231361209 is an odd 9-digits composite number following 231361208
and preceding 231361210 . In scientific notation, it is written as 2.31361209 × 10^8.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 147063840 positive integers (up to 231361209) that are relatively prime to 231361209.
231361209 has 24 divisors, whose sum is 349831872
The reverse of 231361209 is 902163132
Previous prime number is 347
Is Prime? no Number parity odd Number length 9 Sum of Digits 27 Digital Root 9
Name
two hundred thirty-one million three hundred sixty-one thousand two hundred nine
Scientific notation
2.31361209 × 10^8
Engineering notation
2.31361209 × 10^6
Prime Factorization
3 × 3 × 23 × 347 × 3221
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
77120403 Product of the distinct prime numbers
The prime factorization of 231361209 is 3 × 3 × 23 × 347 × 3221.
Since it has a total of 5 prime factors.
6 , 1 , 50 , 96 , 320 , 736 , 9037 , 5295 , 11196 , 86479 , 801893 , 195887 , 1090810 , 3196104 , 40704643 , 95034563 , 213122078 , 751432020 , 7326066784 , 1963986146
n×2
462722418
n×3
694083627
n×4
925444836
n×5
1156806045
n÷2
115680604.5
n÷3
77120403
n÷3
57840302.25
n÷5
46272241.8
n2
53528009029941681
n3
1.238430488453E+25
n4
2.8652477507095E+33
n5
6.6290718368868E+41
2 √n15210.562415637
3 √n613.89889032418
4 √n123.33110887216
5 √n47.082347566977
1 , 3 , 9 , 23 , 69 , 207 , 347 , 1041 , 3123 , 3221 , 7981 , 9663 , 23943 , 28989 , 71829 , 74083 , 222249 , 666747 , 1117687 , 3353061 , 10059183 , 25706801 , 77120403 , 231361209
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-231361208 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 231361209 can be divided by 24 positive divisors.
The sum of these divisors (counting 231361209) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101110010100100101010111001
3
Ternary
121010100100220200
4
Quaternary
31302210222321
5
Quinary
433212024314
6
Senary
34542512413
8
Octal
1562445271
10
Decimal
231361209
12
Duodecimal
65595709
16
Hexadecimal
dca4ab9
20
Vigesimal
3c60309
36
Base36
3tqvg9
md5
10562c76d06f49e9e8b3ad694d0b2362
sha1
c28a83626a7f8f4683b8cc9b2212e271a4652b09
sha256
5e27c36b3b658c0afdb55c5864fdccaa04ee16050591a2240d6b7374329ed95d
sha512
325ba7f54352443740d8645f9314327721e0a9d0aa910e96a18db8992f6f700a663a5130ca173ff4bf4d981c3aeb74d9f9803f1d68d946cc628c702ceb4e4413
ripemd-160
d51b60f474fb4ed21288f05fecd54b78f2416f5e
Diameter
462722418
Circumference
1453685349.0401
Area
1.6816319992975E+17
Volume
5.1875254993408E+25
Surface area
6.7265279971901E+17
Circumference
1453685349.0401
Perimeter
925444836
Area
53528009029941681
Diagonal
327194159.57484
Surface area
321168054179650086
Volume
1.238430488453E+25
Space diagonal
400729368.88856
Perimeter
694083627
Area
2.3178307816966E+16
Altitude
200364684.44428
Surface area
2.3178307816966E+16
Volume
1.4595043273555E+24
Height
109064719.85828