1998742 is an even 7-digits composite number following 1998741
and preceding 1998743 . In scientific notation, it is written as 1.998742 × 10^6.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 999370 positive integers (up to 1998742) that are relatively prime to 1998742.
1998742 has 4 divisors, whose sum is 2998116
The reverse of 1998742 is 2478991
Previous prime number is 2
Is Prime? no
Number parity even
Number length 7
Sum of Digits 40
Digital Root 4
Name
one million nine hundred ninety-eight thousand seven hundred forty-two
Scientific notation
1.998742 × 10^6
Engineering notation
1.998742 × 10^6
Prime Factorization
2 × 999371
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1998742
Product of the distinct prime numbers
The prime factorization of 1998742 is 2 × 999371.
Since it has a total of 2 prime factors.
1 , 8 , 84 , 66 , 495 , 204 , 3763 , 6037 , 2330 , 14317 , 908200 , 570030 , 9280759 , 8961644 , 96454263 , 88111646 , 396387066 , 356011087 , 9128392944 , 6260912767
n×2
3997484
n×3
5996226
n×4
7994968
n×5
9993710
n÷2
999371
n÷3
666247.33333333
n÷3
499685.5
n÷5
399748.4
n2
3994969582564
n3
7984913493393134488
n4
1.5959781965612E+25
n5
3.189948652551E+31
2 √n
1413.7687222456
3 √n
125.96568310424
4 √n
37.60011598713
5 √n
18.203351184044
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
-1998741
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 1998742 can be divided by 4 positive divisors.
The sum of these divisors (counting 1998742) is 1, the average is 0.25.
Base
System
Value
2
Binary
111100111111110010110
3
Ternary
10202112202111
4
Quaternary
13213332112
5
Quinary
1002424432
6
Senary
110501234
8
Octal
7477626
10
Decimal
1998742
12
Duodecimal
80481a
16
Hexadecimal
1e7f96
20
Vigesimal
c9gh2
36
Base36
16u8m
md5
6a42296601dc56d620962ff195f3023c
sha1
5a1eab18b21497a7ee0933ddc874f95036367005
sha256
96fbf43582f805643ed2a3af7df1380f71a5497b52f775e7f8858b2f69027c95
sha512
849b7661ff83d99076b51828e4a3e8b7def80d9483a50679cf3af180be8ab4938b4ec4bc17203111e14a76debd8fe39d658ad38b9da06b429b2621e0030761b4
ripemd-160
786770058ca98ebb59bce247e2ea2443e0804269
Diameter
3997484
Circumference
12558466.367243
Area
12550567091898
Volume
3.3447127427192E+19
Surface area
50202268367591
Circumference
12558466.367243
Perimeter
7994968
Area
3994969582564
Diagonal
2826648.0440847
Surface area
23969817495384
Volume
7984913493393134488
Space diagonal
3461922.6952218
Perimeter
5996226
Area
1729872572923.3
Altitude
1730961.3476109
Surface area
1729872572923.3
Volume
9.4103107972771E+17
Height
942216.01469491