168656421 is an odd 9-digits composite number following 168656420
and preceding 168656422 . In scientific notation, it is written as 1.68656421 × 10^8.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 112333472 positive integers (up to 168656421) that are relatively prime to 168656421.
168656421 has 8 divisors, whose sum is 225083520
The reverse of 168656421 is 124656861
Previous prime number is 1103
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred sixty-eight million six hundred fifty-six thousand four hundred twenty-one
Scientific notation
1.68656421 × 10^8
Engineering notation
1.68656421 × 10^6
Prime Factorization
3 × 1103 × 50969
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
168656421
Product of the distinct prime numbers
The prime factorization of 168656421 is 3 × 1103 × 50969.
Since it has a total of 3 prime factors.
1 , 3 , 21 , 99 , 937 , 55 , 7385 , 8497 , 77383 , 78749 , 975349 , 503159 , 975237 , 2302062 , 96126683 , 76751288 , 941977253 , 310287183 , 9025869583 , 9321815284
n×2
337312842
n×3
505969263
n×4
674625684
n×5
843282105
n÷2
84328210.5
n÷3
56218807
n÷3
42164105.25
n÷5
33731284.2
n2
28444988344529241
n3
4.797429929575E+24
n4
8.091173619204E+32
n5
1.3646283843046E+41
2 √n
12986.778699893
3 √n
552.50255835783
4 √n
113.95954852444
5 √n
44.197792232088
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
-168656420
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 168656421 can be divided by 8 positive divisors.
The sum of these divisors (counting 168656421) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000011010111111000100101
3
Ternary
102202100122010010
4
Quaternary
22003113320211
5
Quinary
321134001141
6
Senary
24422520433
8
Octal
1203277045
10
Decimal
168656421
12
Duodecimal
48596119
16
Hexadecimal
a0d7e25
20
Vigesimal
2ce2111
36
Base36
2sew4l
md5
fa0583d1cf46f2f4951cd6fb68fc8775
sha1
76a63879c78746604022a0a187dc6ec5dc565cf4
sha256
74a9cc26842122c8c6a644266839c8270b6e41e55e73a3e80ae5a4ec6ce99089
sha512
d48fba8553230773a4e9fbab8bd3953896a74087cba135e4e35a6ddf178ee98f7ddbe760254e0b1ab2920a972d15ed0f3fa276a011a3f4c0e0a3749c51402323
ripemd-160
95c4811b63a6e57d1125844e2da03ab32566920b
Diameter
337312842
Circumference
1059699546.3887
Area
8.936256641462E+16
Volume
2.0095427497153E+25
Surface area
3.5745026565848E+17
Circumference
1059699546.3887
Perimeter
674625684
Area
28444988344529241
Diagonal
238516197.95951
Surface area
170669930067175446
Volume
4.797429929575E+24
Space diagonal
292121490.19473
Perimeter
505969263
Area
1.2317041258357E+16
Altitude
146060745.09736
Surface area
1.2317041258357E+16
Volume
5.6538253924497E+23
Height
79505399.319835