168398919 is an odd 9-digits composite number following 168398918
and preceding 168398920 . In scientific notation, it is written as 1.68398919 × 10^8.
The sum of its digits is 54. It has a total of 5 prime factors and 24 positive divisors.
There are 97954272 positive integers (up to 168398919) that are relatively prime to 168398919.
168398919 has 24 divisors, whose sum is 199613520
The reverse of 168398919 is 919893861
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 54
Digital Root 9
Name
one hundred sixty-eight million three hundred ninety-eight thousand nine hundred nineteen
Scientific notation
1.68398919 × 10^8
Engineering notation
1.68398919 × 10^6
Prime Factorization
117 × 9 × 19 × 19 × 443
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
8863101
Product of the distinct prime numbers
The prime factorization of 168398919 is 117 × 9 × 19 × 19 × 443.
Since it has a total of 5 prime factors.
3 , 4 , 87 , 2 , 780 , 701 , 5951 , 7472 , 96348 , 36878 , 483688 , 662855 , 7565177 , 9690064 , 89264365 , 7186766 , 21363442 , 919786312 , 4469536563 , 3966679875
n×2
336797838
n×3
505196757
n×4
673595676
n×5
841994595
n÷2
84199459.5
n÷3
56132973
n÷3
42099729.75
n÷5
33679783.8
n2
28358195920368561
n3
4.7754895377803E+24
n4
8.0418727585801E+32
n5
1.3542426792804E+41
2 √n
12976.860907014
3 √n
552.22123102999
4 √n
113.91602568126
5 √n
44.184287881945
1 , 9 , 19 , 117 , 171 , 361 , 443 , 1053 , 2223 , 3249 , 3987 , 8417 , 20007 , 42237 , 51831 , 75753 , 159923 , 380133 , 466479 , 984789 , 1439307 , 8863101 , 18710991 , 168398919
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-168398918
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 168398919 can be divided by 24 positive divisors.
The sum of these divisors (counting 168398919) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000010011001000001000111
3
Ternary
102201212112220000
4
Quaternary
22002121001013
5
Quinary
321102231134
6
Senary
24413212343
8
Octal
1202310107
10
Decimal
168398919
12
Duodecimal
484910b3
16
Hexadecimal
a099047
20
Vigesimal
2cc9h5j
36
Base36
2s9dfr
md5
7929d797a8dfdd8efd6f89cc38a3fe47
sha1
69259003598f4cc081c0f1c486098c1b5e8b2090
sha256
050f19a757c228a4cbedae287ec3d7218b9dce541ca0c783ee003ca7d7c91e45
sha512
bd38448857a4d2565a397e7b1c4bf2c638ebc7b7115cef57fc60d75332210c8ef31489ecf671ae00a5080f7937233f524519084f918b05c266e32831392e9bb6
ripemd-160
911f92888d1b96d9626dbaad586cce664b4dad93
Diameter
336797838
Circumference
1058081613.6057
Area
8.908989997249E+16
Volume
2.0003523798914E+25
Surface area
3.5635959988996E+17
Circumference
1058081613.6057
Perimeter
673595676
Area
28358195920368561
Diagonal
238152035.13877
Surface area
170149175522211366
Volume
4.7754895377803E+24
Space diagonal
291675483.64768
Perimeter
505196757
Area
1.2279459036268E+16
Altitude
145837741.82384
Surface area
1.2279459036268E+16
Volume
5.6279683927497E+23
Height
79384011.712923