291286242 is an even 9-digits composite number following 291286241
and preceding 291286243 . In scientific notation, it is written as 2.91286242 × 10^8.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 89626464 positive integers (up to 291286242) that are relatively prime to 291286242.
291286242 has 16 divisors, whose sum is 522821880
The reverse of 291286242 is 242682192
Previous prime number is 13
Is Prime? no
Number parity even
Number length 9
Sum of Digits 36
Digital Root 9
Name
two hundred ninety-one million two hundred eighty-six thousand two hundred forty-two
Scientific notation
2.91286242 × 10^8
Engineering notation
2.91286242 × 10^6
Prime Factorization
2 × 9 × 13 × 1244813
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
291286242
Product of the distinct prime numbers
The prime factorization of 291286242 is 2 × 9 × 13 × 1244813.
Since it has a total of 4 prime factors.
2 , 8 , 93 , 99 , 71 , 356 , 9567 , 4212 , 94986 , 69848 , 13268 , 37620 , 4151583 , 9882236 , 78856290 , 85743399 , 245804587 , 371609821 , 2088819237 , 1934795828
n×2
582572484
n×3
873858726
n×4
1165144968
n×5
1456431210
n÷2
145643121
n÷3
97095414
n÷3
72821560.5
n÷5
58257248.4
n2
84847674778482564
n3
2.4714960328662E+25
n4
7.1991279153151E+33
n5
2.0970069161294E+42
2 √n
17067.10994867
3 √n
662.88774605589
4 √n
130.64114952292
5 √n
49.301938375187
1 , 2 , 9 , 13 , 18 , 26 , 117 , 234 , 1244813 , 2489626 , 11203317 , 16182569 , 22406634 , 32365138 , 145643121 , 291286242
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
-291286241
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 291286242 can be divided by 16 positive divisors.
The sum of these divisors (counting 291286242) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10001010111001010110011100010
3
Ternary
202022002212121100
4
Quaternary
101113022303202
5
Quinary
1044032124432
6
Senary
44523135230
8
Octal
2127126342
10
Decimal
291286242
12
Duodecimal
81674516
16
Hexadecimal
115cace2
20
Vigesimal
4b0afc2
36
Base36
4tf9wi
md5
5e3af5054e5ee6bcbf4544bb35bf4e0a
sha1
05659860e85e87bb1ce01509e382b3c5e7d00684
sha256
86494885c2ceb65e2409e30ad056f50e30d727d70b882ea364a7813eeef1ae30
sha512
734732bebd698ce7a735b5835b4b9472991800cca28a9f76a9f87f794f195db16346f6d05c1ec198756c64d033a093f15bd8631bf61bee7d49d05b1bf157011a
ripemd-160
d9a35a585ca21c8086c3820c38cee50afc7b9513
Diameter
582572484
Circumference
1830205435.918
Area
2.6655683175826E+17
Volume
1.0352578373639E+26
Surface area
1.066227327033E+18
Circumference
1830205435.918
Perimeter
1165144968
Area
84847674778482564
Diagonal
411940953.96909
Surface area
509086048670895384
Volume
2.4714960328662E+25
Space diagonal
504522570.6898
Perimeter
873858726
Area
3.6740120905103E+16
Altitude
252261285.3449
Surface area
3.6740120905103E+16
Volume
2.9126860075256E+24
Height
137313651.32303