168391105 is an odd 9-digits composite number following 168391104
and preceding 168391106 . In scientific notation, it is written as 1.68391105 × 10^8.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 134712880 positive integers (up to 168391105) that are relatively prime to 168391105.
168391105 has 4 divisors, whose sum is 202069332
The reverse of 168391105 is 501193861
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
one hundred sixty-eight million three hundred ninety-one thousand one hundred five
Scientific notation
1.68391105 × 10^8
Engineering notation
1.68391105 × 10^6
Prime Factorization
5 × 33678221
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
168391105
Product of the distinct prime numbers
The prime factorization of 168391105 is 5 × 33678221.
Since it has a total of 2 prime factors.
9 , 4 , 42 , 76 , 492 , 418 , 1936 , 2518 , 63136 , 62696 , 392064 , 997227 , 8331004 , 8084700 , 55138468 , 84434571 , 488659796 , 203705804 , 1004117881 , 8008791142
n×2
336782210
n×3
505173315
n×4
673564420
n×5
841955525
n÷2
84195552.5
n÷3
56130368.333333
n÷3
42097776.25
n÷5
33678221
n2
28355564243121025
n3
4.7748247957976E+24
n4
8.0403802354576E+32
n5
1.3539285124689E+41
2 √n
12976.559829169
3 √n
552.212689559
4 √n
113.9147041833
5 √n
44.183877828916
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
-168391104
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 168391105 can be divided by 4 positive divisors.
The sum of these divisors (counting 168391105) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000010010111000111000001
3
Ternary
102201212011011121
4
Quaternary
22002113013001
5
Quinary
321102003410
6
Senary
24413112241
8
Octal
1202270701
10
Decimal
168391105
12
Duodecimal
48488681
16
Hexadecimal
a0971c1
20
Vigesimal
2cc8hf5
36
Base36
2s97ep
md5
ff040035b0ebb4dfd4b43f74b3a41dfe
sha1
38fd43a8916f168297bdccb7f60e52056bd25a42
sha256
215185f1c7ad416fa77c14c11f2dcfb91c0cd463af961ef8805154132ec4851b
sha512
95a910d99b9887a01dac4a56a911721e8c3608a142962083996def4aa8c38793812237765fcd4da1a0e95e8034a6db49fb1dfe7885f67cf49bbee32abd50034f
ripemd-160
e1539ba3fade5ebea02938f283a76b442f0116a2
Diameter
336782210
Circumference
1058032516.7957
Area
8.9081632314582E+16
Volume
2.0000739334208E+25
Surface area
3.5632652925833E+17
Circumference
1058032516.7957
Perimeter
673564420
Area
28355564243121025
Diagonal
238140984.47399
Surface area
170133385458726150
Volume
4.7748247957976E+24
Space diagonal
291661949.40267
Perimeter
505173315
Area
1.2278319486592E+16
Altitude
145830974.70133
Surface area
1.2278319486592E+16
Volume
5.6271849868103E+23
Height
79380328.157997