168390690 is an even 9-digits composite number following 168390689
and preceding 168390691 . In scientific notation, it is written as 1.68390690 × 10^8.
The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors.
There are 40435200 positive integers (up to 168390690) that are relatively prime to 168390690.
168390690 has 32 divisors, whose sum is 318487680
The reverse of 168390690 is 096093861
Previous prime number is 41
Is Prime? no
Number parity even
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred sixty-eight million three hundred ninety thousand six hundred ninety
Scientific notation
1.68390690 × 10^8
Engineering notation
1.68390690 × 10^6
Prime Factorization
2 × 39 × 5 × 41 × 10531
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
168390690
Product of the distinct prime numbers
The prime factorization of 168390690 is 2 × 39 × 5 × 41 × 10531.
Since it has a total of 5 prime factors.
2 , 2 , 66 , 65 , 409 , 977 , 7760 , 150 , 67506 , 12996 , 998793 , 479496 , 2125840 , 4650458 , 4327627 , 94965063 , 488477306 , 647906578 , 1654106507 , 3939389992
n×2
336781380
n×3
505172070
n×4
673562760
n×5
841953450
n÷2
84195345
n÷3
56130230
n÷3
42097672.5
n÷5
33678138
n2
28355424478676100
n3
4.7747894932072E+24
n4
8.040300973659E+32
n5
1.3539118287621E+41
2 √n
12976.543838789
3 √n
552.21223591577
4 √n
113.91463399752
5 √n
44.183856050655
1 , 2 , 5 , 10 , 39 , 41 , 78 , 82 , 195 , 205 , 390 , 410 , 1599 , 3198 , 7995 , 10531 , 15990 , 21062 , 52655 , 105310 , 410709 , 431771 , 821418 , 863542 , 2053545 , 2158855 , 4107090 , 4317710 , 16839069 , 33678138 , 84195345 , 168390690
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-168390689
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 168390690 can be divided by 32 positive divisors.
The sum of these divisors (counting 168390690) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000010010111000000100010
3
Ternary
102201212010121020
4
Quaternary
22002113000202
5
Quinary
321102000230
6
Senary
24413110310
8
Octal
1202270042
10
Decimal
168390690
12
Duodecimal
48488396
16
Hexadecimal
a097022
20
Vigesimal
2cc8gea
36
Base36
2s9736
md5
6b9f16b81775e86153ad4c9f12ad2e37
sha1
e51b051a56d02e32cf13035bbe3250302e5359bf
sha256
6ebb244de1bc62c9957c2a1a08a925d6f68a6cbca51d2043f1acda61df3e9d6a
sha512
da0bcd7624d0f7c2f90926a73f7d8600e68c3023ff9ec45926c14e83dd8b6e4389af3f369295682cf191e7072b7280945ea371ca61fbfe23546bfa6193868c45
ripemd-160
cfd65e2e912abe4af83307919e4f580400e2727b
Diameter
336781380
Circumference
1058029909.2738
Area
8.9081193231629E+16
Volume
2.0000591459063E+25
Surface area
3.5632477292652E+17
Circumference
1058029909.2738
Perimeter
673562760
Area
28355424478676100
Diagonal
238140397.57536
Surface area
170132546872056600
Volume
4.7747894932072E+24
Space diagonal
291661230.60158
Perimeter
505172070
Area
1.2278258966812E+16
Altitude
145830615.30079
Surface area
1.2278258966812E+16
Volume
5.6271433823084E+23
Height
79380132.525121