1998218 is an even 7-digits composite number following 1998217
and preceding 1998219 . In scientific notation, it is written as 1.998218 × 10^6.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 991116 positive integers (up to 1998218) that are relatively prime to 1998218.
1998218 has 8 divisors, whose sum is 3021312
The reverse of 1998218 is 8128991
Previous prime number is 127
Is Prime? no
Number parity even
Number length 7
Sum of Digits 38
Digital Root 2
Name
one million nine hundred ninety-eight thousand two hundred eighteen
Scientific notation
1.998218 × 10^6
Engineering notation
1.998218 × 10^6
Prime Factorization
2 × 127 × 7867
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1998218
Product of the distinct prime numbers
The prime factorization of 1998218 is 2 × 127 × 7867.
Since it has a total of 3 prime factors.
2 , 1 , 42 , 38 , 847 , 594 , 6226 , 3824 , 23650 , 74959 , 170430 , 987112 , 7305412 , 4046730 , 51882391 , 41517528 , 824911228 , 771659142 , 2763514459 , 5178526511
n×2
3996436
n×3
5994654
n×4
7992872
n×5
9991090
n÷2
999109
n÷3
666072.66666667
n÷3
499554.5
n÷5
399643.6
n2
3992875175524
n3
7978635047485216232
n4
1.5943052167316E+25
n5
3.1857693815669E+31
2 √n
1413.5833898288
3 √n
125.95467421516
4 √n
37.597651387139
5 √n
18.202396627983
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
-1998217
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 1998218 can be divided by 8 positive divisors.
The sum of these divisors (counting 1998218) is 1, the average is 0.125.
Base
System
Value
2
Binary
111100111110110001010
3
Ternary
10202112001002
4
Quaternary
13213312022
5
Quinary
1002420333
6
Senary
110455002
8
Octal
7476612
10
Decimal
1998218
12
Duodecimal
804462
16
Hexadecimal
1e7d8a
20
Vigesimal
c9fai
36
Base36
16tu2
md5
6904bed5e89e84cfbadbf28cc39856dd
sha1
0ee9203a1f54a44498e3ead779d8211f0bd7dc6e
sha256
476bda847b231a8a7c5c207b05e2e92b6577ce759abeb479d001550a31cce909
sha512
339b22530860f6d15609d9428ca94a154e9c1357426d71439e653e86851166d1c1d41f50a7da71fa5250ec956cc68d67096ee35a836fa359f2211feca510d207
ripemd-160
3bf018595f3d106a72e1ed89c638bee57f219922
Diameter
3996436
Circumference
12555173.978142
Area
12543987318127
Volume
3.3420828334471E+19
Surface area
50175949272509
Circumference
12555173.978142
Perimeter
7992872
Area
3992875175524
Diagonal
2825906.996178
Surface area
23957251053144
Volume
7978635047485216232
Space diagonal
3461015.1005987
Perimeter
5994654
Area
1728965668072
Altitude
1730507.5502993
Surface area
1728965668072
Volume
9.4029115778157E+17
Height
941968.99872601