1998931 is an odd 7-digits composite number following 1998930
and preceding 1998932 . In scientific notation, it is written as 1.998931 × 10^6.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 1817200 positive integers (up to 1998931) that are relatively prime to 1998931.
1998931 has 4 divisors, whose sum is 2180664
The reverse of 1998931 is 1398991
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 40
Digital Root 4
Name
one million nine hundred ninety-eight thousand nine hundred thirty-one
Scientific notation
1.998931 × 10^6
Engineering notation
1.998931 × 10^6
Prime Factorization
11 × 181721
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1998931
Product of the distinct prime numbers
The prime factorization of 1998931 is 11 × 181721.
Since it has a total of 2 prime factors.
10 , 1 , 94 , 45 , 248 , 813 , 7089 , 9301 , 57904 , 52271 , 965708 , 201221 , 3496586 , 7517311 , 44209749 , 96525071 , 652605434 , 444578781 , 4121916235 , 7040781443
n×2
3997862
n×3
5996793
n×4
7995724
n×5
9994655
n÷2
999465.5
n÷3
666310.33333333
n÷3
499732.75
n÷5
399786.2
n2
3995725142761
n3
7987178855344388491
n4
1.5965819416492E+25
n5
3.1914571372029E+31
2 √n
1413.8355632817
3 √n
125.96965339551
4 √n
37.601004817447
5 √n
18.2036954309
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1998930
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1998931 can be divided by 4 positive divisors.
The sum of these divisors (counting 1998931) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101000000001010011
3
Ternary
10202120000111
4
Quaternary
13220001103
5
Quinary
1002431211
6
Senary
110502151
8
Octal
7500123
10
Decimal
1998931
12
Duodecimal
804957
16
Hexadecimal
1e8053
20
Vigesimal
c9h6b
36
Base36
16udv
md5
07aa387699dad8113ccdc7fd603cd4e9
sha1
781939896359af493185280075fee29979bbf566
sha256
981d7386b0d9207baf93641736b0e8862fb8ece592334753d93a458bf003327d
sha512
223d440fe721bb23b2a5591c2c88790340a152e43e6fc49c53cf14e87d8353a92f0d36768ebc6777136a882c1528543a0c0c8a5652ce99c96322ee6222a1244e
ripemd-160
5b1fc4bf4897c50ec3d807f1b3f701019124f110
Diameter
3997862
Circumference
12559653.889266
Area
12552940754262
Volume
3.3456616553144E+19
Surface area
50211763017048
Circumference
12559653.889266
Perimeter
7995724
Area
3995725142761
Diagonal
2826915.330448
Surface area
23974350856566
Volume
7987178855344388491
Space diagonal
3462250.0528245
Perimeter
5996793
Area
1730199740085.6
Altitude
1731125.0264122
Surface area
1730199740085.6
Volume
9.4129805519397E+17
Height
942305.11014934