1998900 is an even 7-digits composite number following 1998899
and preceding 1998901 . In scientific notation, it is written as 1.998900 × 10^6.
The sum of its digits is 36. It has a total of 6 prime factors and 36 positive divisors.
There are 532800 positive integers (up to 1998900) that are relatively prime to 1998900.
1998900 has 36 divisors, whose sum is 4821740
The reverse of 1998900 is 0098991
Previous prime number is 5
Is Prime? no
Number parity even
Number length 7
Sum of Digits 36
Digital Root 9
Name
one million nine hundred ninety-eight thousand nine hundred
Scientific notation
1.998900 × 10^6
Engineering notation
1.998900 × 10^6
Prime Factorization
2 × 2 × 9 × 5 × 5 × 2221
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
199890
Product of the distinct prime numbers
The prime factorization of 1998900 is 2 × 2 × 9 × 5 × 5 × 2221.
Since it has a total of 6 prime factors.
6 , 7 , 33 , 87 , 13 , 457 , 859 , 8419 , 97925 , 48728 , 536562 , 40662 , 7635139 , 2713299 , 31172335 , 76055068 , 93625300 , 852614508 , 9917385580 , 7717537076
n×2
3997800
n×3
5996700
n×4
7995600
n×5
9994500
n÷2
999450
n÷3
666300
n÷3
499725
n÷5
399780
n2
3995601210000
n3
7986807258669000000
n4
1.5964829029353E+25
n5
3.1912096746775E+31
2 √n
1413.8246001538
3 √n
125.96900220088
4 √n
37.600859034785
5 √n
18.203638968915
1 , 2 , 4 , 5 , 9 , 10 , 18 , 20 , 25 , 36 , 45 , 50 , 90 , 100 , 180 , 225 , 450 , 900 , 2221 , 4442 , 8884 , 11105 , 19989 , 22210 , 39978 , 44420 , 55525 , 79956 , 99945 , 111050 , 199890 , 222100 , 399780 , 499725 , 999450 , 1998900
36 divisors
τ
Total Divisors
36
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1998899
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.027777777777778
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
36
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1998900 can be divided by 36 positive divisors.
The sum of these divisors (counting 1998900) is 1, the average is 0.027777777777778.
Base
System
Value
2
Binary
111101000000000110100
3
Ternary
10202112222100
4
Quaternary
13220000310
5
Quinary
1002431100
6
Senary
110502100
8
Octal
7500064
10
Decimal
1998900
12
Duodecimal
804930
16
Hexadecimal
1e8034
20
Vigesimal
c9h50
36
Base36
16ud0
md5
75f4e2115f91177aeaa1078454fc62a0
sha1
f8a7a82c7a3ff45fec378e3199284149716a6635
sha256
7bee4064409a37445949a20f8f6bb2e6e70355d8056c98c856215ec968a3d189
sha512
2fcd70dcde075a374920e7ba4d4b59ae0ff04d7c370b7b0eaff50f752efdb5719a5b8bbe0dbd883caf744f75b90fd918ea9effea074155a38919d8dbd86d871c
ripemd-160
1c2e4799b293713140e1c519a0127f4420dc0696
Diameter
3997800
Circumference
12559459.110521
Area
12552551408010
Volume
3.345506001263E+19
Surface area
50210205632042
Circumference
12559459.110521
Perimeter
7995600
Area
3995601210000
Diagonal
2826871.4898276
Surface area
23973607260000
Volume
7986807258669000000
Space diagonal
3462196.3592494
Perimeter
5996700
Area
1730146075625.9
Altitude
1731098.1796247
Surface area
1730146075625.9
Volume
9.412542621058E+17
Height
942290.49660919