261049265 is an odd 9-digits composite number following 261049264
and preceding 261049266 . In scientific notation, it is written as 2.61049265 × 10^8.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 197547840 positive integers (up to 261049265) that are relatively prime to 261049265.
261049265 has 16 divisors, whose sum is 330246720
The reverse of 261049265 is 562940162
Previous prime number is 821
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8
Name
two hundred sixty-one million forty-nine thousand two hundred sixty-five
Scientific notation
2.61049265 × 10^8
Engineering notation
2.61049265 × 10^6
Prime Factorization
5 × 19 × 821 × 3347
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
261049265
Product of the distinct prime numbers
The prime factorization of 261049265 is 5 × 19 × 821 × 3347.
Since it has a total of 4 prime factors.
10 , 9 , 10 , 79 , 544 , 356 , 7695 , 4782 , 98388 , 81131 , 313507 , 233722 , 5022169 , 7461894 , 3711094 , 9758271 , 402535785 , 226681785 , 1211108534 , 1746847997
n×2
522098530
n×3
783147795
n×4
1044197060
n×5
1305246325
n÷2
130524632.5
n÷3
87016421.666667
n÷3
65262316.25
n÷5
52209853
n2
68146718757040225
n3
1.7789650843687E+25
n4
4.6439752773511E+33
n5
1.2123063328307E+42
2 √n
16157.019062934
3 √n
639.10785933703
4 √n
127.11026340518
5 √n
48.233024423145
1 , 5 , 19 , 95 , 821 , 3347 , 4105 , 15599 , 16735 , 63593 , 77995 , 317965 , 2747887 , 13739435 , 52209853 , 261049265
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-261049264
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 261049265 can be divided by 16 positive divisors.
The sum of these divisors (counting 261049265) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1111100011110100101110110001
3
Ternary
200012012200021022
4
Quaternary
33203310232301
5
Quinary
1013312034030
6
Senary
41523105225
8
Octal
1743645661
10
Decimal
261049265
12
Duodecimal
73512215
16
Hexadecimal
f8f4bb1
20
Vigesimal
41bb335
36
Base36
4bf6wh
md5
d4deae40cf0d41b41b3631363fde0508
sha1
3c3085e45edec8f0ba302f601017d6ceaf875bbe
sha256
7f2d1f7cb89c6e702fc9eb51d813b66ce528da0deb36ca2dc6c7d97eabff9cec
sha512
511caa87855e4e67d2948a42accb710d4257dab3ac77f0ea7113d26f16c63a414353935597b43763b168fdb423d6142f539838538715bf111755f417a960a26d
ripemd-160
4a4fb5059e954b19b36e3eaf410883a11247b23c
Diameter
522098530
Circumference
1640220906.298
Area
2.1408923101337E+17
Volume
7.4517115200606E+25
Surface area
8.5635692405347E+17
Circumference
1640220906.298
Perimeter
1044197060
Area
68146718757040225
Diagonal
369179411.01053
Surface area
408880312542241350
Volume
1.7789650843687E+25
Space diagonal
452150590.25851
Perimeter
783147795
Area
2.9508394814075E+16
Altitude
226075295.12926
Surface area
2.9508394814075E+16
Volume
2.096530457752E+24
Height
123059803.67018