1998768 is an even 7-digits composite number following 1998767
and preceding 1998769 . In scientific notation, it is written as 1.998768 × 10^6.
The sum of its digits is 48. It has a total of 6 prime factors and 20 positive divisors.
There are 666240 positive integers (up to 1998768) that are relatively prime to 1998768.
1998768 has 20 divisors, whose sum is 5163608
The reverse of 1998768 is 8678991
Previous prime number is 3
Is Prime? no
Number parity even
Number length 7
Sum of Digits 48
Digital Root 3
Name
one million nine hundred ninety-eight thousand seven hundred sixty-eight
Scientific notation
1.998768 × 10^6
Engineering notation
1.998768 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 3 × 41641
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
249846
Product of the distinct prime numbers
The prime factorization of 1998768 is 2 × 2 × 2 × 2 × 3 × 41641.
Since it has a total of 6 prime factors.
1 , 8 , 9 , 64 , 692 , 60 , 9949 , 3374 , 14813 , 30936 , 511711 , 442135 , 1790127 , 1555418 , 25467309 , 67073905 , 59862847 , 668391996 , 7427573978 , 8221377736
n×2
3997536
n×3
5996304
n×4
7995072
n×5
9993840
n÷2
999384
n÷3
666256
n÷3
499692
n÷5
399753.6
n2
3995073517824
n3
7985225105074040832
n4
1.5960612412819E+25
n5
3.1901561351145E+31
2 √n
1413.7779174962
3 √n
125.96622929673
4 √n
37.600238263823
5 √n
18.203398542299
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 48 , 41641 , 83282 , 124923 , 166564 , 249846 , 333128 , 499692 , 666256 , 999384 , 1998768
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1998767
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1998768 can be divided by 20 positive divisors.
The sum of these divisors (counting 1998768) is 1, the average is 0.05.
Base
System
Value
2
Binary
111100111111110110000
3
Ternary
10202112210110
4
Quaternary
13213332300
5
Quinary
1002430033
6
Senary
110501320
8
Octal
7477660
10
Decimal
1998768
12
Duodecimal
804840
16
Hexadecimal
1e7fb0
20
Vigesimal
c9gi8
36
Base36
16u9c
md5
64228fd3208ae66fe733c5e36f5a9470
sha1
391634eb1f3885454bc1028208234b96b47a78ba
sha256
85cda0395884b7db232ac38002b2e9fbeb0be8585401934dbf3dfdcd13ef5c37
sha512
a9338b37154f6302f7deb2bd00005212315396f0d91979ca2dc3ab47e1836de115d3383f25c65c955fb8b58d22f7cd1e631f6c7197bccc5576486e40c1b1da72
ripemd-160
e8bda7cd1f36b907292a7b2529cd22df5c6448ea
Diameter
3997536
Circumference
12558629.730061
Area
12550893614147
Volume
3.3448432703149E+19
Surface area
50203574456588
Circumference
12558629.730061
Perimeter
7995072
Area
3995073517824
Diagonal
2826684.8136373
Surface area
23970441106944
Volume
7985225105074040832
Space diagonal
3461967.7285428
Perimeter
5996304
Area
1729917578211
Altitude
1730983.8642714
Surface area
1729917578211
Volume
9.4106780351649E+17
Height
942228.27121245