168385940 is an even 9-digits composite number following 168385939
and preceding 168385941 . In scientific notation, it is written as 1.68385940 × 10^8.
The sum of its digits is 44. It has a total of 4 prime factors and 12 positive divisors.
There are 67354368 positive integers (up to 168385940) that are relatively prime to 168385940.
168385940 has 12 divisors, whose sum is 353610516
The reverse of 168385940 is 049583861
Previous prime number is 5
Is Prime? no Number parity even Number length 9 Sum of Digits 44 Digital Root 8
Name
one hundred sixty-eight million three hundred eighty-five thousand nine hundred forty
Scientific notation
1.68385940 × 10^8
Engineering notation
1.68385940 × 10^6
Prime Factorization
2 × 2 × 5 × 8419297
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
84192970 Product of the distinct prime numbers
The prime factorization of 168385940 is 2 × 2 × 5 × 8419297.
Since it has a total of 4 prime factors.
5 , 4 , 4 , 35 , 284 , 472 , 1868 , 9431 , 39338 , 66870 , 973745 , 869592 , 263750 , 540711 , 73131652 , 67331570 , 837993422 , 89211333 , 5145831152 , 3098378328
n×2
336771880
n×3
505157820
n×4
673543760
n×5
841929700
n÷2
84192970
n÷3
56128646.666667
n÷3
42096485
n÷5
33677188
n2
28353824789683600
n3
4.7743854398062E+24
n4
8.0393938020408E+32
n5
1.3537208823868E+41
2 √n12976.360814959
3 √n552.20704356065
4 √n113.91383065703
5 √n44.183606778342
1 , 2 , 4 , 5 , 10 , 20 , 8419297 , 16838594 , 33677188 , 42096485 , 84192970 , 168385940
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
-168385939 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 168385940 can be divided by 12 positive divisors.
The sum of these divisors (counting 168385940) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000010010101110110010100
3
Ternary
102201211220002022
4
Quaternary
22002111312110
5
Quinary
321101322230
6
Senary
24413032312
8
Octal
1202256624
10
Decimal
168385940
12
Duodecimal
48485698
16
Hexadecimal
a095d94
20
Vigesimal
2cc84h0
36
Base36
2s93f8
md5
bf0f3c9bb808f071ff179d9f124f4414
sha1
5cdbc64fe5cbd930f2b9fc14a0b0e8c0e53e110a
sha256
85e89e58c3f58bec2b29334ed5aa01a4b24fbfc9e9d11762a4b5eef333087016
sha512
42431ecf8b69b78eafcba21f6485e225d7c739fd2a4ef6c4e91cfdefe1a38a9b38d00ea950398f684a55d3bae8200ab23c49ca784da063e83505317f69f02b00
ripemd-160
2ffba1ed19b8642453af86d04da6def92ec6017a
Diameter
336771880
Circumference
1058000064.1436
Area
8.9076167660442E+16
Volume
1.9998898964135E+25
Surface area
3.5630467064177E+17
Circumference
1058000064.1436
Perimeter
673543760
Area
28353824789683600
Diagonal
238133680.06094
Surface area
170122948738101600
Volume
4.7743854398062E+24
Space diagonal
291653003.36024
Perimeter
505157820
Area
1.2277566281159E+16
Altitude
145826501.68012
Surface area
1.2277566281159E+16
Volume
5.6266672008088E+23
Height
79377893.353647