268491491 is an odd 9-digits composite number following 268491490
and preceding 268491492 . In scientific notation, it is written as 2.68491491 × 10^8.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 268458000 positive integers (up to 268491491) that are relatively prime to 268491491.
268491491 has 4 divisors, whose sum is 268524984
The reverse of 268491491 is 194194862
Previous prime number is 13291
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
two hundred sixty-eight million four hundred ninety-one thousand four hundred ninety-one
Scientific notation
2.68491491 × 10^8
Engineering notation
2.68491491 × 10^6
Prime Factorization
13291 × 20201
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
268491491
Product of the distinct prime numbers
The prime factorization of 268491491 is 13291 × 20201.
Since it has a total of 2 prime factors.
8 , 5 , 21 , 89 , 381 , 313 , 2099 , 794 , 32954 , 60798 , 154320 , 694738 , 256154 , 450569 , 52135185 , 56841187 , 790250985 , 573177509 , 7648486619 , 745003844
n×2
536982982
n×3
805474473
n×4
1073965964
n×5
1342457455
n÷2
134245745.5
n÷3
89497163.666667
n÷3
67122872.75
n÷5
53698298.2
n2
72087680739403081
n3
1.9354928884454E+25
n4
5.1966337143861E+33
n5
1.3952519341564E+42
2 √n
16385.709963258
3 √n
645.12446048845
4 √n
128.0066793697
5 √n
48.504954924029
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-268491490
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 268491491 can be divided by 4 positive divisors.
The sum of these divisors (counting 268491491) is 1, the average is 0.25.
Base
System
Value
2
Binary
10000000000001101101011100011
3
Ternary
200201012210002022
4
Quaternary
100000031223203
5
Quinary
1022213211431
6
Senary
42350412055
8
Octal
2000155343
10
Decimal
268491491
12
Duodecimal
75b0102b
16
Hexadecimal
1000dae3
20
Vigesimal
43i18eb
36
Base36
4fupcz
md5
cbeede537fc9ae3d4125c7e92aa1ce02
sha1
19ae39893dc61578a48757e9d54016df0dce34e9
sha256
0c467cb598833a9cfde44c12e065013904e6ee2989904a70806edb91ec09c0e1
sha512
ad5295bf6ee954ff73b4642007e4425501ced2c66b3deb04ee5d3ea4a2d92f6a6d5411b997ba3aebf4838fd39f970227a0b2deffc300af54ad0457c9e530bfe4
ripemd-160
bf259b02d15e2b972bd5c69aa6b40ad6bcc19a6d
Diameter
536982982
Circumference
1686981791.3539
Area
2.2647012822524E+17
Volume
8.1073736525539E+25
Surface area
9.0588051290094E+17
Circumference
1686981791.3539
Perimeter
1073965964
Area
72087680739403081
Diagonal
379704307.95397
Surface area
432526084436418486
Volume
1.9354928884454E+25
Space diagonal
465040903.81192
Perimeter
805474473
Area
3.1214881410113E+16
Altitude
232520451.90596
Surface area
3.1214881410113E+16
Volume
2.2810002439302E+24
Height
126568102.65132