291228 is an even 6-digits composite number following 291227
and preceding 291229 . In scientific notation, it is written as 2.91228 × 10^5.
The sum of its digits is 24. It has a total of 4 prime factors and 12 positive divisors.
There are 83184 positive integers (up to 291228) that are relatively prime to 291228.
291228 has 12 divisors, whose sum is 534072
The reverse of 291228 is 822192
Previous prime number is 21
Is Prime? no
Number parity even
Number length 6
Sum of Digits 24
Digital Root 6
Name
two hundred ninety-one thousand two hundred twenty-eight
Scientific notation
2.91228 × 10^5
Engineering notation
2.91228 × 10^3
Prime Factorization
2 × 2 × 21 × 3467
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
145614
Product of the distinct prime numbers
The prime factorization of 291228 is 2 × 2 × 21 × 3467.
Since it has a total of 4 prime factors.
4 , 7 , 9 , 72 , 864 , 601 , 5217 , 742 , 92867 , 15210 , 985650 , 872659 , 7301487 , 7497479 , 90387572 , 78656362 , 667874992 , 588705146 , 5235215160 , 1841494551
n×2
582456
n×3
873684
n×4
1164912
n×5
1456140
n÷2
145614
n÷3
97076
n÷3
72807
n÷5
58245.6
n2
84813747984
n3
24700138197884352
n4
7.1933718470935E+21
n5
2.0949112962853E+27
2 √n
539.65544563175
3 √n
66.28435621616
4 √n
23.230485264663
5 √n
12.38359173174
1 , 2 , 4 , 21 , 42 , 84 , 3467 , 6934 , 13868 , 72807 , 145614 , 291228
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-291227
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 291228 can be divided by 12 positive divisors.
The sum of these divisors (counting 291228) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000111000110011100
3
Ternary
112210111020
4
Quaternary
1013012130
5
Quinary
33304403
6
Senary
10124140
8
Octal
1070634
10
Decimal
291228
12
Duodecimal
120650
16
Hexadecimal
4719c
20
Vigesimal
1g818
36
Base36
68po
md5
2b79c8087354ddd1ff38ac2326bf6a90
sha1
ab2d94135a48f7bd802bfb8bafb1f9ad48e639ba
sha256
dda33b10d60c60f293b5b1be00cd5e87971e407d5542fab1a654915d9336bd3d
sha512
f92df01ebd08dec46aafa3090db054ea2836fa34a9fdb4a6b6c113407e0c37eea3b142d0b89daa5a97b562aa4c14e91504a810aef93db4e4910f9acdcf6f6a48
ripemd-160
a4d9cbb6866c7f8906a992b9ba2bef6dcf7ffd94
Diameter
582456
Circumference
1829839.4906393
Area
266450247589.95
Volume
1.0346369694017E+17
Surface area
1065800990359.8
Circumference
1829839.4906393
Perimeter
1164912
Area
84813747984
Diagonal
411858.58734279
Surface area
508882487904
Volume
24700138197884352
Space diagonal
504421.69258667
Perimeter
873684
Area
36725430172.158
Altitude
252210.84629333
Surface area
36725430172.158
Volume
2.9109392026615E+15
Height
137286.19578093