491388 is an even 6-digits composite number following 491387
and preceding 491389 . In scientific notation, it is written as 4.91388 × 10^5.
The sum of its digits is 33. It has a total of 4 prime factors and 12 positive divisors.
There are 163792 positive integers (up to 491388) that are relatively prime to 491388.
491388 has 12 divisors, whose sum is 1146600
The reverse of 491388 is 883194
Previous prime number is 3
Is Prime? no
Number parity even
Number length 6
Sum of Digits 33
Digital Root 6
Name
four hundred ninety-one thousand three hundred eighty-eight
Scientific notation
4.91388 × 10^5
Engineering notation
4.91388 × 10^3
Prime Factorization
2 × 2 × 3 × 40949
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
245694
Product of the distinct prime numbers
The prime factorization of 491388 is 2 × 2 × 3 × 40949.
Since it has a total of 4 prime factors.
2 , 2 , 40 , 85 , 73 , 136 , 7852 , 7858 , 22889 , 70662 , 728233 , 292971 , 5389687 , 5422771 , 65456526 , 27475834 , 540968195 , 371279420 , 2094192931 , 774141880
n×2
982776
n×3
1474164
n×4
1965552
n×5
2456940
n÷2
245694
n÷3
163796
n÷3
122847
n÷5
98277.6
n2
241462166544
n3
118651611093723072
n4
5.8303977872122E+22
n5
2.8649875078626E+28
2 √n
700.99072747077
3 √n
78.911721076059
4 √n
26.476229479871
5 √n
13.74943680654
1 , 2 , 3 , 4 , 6 , 12 , 40949 , 81898 , 122847 , 163796 , 245694 , 491388
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
-491387
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 491388 can be divided by 12 positive divisors.
The sum of these divisors (counting 491388) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1110111111101111100
3
Ternary
220222001120
4
Quaternary
1313331330
5
Quinary
111211023
6
Senary
14310540
8
Octal
1677574
10
Decimal
491388
12
Duodecimal
1b8450
16
Hexadecimal
77f7c
20
Vigesimal
31898
36
Base36
aj5o
md5
21fb5e1cf6294860a888a73db3b60dd0
sha1
3eaf36fba54ff3bff495ab1aca3419293076334f
sha256
7f6b63e68d67807c8a8e60902a85395b44fedd6395e7036ed1852381c97725d9
sha512
5db0677e6d1b752654c292020a35ee6019318db156210d1814d62c92b820dbecc04399de0d32f49d86fef2b7128d1e66a968d810ec572af1958f1ee8d73f3857
ripemd-160
8673e860c95b887878a135e5e4dd8784de64a348
Diameter
982776
Circumference
3087481.8617244
Area
758575768534.51
Volume
4.9700670633151E+17
Surface area
3034303074138
Circumference
3087481.8617244
Perimeter
1965552
Area
241462166544
Diagonal
694927.57398739
Surface area
1448772999264
Volume
118651611093723072
Space diagonal
851108.98222966
Perimeter
1474164
Area
104556185139.97
Altitude
425554.49111483
Surface area
104556185139.97
Volume
1.398322646718E+16
Height
231642.52466246