1998664 is an even 7-digits composite number following 1998663
and preceding 1998665 . In scientific notation, it is written as 1.998664 × 10^6.
The sum of its digits is 43. It has a total of 4 prime factors and 8 positive divisors.
There are 999328 positive integers (up to 1998664) that are relatively prime to 1998664.
1998664 has 8 divisors, whose sum is 3747510
The reverse of 1998664 is 4668991
Previous prime number is 2
Is Prime? no
Number parity even
Number length 7
Sum of Digits 43
Digital Root 7
Name
one million nine hundred ninety-eight thousand six hundred sixty-four
Scientific notation
1.998664 × 10^6
Engineering notation
1.998664 × 10^6
Prime Factorization
2 × 2 × 2 × 249833
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
499666
Product of the distinct prime numbers
The prime factorization of 1998664 is 2 × 2 × 2 × 249833.
Since it has a total of 4 prime factors.
2 , 6 , 21 , 83 , 952 , 553 , 9807 , 1099 , 47221 , 10949 , 293163 , 928484 , 1551653 , 6002505 , 81669793 , 23610386 , 724383494 , 984157816 , 3303133217 , 9630288953
n×2
3997328
n×3
5995992
n×4
7994656
n×5
9993320
n÷2
999332
n÷3
666221.33333333
n÷3
499666
n÷5
399732.8
n2
3994657784896
n3
7983978706991378944
n4
1.595729081843E+25
n5
3.1893262696327E+31
2 √n
1413.7411361349
3 √n
125.96404449838
4 √n
37.599749149893
5 √n
18.203209106321
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
-1998663
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 1998664 can be divided by 8 positive divisors.
The sum of these divisors (counting 1998664) is 1, the average is 0.125.
Base
System
Value
2
Binary
111100111111101001000
3
Ternary
10202112122121
4
Quaternary
13213331020
5
Quinary
1002424124
6
Senary
110501024
8
Octal
7477510
10
Decimal
1998664
12
Duodecimal
804774
16
Hexadecimal
1e7f48
20
Vigesimal
c9gd4
36
Base36
16u6g
md5
ca89c3eb2f38edcd2da411d0fd212850
sha1
a638360e0d8839602b31f0862fa952f99077ff71
sha256
e846144b5dac0f716f74cd32a34a8cf56362e8257b18660e3185f8796684a3a7
sha512
70a2cd470bf99637000148ddec6b849a60c5be374fc67fe52e60a39273fb26bbc016ae3e063b04b2b3865b7a828cd845de4efb72258e2bb379c56ab74b44ec4c
ripemd-160
4ad9a47b84fac46f7a2bf8ae7e2e45711d311b9f
Diameter
3997328
Circumference
12557976.278789
Area
12549587550635
Volume
3.3443211803069E+19
Surface area
50198350202538
Circumference
12557976.278789
Perimeter
7994656
Area
3994657784896
Diagonal
2826537.7354269
Surface area
23967946709376
Volume
7983978706991378944
Space diagonal
3461787.5952588
Perimeter
5995992
Area
1729737560572.6
Altitude
1730893.7976294
Surface area
1729737560572.6
Volume
9.4092091409377E+17
Height
942179.24514229