1998938 is an even 7-digits composite number following 1998937
and preceding 1998939 . In scientific notation, it is written as 1.998938 × 10^6.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 992700 positive integers (up to 1998938) that are relatively prime to 1998938.
1998938 has 8 divisors, whose sum is 3018720
The reverse of 1998938 is 8398991
Previous prime number is 151
Is Prime? no
Number parity even
Number length 7
Sum of Digits 47
Digital Root 2
Name
one million nine hundred ninety-eight thousand nine hundred thirty-eight
Scientific notation
1.998938 × 10^6
Engineering notation
1.998938 × 10^6
Prime Factorization
2 × 151 × 6619
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1998938
Product of the distinct prime numbers
The prime factorization of 1998938 is 2 × 151 × 6619.
Since it has a total of 3 prime factors.
7 , 3 , 7 , 50 , 347 , 317 , 1767 , 4582 , 34356 , 61259 , 878347 , 708685 , 2930680 , 2702387 , 38258270 , 93980061 , 458565195 , 64220080 , 5788560348 , 7684875105
n×2
3997876
n×3
5996814
n×4
7995752
n×5
9994690
n÷2
999469
n÷3
666312.66666667
n÷3
499734.5
n÷5
399787.6
n2
3995753127844
n3
7987262765866229672
n4
1.5966043058675E+25
n5
3.1915130179622E+31
2 √n
1413.8380388149
3 √n
125.96980043853
4 √n
37.601037735878
5 √n
18.203708180284
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
-1998937
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 1998938 can be divided by 8 positive divisors.
The sum of these divisors (counting 1998938) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101000000001011010
3
Ternary
10202120000202
4
Quaternary
13220001122
5
Quinary
1002431223
6
Senary
110502202
8
Octal
7500132
10
Decimal
1998938
12
Duodecimal
804962
16
Hexadecimal
1e805a
20
Vigesimal
c9h6i
36
Base36
16ue2
md5
90adc0973b1bf3cd8f15258827565c02
sha1
9a502ed9e67243bf72f9db585431b879e60e672d
sha256
d4a2580bd78dd6c11d5862b81db61cd0d4aef6e81f69f9509f758b1658ff13f3
sha512
4d0e14a3dc6ff722a7259b188ec7cf6d065da0001e9fcb787030d4fd4287a21d851d321f00403023b2f01240a27712e95563b8b048a649a432ce2aad1d39e428
ripemd-160
d3714e5fcffd16def920050e64b7a6e4f987515f
Diameter
3997876
Circumference
12559697.871563
Area
12553028671993
Volume
3.3456968036716E+19
Surface area
50212114687973
Circumference
12559697.871563
Perimeter
7995752
Area
3995753127844
Diagonal
2826925.2299429
Surface area
23974518767064
Volume
7987262765866229672
Space diagonal
3462262.1771801
Perimeter
5996814
Area
1730211857982
Altitude
1731131.0885901
Surface area
1730211857982
Volume
9.4130794414381E+17
Height
942308.40998098