659922514E+16
Surface area
859789961339.68
Circumference
1643505.3471696
Perimeter
1046288
Area
68419911184
Diagonal
369918.66993706
Surface area
410519467104
Volume
17896733008221248
Space diagonal
453055.99383741
Perimeter
784716
Area
29626690605.01
Altitude
226527.9969187
Surface area
29626690605.01
Volume
2.1091502118664E+15
Height
123306.22331235