261383265 is an odd 9-digits composite number following 261383264
and preceding 261383266 . In scientific notation, it is written as 2.61383265 × 10^8.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 115776000 positive integers (up to 261383265) that are relatively prime to 261383265.
261383265 has 16 divisors, whose sum is 291570048
The reverse of 261383265 is 562383162
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
two hundred sixty-one million three hundred eighty-three thousand two hundred sixty-five
Scientific notation
2.61383265 × 10^8
Engineering notation
2.61383265 × 10^6
Prime Factorization
65 × 2421 × 11 × 151
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
261383265
Product of the distinct prime numbers
The prime factorization of 261383265 is 65 × 2421 × 11 × 151.
Since it has a total of 4 prime factors.
8 , 6 , 64 , 4 , 285 , 117 , 5122 , 5684 , 33505 , 28214 , 911438 , 932044 , 7760111 , 9156165 , 78908785 , 47952038 , 920535331 , 410895620 , 7627682723 , 7336117735
n×2
522766530
n×3
784149795
n×4
1045533060
n×5
1306916325
n÷2
130691632.5
n÷3
87127755
n÷3
65345816.25
n÷5
52276653
n2
68321211222060225
n3
1.7858021257977E+25
n4
4.6677879028494E+33
n5
1.2200816423743E+42
2 √n
16167.351823969
3 √n
639.38031244601
4 √n
127.15090178197
5 √n
48.24536047916
1 , 11 , 65 , 151 , 715 , 1661 , 2421 , 9815 , 26631 , 107965 , 157365 , 365571 , 1731015 , 4021281 , 23762115 , 261383265
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
-261383264
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 261383265 can be divided by 16 positive divisors.
The sum of these divisors (counting 261383265) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1111100101000110010001100001
3
Ternary
200012211122102200
4
Quaternary
33211012101201
5
Quinary
1013403231030
6
Senary
41534203413
8
Octal
1745062141
10
Decimal
261383265
12
Duodecimal
73653569
16
Hexadecimal
f946461
20
Vigesimal
41dci35
36
Base36
4bmcm9
md5
0eb7cf6a459f522c69730cb6aa02b72d
sha1
70d5d730f52d9481a6787c187f9c6a005cf0f37f
sha256
93dfc3b9dbd5ad167c547547e2563e39033c9ca0bab198b98b2a72afbb455196
sha512
b12735eb5dae58f6eb739040a6179de537329e31197dcdb5ab6ab6f913b38eee209e97c24d2441322a9b73ffe8bff5c18080c27e87af83a7b67770db33c35d38
ripemd-160
cda62a2a429ed2a45405c62585570aba43c69752
Diameter
522766530
Circumference
1642319490.1906
Area
2.1463741525958E+17
Volume
7.480350452228E+25
Surface area
8.5854966103832E+17
Circumference
1642319490.1906
Perimeter
1045533060
Area
68321211222060225
Diagonal
369651758.34036
Surface area
409927267332361350
Volume
1.7858021257977E+25
Space diagonal
452729095.22824
Perimeter
784149795
Area
2.9583952267813E+16
Altitude
226364547.61412
Surface area
2.9583952267813E+16
Volume
2.1045879883481E+24
Height
123217252.78012