1998939 is an odd 7-digits composite number following 1998938
and preceding 1998940 . In scientific notation, it is written as 1.998939 × 10^6.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 1327136 positive integers (up to 1998939) that are relatively prime to 1998939.
1998939 has 8 divisors, whose sum is 2676240
The reverse of 1998939 is 9398991
Previous prime number is 269
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 48
Digital Root 3
Name
one million nine hundred ninety-eight thousand nine hundred thirty-nine
Scientific notation
1.998939 × 10^6
Engineering notation
1.998939 × 10^6
Prime Factorization
3 × 269 × 2477
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1998939
Product of the distinct prime numbers
The prime factorization of 1998939 is 3 × 269 × 2477.
Since it has a total of 3 prime factors.
2 , 7 , 67 , 3 , 485 , 52 , 604 , 9827 , 84373 , 5658 , 606856 , 2673 , 7492169 , 5778280 , 9556483 , 31581003 , 29249580 , 922049199 , 9738022701 , 7314738974
n×2
3997878
n×3
5996817
n×4
7995756
n×5
9994695
n÷2
999469.5
n÷3
666313
n÷3
499734.75
n÷5
399787.8
n2
3995757125721
n3
7987274753131610019
n4
1.596607500775E+25
n5
3.1915210009917E+31
2 √n
1413.8383924622
3 √n
125.96982144465
4 √n
37.601042438504
5 √n
18.203710001621
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
-1998938
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 1998939 can be divided by 8 positive divisors.
The sum of these divisors (counting 1998939) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101000000001011011
3
Ternary
10202120000210
4
Quaternary
13220001123
5
Quinary
1002431224
6
Senary
110502203
8
Octal
7500133
10
Decimal
1998939
12
Duodecimal
804963
16
Hexadecimal
1e805b
20
Vigesimal
c9h6j
36
Base36
16ue3
md5
e842175fb32baa1de5df810d62d498dd
sha1
a5f144db3ac283116b52c29c718a4cda3ad2f332
sha256
c222164ffb0e96a6bdfbf9c7d6458961b926e49aec40c28c611baeb402323ea1
sha512
03ec48307e8e1768903af833bcc9b26006449f6c5d71f284d18b56a5cdf0593570044f1a1bc2b2d56defd506a0f322028c170d1d61e208269ea31de003ebae14
ripemd-160
a7a5f3d51da1df1f1ff370201cc698d7239a9d82
Diameter
3997878
Circumference
12559704.154748
Area
12553041231694
Volume
3.3457018248855E+19
Surface area
50212164926777
Circumference
12559704.154748
Perimeter
7995756
Area
3995757125721
Diagonal
2826926.6441565
Surface area
23974542754326
Volume
7987274753131610019
Space diagonal
3462263.9092309
Perimeter
5996817
Area
1730213589113.5
Altitude
1731131.9546155
Surface area
1730213589113.5
Volume
9.4130935685658E+17
Height
942308.8813855