268161909 is an odd 9-digits composite number following 268161908
and preceding 268161910 . In scientific notation, it is written as 2.68161909 × 10^8.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 177134256 positive integers (up to 268161909) that are relatively prime to 268161909.
268161909 has 8 divisors, whose sum is 360829920
The reverse of 268161909 is 909161862
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
two hundred sixty-eight million one hundred sixty-one thousand nine hundred nine
Scientific notation
2.68161909 × 10^8
Engineering notation
2.68161909 × 10^6
Prime Factorization
3 × 109 × 820067
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
268161909
Product of the distinct prime numbers
The prime factorization of 268161909 is 3 × 109 × 820067.
Since it has a total of 3 prime factors.
5 , 8 , 71 , 41 , 169 , 422 , 7144 , 1355 , 71549 , 92846 , 345302 , 299288 , 3567503 , 2238830 , 12443466 , 85947999 , 47426362 , 75969234 , 7454419745 , 1733122823
n×2
536323818
n×3
804485727
n×4
1072647636
n×5
1340809545
n÷2
134080954.5
n÷3
89387303
n÷3
67040477.25
n÷5
53632381.8
n2
71910809438524281
n3
1.928373993677E+25
n4
5.1711645141038E+33
n5
1.3867093478551E+42
2 √n
16375.649880234
3 √n
644.86038201503
4 √n
127.9673781877
5 √n
48.493040792009
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
-268161908
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 268161909 can be divided by 8 positive divisors.
The sum of these divisors (counting 268161909) is 1, the average is 0.125.
Base
System
Value
2
Binary
1111111110111101001101110101
3
Ternary
200200121000222120
4
Quaternary
33332331031311
5
Quinary
1022122140114
6
Senary
42335350153
8
Octal
1776751565
10
Decimal
268161909
12
Duodecimal
75982359
16
Hexadecimal
ffbd375
20
Vigesimal
43g04f9
36
Base36
4fnn1x
md5
1385e6b55828ae3f9cef4ce48934866b
sha1
4e50927f9432adca1dd73fb125e6dec4db79c61c
sha256
1554bf01d4fe8acf8790764846e89309f9707a8d4e8925731b11f94e1cb43bca
sha512
d13ef63592e45db03102aff750aaf8ac77feeb181eb5da36a09117bee111573e5945357ed8c843b1ddc65f60efd5a259a5f1f7ef0c9357e226301aaa0617c1e0
ripemd-160
8fa555dd194a7e4f9daff5f74d665e577cdbdeab
Diameter
536323818
Circumference
1684910966.574
Area
2.2591447064576E+17
Volume
8.077554095879E+25
Surface area
9.0365788258305E+17
Circumference
1684910966.574
Perimeter
1072647636
Area
71910809438524281
Diagonal
379238208.61966
Surface area
431464856631145686
Volume
1.928373993677E+25
Space diagonal
464470051.04266
Perimeter
804485727
Area
3.1138293890232E+16
Altitude
232235025.52133
Surface area
3.1138293890232E+16
Volume
2.272610545988E+24
Height
126412736.20655