261330258 is an even 9-digits composite number following 261330257
and preceding 261330259 . In scientific notation, it is written as 2.61330258 × 10^8.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 74665776 positive integers (up to 261330258) that are relatively prime to 261330258.
261330258 has 16 divisors, whose sum is 597326400
The reverse of 261330258 is 852033162
Previous prime number is 7
Is Prime? no
Number parity even
Number length 9
Sum of Digits 30
Digital Root 3
Name
two hundred sixty-one million three hundred thirty thousand two hundred fifty-eight
Scientific notation
2.61330258 × 10^8
Engineering notation
2.61330258 × 10^6
Prime Factorization
2 × 3 × 7 × 6222149
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
261330258
Product of the distinct prime numbers
The prime factorization of 261330258 is 2 × 3 × 7 × 6222149.
Since it has a total of 4 prime factors.
4 , 3 , 17 , 11 , 897 , 817 , 1108 , 7556 , 26964 , 24531 , 636195 , 867709 , 6694732 , 8743145 , 53141143 , 57229467 , 956842972 , 94924047 , 1849449475 , 5978359849
n×2
522660516
n×3
783990774
n×4
1045321032
n×5
1306651290
n÷2
130665129
n÷3
87110086
n÷3
65332564.5
n÷5
52266051.6
n2
68293503746346564
n3
1.7847158953757E+25
n4
4.6640026539523E+33
n5
1.21884501687E+42
2 √n
16165.712418573
3 √n
639.33708865929
4 √n
127.14445492656
5 √n
48.243403544929
1 , 2 , 3 , 6 , 7 , 14 , 21 , 42 , 6222149 , 12444298 , 18666447 , 37332894 , 43555043 , 87110086 , 130665129 , 261330258
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
-261330257
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 261330258 can be divided by 16 positive divisors.
The sum of these divisors (counting 261330258) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1111100100111001010101010010
3
Ternary
200012201221201110
4
Quaternary
33210321111102
5
Quinary
1013400032013
6
Senary
41533114150
8
Octal
1744712522
10
Decimal
261330258
12
Duodecimal
73628956
16
Hexadecimal
f939552
20
Vigesimal
41d65ci
36
Base36
4bl7pu
md5
e98063cab05a4914a3be5ad730207f73
sha1
af00996f70397f8a861d154c74c44c324e779246
sha256
18b01387f2354a9d86dba1b9fb6a649ad00f05ad108e6e60dceddc2b91ade7ce
sha512
ac45a9137176c9366bb14e9595df0989a5b4de1a215595318cb54af12a97cd8372f537fd4b25db146dc2c97c196652bedc271083071e79249dee8263b4c3aa6e
ripemd-160
cf66c5ba8a58e3a85eef4fe011d9095b2ffa839b
Diameter
522660516
Circumference
1641986437.3871
Area
2.1455036965743E+17
Volume
7.4758004608762E+25
Surface area
8.5820147862972E+17
Circumference
1641986437.3871
Perimeter
1045321032
Area
68293503746346564
Diagonal
369576795.12206
Surface area
409761022478079384
Volume
1.7847158953757E+25
Space diagonal
452637284.41108
Perimeter
783990774
Area
2.9571954578892E+16
Altitude
226318642.20554
Surface area
2.9571954578892E+16
Volume
2.1033078535193E+24
Height
123192265.04069