1998660 is an even 7-digits composite number following 1998659
and preceding 1998661 . In scientific notation, it is written as 1.998660 × 10^6.
The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors.
There are 532960 positive integers (up to 1998660) that are relatively prime to 1998660.
1998660 has 24 divisors, whose sum is 5596416
The reverse of 1998660 is 0668991
Previous prime number is 3
Is Prime? no
Number parity even
Number length 7
Sum of Digits 39
Digital Root 3
Name
one million nine hundred ninety-eight thousand six hundred sixty
Scientific notation
1.998660 × 10^6
Engineering notation
1.998660 × 10^6
Prime Factorization
2 × 2 × 5 × 3 × 33311
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
999330
Product of the distinct prime numbers
The prime factorization of 1998660 is 2 × 2 × 5 × 3 × 33311.
Since it has a total of 5 prime factors.
6 , 8 , 60 , 100 , 76 , 932 , 5144 , 8312 , 80648 , 55341 , 566264 , 473874 , 2044311 , 5429732 , 64587898 , 81841942 , 850759690 , 6586180 , 5371940877 , 3113344653
n×2
3997320
n×3
5995980
n×4
7994640
n×5
9993300
n÷2
999330
n÷3
666220
n÷3
499665
n÷5
399732
n2
3994641795600
n3
7983930771193896000
n4
1.5957163075154E+25
n5
3.1892943551788E+31
2 √n
1413.739721448
3 √n
125.96396046616
4 √n
37.599730337438
5 √n
18.203201820165
1 , 2 , 3 , 4 , 5 , 6 , 10 , 12 , 15 , 20 , 30 , 60 , 33311 , 66622 , 99933 , 133244 , 166555 , 199866 , 333110 , 399732 , 499665 , 666220 , 999330 , 1998660
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
-1998659
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 1998660 can be divided by 24 positive divisors.
The sum of these divisors (counting 1998660) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111100111111101000100
3
Ternary
10202112122110
4
Quaternary
13213331010
5
Quinary
1002424120
6
Senary
110501020
8
Octal
7477504
10
Decimal
1998660
12
Duodecimal
804770
16
Hexadecimal
1e7f44
20
Vigesimal
c9gd0
36
Base36
16u6c
md5
05fb68b492996434e9f3ab38dff08e0a
sha1
564664052d0745c69d987a4e668bf0d9b1157f98
sha256
669d38bdeee3b270fb1129bb0b3b8f952051deeff104f89ced009638a0cec647
sha512
a19cff60528b7c9798e95c166c8260e984f55a10ad814c5246e757a9f11e193d3b4da00ee32c11e644c97958004f28a39da723b001ba62c082fec4f0ffc78ddf
ripemd-160
4f4018194cc0ec922b2f732a1a78514996f422b3
Diameter
3997320
Circumference
12557951.146048
Area
12549537318780
Volume
3.344301101007E+19
Surface area
50198149275119
Circumference
12557951.146048
Perimeter
7994640
Area
3994641795600
Diagonal
2826532.0785726
Surface area
23967850773600
Volume
7983930771193896000
Space diagonal
3461780.6670556
Perimeter
5995980
Area
1729730637004.3
Altitude
1730890.3335278
Surface area
1729730637004.3
Volume
9.4091526480586E+17
Height
942177.3595242