1668068909 is an odd 10-digits composite number following 1668068908
and preceding 1668068910 . In scientific notation, it is written as 1.668068909 × 10^9.
The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors.
There are 1537989696 positive integers (up to 1668068909) that are relatively prime to 1668068909.
1668068909 has 8 divisors, whose sum is 1798442520
The reverse of 1668068909 is 9098608661
Previous prime number is 877
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 53
Digital Root 8
Name
one billion six hundred sixty-eight million sixty-eight thousand nine hundred nine
Scientific notation
1.668068909 × 10^9
Engineering notation
1.668068909 × 10^9
Prime Factorization
13 × 877 × 146309
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1668068909
Product of the distinct prime numbers
The prime factorization of 1668068909 is 13 × 877 × 146309.
Since it has a total of 3 prime factors.
6 , 8 , 33 , 55 , 727 , 492 , 1534 , 263 , 55638 , 76470 , 669687 , 925837 , 8222990 , 2413744 , 80036901 , 34398362 , 584920062 , 217408658 , 8623921400 , 6125204213
n×2
3336137818
n×3
5004206727
n×4
6672275636
n×5
8340344545
n÷2
834034454.5
n÷3
556022969.66667
n÷3
417017227.25
n÷5
333613781.8
n2
2782453885172450281
n3
4.6413248165824E+27
n4
7.7420496231113E+36
n5
1.2914272268247E+46
2 √n
40841.999326674
3 √n
1185.9635167132
4 √n
202.09403585132
5 √n
69.894467021404
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1668068908
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1668068909 can be divided by 8 positive divisors.
The sum of these divisors (counting 1668068909) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100011011011001011011000101101
3
Ternary
11022020202200100222
4
Quaternary
1203123023120231
5
Quinary
11404011201114
6
Senary
433304301125
8
Octal
14333133055
10
Decimal
1668068909
12
Duodecimal
3a67717a5
16
Hexadecimal
636cb62d
20
Vigesimal
16158c59
36
Base36
rl4i7h
md5
952565a7fc88ba30607905ff5081b98a
sha1
21ce564ff2d17e0ec747a060e2cfa99705e22734
sha256
8a4b4e0d3a6f5a91da8df6cfc0c938b74a81188c342f3605090c3d8e3f4d0cd4
sha512
3934b603ef40d1f45d6ab38eea8cf0b7841e1a76db87747352929bd2a7706bd9c4565f1226b99bfd15d319be9b67db222985e62ba01c063a78027a4a15fbade4
ripemd-160
fd8a6b3b9ed1698011007194c0691c69804a97aa
Diameter
3336137818
Circumference
10480786060.392
Area
8.7413366846101E+18
Volume
1.9441535928932E+28
Surface area
3.4965346738441E+19
Circumference
10480786060.392
Perimeter
6672275636
Area
2782453885172450281
Diagonal
2359005674.0807
Surface area
1.6694723311035E+19
Volume
4.6413248165824E+27
Space diagonal
2889180100.914
Perimeter
5004206727
Area
1.204837874709E+18
Altitude
1444590050.457
Surface area
1.204837874709E+18
Volume
5.4698537524914E+26
Height
786335224.69356