261330265 is an odd 9-digits composite number following 261330264
and preceding 261330266 . In scientific notation, it is written as 2.61330265 × 10^8.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 179197872 positive integers (up to 261330265) that are relatively prime to 261330265.
261330265 has 4 divisors, whose sum is 268796880
The reverse of 261330265 is 562033162
Previous prime number is 35
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 28
Digital Root 1
Name
two hundred sixty-one million three hundred thirty thousand two hundred sixty-five
Scientific notation
2.61330265 × 10^8
Engineering notation
2.61330265 × 10^6
Prime Factorization
35 × 7466579
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
261330265
Product of the distinct prime numbers
The prime factorization of 261330265 is 35 × 7466579.
Since it has a total of 2 prime factors.
1 , 7 , 19 , 61 , 335 , 991 , 6068 , 2379 , 66762 , 25530 , 886575 , 224633 , 6864669 , 8059079 , 4813656 , 69768305 , 942130593 , 898123826 , 5424497172 , 4028311867
n×2
522660530
n×3
783990795
n×4
1045321060
n×5
1306651325
n÷2
130665132.5
n÷3
87110088.333333
n÷3
65332566.25
n÷5
52266053
n2
68293507404970225
n3
1.784716038792E+25
n4
4.6640031536727E+33
n5
1.2188451801101E+42
2 √n
16165.71263508
3 √n
639.33709436773
4 √n
127.14445577799
5 √n
48.243403803379
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
-261330264
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 261330265 can be divided by 4 positive divisors.
The sum of these divisors (counting 261330265) is 1, the average is 0.25.
Base
System
Value
2
Binary
1111100100111001010101011001
3
Ternary
200012201221201201
4
Quaternary
33210321111121
5
Quinary
1013400032030
6
Senary
41533114201
8
Octal
1744712531
10
Decimal
261330265
12
Duodecimal
73628961
16
Hexadecimal
f939559
20
Vigesimal
41d65d5
36
Base36
4bl7q1
md5
84100d2fff403181a59bd5beec22ab57
sha1
19096fa05959959b16db255256dbccabf216f17c
sha256
da2e661a4a7348044a2397ea1d5bd0f7b41352fae08466613e2008390d66240b
sha512
69226cb91103d10131763d79f1eaa9f4e6b3115c48ab52790add8312b2f4915d54d4e2f46ce5ee19b3c39186d32c993c7d59512d48913e8760cac86e37e72085
ripemd-160
a2cbf6fcf3c4b6b9cb623b6dd2b5b0769a504377
Diameter
522660530
Circumference
1641986481.3693
Area
2.1455038115133E+17
Volume
7.4758010616172E+25
Surface area
8.5820152460534E+17
Circumference
1641986481.3693
Perimeter
1045321060
Area
68293507404970225
Diagonal
369576805.02156
Surface area
409761044429821350
Volume
1.784716038792E+25
Space diagonal
452637296.53544
Perimeter
783990795
Area
2.9571956163122E+16
Altitude
226318648.26772
Surface area
2.9571956163122E+16
Volume
2.1033080225371E+24
Height
123192268.34052