1998688 is an even 7-digits composite number following 1998687
and preceding 1998689 . In scientific notation, it is written as 1.998688 × 10^6.
The sum of its digits is 49. It has a total of 6 prime factors and 12 positive divisors.
There are 999328 positive integers (up to 1998688) that are relatively prime to 1998688.
1998688 has 12 divisors, whose sum is 3934980
The reverse of 1998688 is 8868991
Previous prime number is 2
Is Prime? no
Number parity even
Number length 7
Sum of Digits 49
Digital Root 4
Name
one million nine hundred ninety-eight thousand six hundred eighty-eight
Scientific notation
1.998688 × 10^6
Engineering notation
1.998688 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 62459
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
124918
Product of the distinct prime numbers
The prime factorization of 1998688 is 2 × 2 × 2 × 2 × 2 × 62459.
Since it has a total of 6 prime factors.
1 , 4 , 37 , 70 , 30 , 249 , 7909 , 8287 , 25890 , 70809 , 40450 , 289039 , 8004277 , 1023688 , 30732066 , 30601484 , 732574037 , 406241400 , 459101033 , 6456381379
n×2
3997376
n×3
5996064
n×4
7994752
n×5
9993440
n÷2
999344
n÷3
666229.33333333
n÷3
499672
n÷5
399737.6
n2
3994753721344
n3
7984266325805596672
n4
1.5958057294192E+25
n5
3.1895177617213E+31
2 √n
1413.7496242263
3 √n
125.96454868934
4 √n
37.599862024033
5 √n
18.203252823016
1 , 2 , 4 , 8 , 16 , 32 , 62459 , 124918 , 249836 , 499672 , 999344 , 1998688
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1998687
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1998688 can be divided by 12 positive divisors.
The sum of these divisors (counting 1998688) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111100111111101100000
3
Ternary
10202112200111
4
Quaternary
13213331200
5
Quinary
1002424223
6
Senary
110501104
8
Octal
7477540
10
Decimal
1998688
12
Duodecimal
804794
16
Hexadecimal
1e7f60
20
Vigesimal
c9ge8
36
Base36
16u74
md5
405a7b04285a6bad524f7aef55a3c28f
sha1
4e1ceac90d0aeb05b9bf94ad961b1d3815e797ea
sha256
1a5726e406f4fdb433b91d1fb6de6637df3f9eaa0ab22f05c6693e786c42e82e
sha512
1a971d6cd89de694f655a7e2e02a87a9f47e090fb61a9554acdac886941429426097d007bd8aadd8a9ff64b2ecb3417d5f2fc2816dfe27c7601a685fee600086
ripemd-160
1faced99a8585d0964072e38dd6b09252db4c50c
Diameter
3997376
Circumference
12558127.075236
Area
12549888943875
Volume
3.344441657794E+19
Surface area
50199555775499
Circumference
12558127.075236
Perimeter
7994752
Area
3994753721344
Diagonal
2826571.6765524
Surface area
23968522328064
Volume
7984266325805596672
Space diagonal
3461829.1644782
Perimeter
5996064
Area
1729779102273.2
Altitude
1730914.5822391
Surface area
1729779102273.2
Volume
9.4095481029609E+17
Height
942190.55885079