1998450 is an even 7-digits composite number following 1998449
and preceding 1998451 . In scientific notation, it is written as 1.998450 × 10^6.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 532800 positive integers (up to 1998450) that are relatively prime to 1998450.
1998450 has 16 divisors, whose sum is 3677976
The reverse of 1998450 is 0548991
Previous prime number is 45
Is Prime? no
Number parity even
Number length 7
Sum of Digits 36
Digital Root 9
Name
one million nine hundred ninety-eight thousand four hundred fifty
Scientific notation
1.998450 × 10^6
Engineering notation
1.998450 × 10^6
Prime Factorization
2 × 5 × 45 × 4441
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1998450
Product of the distinct prime numbers
The prime factorization of 1998450 is 2 × 5 × 45 × 4441.
Since it has a total of 4 prime factors.
8 , 7 , 28 , 91 , 745 , 190 , 1297 , 3705 , 28294 , 48509 , 650063 , 29792 , 7118077 , 2869036 , 62639288 , 68209937 , 10001792 , 858012575 , 5490223901 , 3348943170
n×2
3996900
n×3
5995350
n×4
7993800
n×5
9992250
n÷2
999225
n÷3
666150
n÷3
499612.5
n÷5
399690
n2
3993802402500
n3
7981414411276125000
n4
1.5950457630215E+25
n5
3.1876192051103E+31
2 √n
1413.6654484
3 √n
125.95954861719
4 √n
37.598742643871
5 √n
18.202819280558
1 , 2 , 5 , 10 , 45 , 90 , 225 , 450 , 4441 , 8882 , 22205 , 44410 , 199845 , 399690 , 999225 , 1998450
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
-1998449
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 1998450 can be divided by 16 positive divisors.
The sum of these divisors (counting 1998450) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111100111111001110010
3
Ternary
10202112100200
4
Quaternary
13213321302
5
Quinary
1002422300
6
Senary
110500030
8
Octal
7477162
10
Decimal
1998450
12
Duodecimal
804616
16
Hexadecimal
1e7e72
20
Vigesimal
c9g2a
36
Base36
16u0i
md5
ba2dc3035e0c4cc1f17e5f61bb4dcdce
sha1
46078edf0f5e1964fea2d09ac005b14d45695c40
sha256
ace0caf3d880e8952f59698829ae5d50e5e89542ab893fd3188c3086af403a52
sha512
0c4e77512127f06029db02c233d5431b1d3414c6388fdb17639143ee165985dc52ef71c35ffd8dc04612d9a921bdd263bb4695f02befc115142206b8467de1ba
ripemd-160
9721b2c7f0e02b8996959090131cc54f675363f1
Diameter
3996900
Circumference
12556631.677133
Area
12546900287583
Volume
3.3432470506294E+19
Surface area
50187601150333
Circumference
12556631.677133
Perimeter
7993800
Area
3993802402500
Diagonal
2826235.0937245
Surface area
23962814415000
Volume
7981414411276125000
Space diagonal
3461416.936386
Perimeter
5995350
Area
1729367169130.2
Altitude
1730708.468193
Surface area
1729367169130.2
Volume
9.4061870894556E+17
Height
942078.36457484