19998666 is an even 8-digits composite number following 19998665
and preceding 19998667 . In scientific notation, it is written as 1.9998666 × 10^7.
The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors.
There are 6604416 positive integers (up to 19998666) that are relatively prime to 19998666.
19998666 has 16 divisors, whose sum is 33640200
The reverse of 19998666 is 66689991
Previous prime number is 109
Is Prime? no
Number parity even
Number length 8
Sum of Digits 54
Digital Root 9
Name
nineteen million nine hundred ninety-eight thousand six hundred sixty-six
Scientific notation
1.9998666 × 10^7
Engineering notation
1.9998666 × 10^6
Prime Factorization
2 × 9 × 109 × 10193
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19998666
Product of the distinct prime numbers
The prime factorization of 19998666 is 2 × 9 × 109 × 10193.
Since it has a total of 4 prime factors.
8 , 6 , 77 , 97 , 582 , 511 , 9415 , 378 , 8432 , 68529 , 654984 , 594250 , 2015374 , 144016 , 99633179 , 78262118 , 623499675 , 700715765 , 8411180823 , 2010112378
n×2
39997332
n×3
59995998
n×4
79994664
n×5
99993330
n÷2
9999333
n÷3
6666222
n÷3
4999666.5
n÷5
3999733.2
n2
399946641779556
n3
7.998399306771E+21
n4
1.5995731627074E+29
n5
3.198932942355E+36
2 √n
4471.9868067784
3 √n
271.43572647014
4 √n
66.872915345291
5 √n
28.85361319554
1 , 2 , 9 , 18 , 109 , 218 , 981 , 1962 , 10193 , 20386 , 91737 , 183474 , 1111037 , 2222074 , 9999333 , 19998666
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19998665
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19998666 can be divided by 16 positive divisors.
The sum of these divisors (counting 19998666) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100010010011111001010
3
Ternary
1101122001000100
4
Quaternary
1030102133022
5
Quinary
20104424131
6
Senary
1552350230
8
Octal
114223712
10
Decimal
19998666
12
Duodecimal
6845376
16
Hexadecimal
13127ca
20
Vigesimal
64jgd6
36
Base36
bwn2i
md5
60cbb439106d9c7e131c091a7dea59ca
sha1
be6b1994e689d0970afd88e51987f25ab554caea
sha256
fa12ddcadd3546c4306de9b2e4636010fc20354c28dcef45062a889b41079b7a
sha512
a6e4747edca32a9d935d4b60f538607f674e297df8feb0a072c5df8de164e719e82d701e9d25c769e909f02ff74641a22a93d4d5ca95c3ffacd38bd38f015752
ripemd-160
4367fb7ca114cef589671e577fcac615d4c1da8a
Diameter
39997332
Circumference
125655324.37439
Area
1.2564694316426E+15
Volume
3.3503616670173E+22
Surface area
5.0258777265702E+15
Circumference
125655324.37439
Perimeter
79994664
Area
399946641779556
Diagonal
28282384.68657
Surface area
2399679850677336
Volume
7.998399306771E+21
Space diagonal
34638705.5956
Perimeter
59995998
Area
1.7318197596969E+14
Altitude
17319352.7978
Surface area
1.7318197596969E+14
Volume
9.4262039807592E+20
Height
9427461.5621899