1998739 is an odd 7-digits prime number following 1998738
and preceding 1998740 . In scientific notation, it is written as 1.998739 × 10^6.
The sum of its digits is 46. It has a total of 1 prime factors and 2 positive divisors.
There are 1998738 positive integers (up to 1998739) that are relatively prime to 1998739.
1998739 has 2 divisors, whose sum is 1998740
The reverse of 1998739 is 9378991
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 7
Sum of Digits 46
Digital Root 1
Name
one million nine hundred ninety-eight thousand seven hundred thirty-nine
Scientific notation
1.998739 × 10^6
Engineering notation
1.998739 × 10^6
Prime Factorization
1998739
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
1998739
Product of the distinct prime numbers
The prime factorization of 1998739 is 1998739.
Since it has a total of 1 prime factors.
9 , 6 , 2 , 42 , 390 , 643 , 7312 , 5642 , 45712 , 18941 , 462020 , 782328 , 1055255 , 851270 , 68697811 , 70274155 , 649499124 , 466145161 , 1317508946 , 3579197980
n×2
3997478
n×3
5996217
n×4
7994956
n×5
9993695
n÷2
999369.5
n÷3
666246.33333333
n÷3
499684.75
n÷5
399747.8
n2
3994957590121
n3
7984877538720857419
n4
1.5959686146865E+25
n5
3.18992471295E+31
2 √n
1413.7676612513
3 √n
125.96562008173
4 √n
37.600101878204
5 √n
18.203345719598
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
1998740
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
999370
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1413.7680149162
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999989993696
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1998739 can be divided by 2 positive divisors.
The sum of these divisors (counting 1998739) is 1998740, the average is 999370.
Base
System
Value
2
Binary
111100111111110010011
3
Ternary
10202112202101
4
Quaternary
13213332103
5
Quinary
1002424424
6
Senary
110501231
8
Octal
7477623
10
Decimal
1998739
12
Duodecimal
804817
16
Hexadecimal
1e7f93
20
Vigesimal
c9ggj
36
Base36
16u8j
md5
1e5d1b8c42e1edb3e52e6d0fcb8034c9
sha1
0c15177200f4da60190ce3f3b1b617ce6fdf0869
sha256
6e035a2536ede1c2deeab8c43573c048f6453629a94c670eb0a68490effc0e7d
sha512
c47930e2bb1a0bd9f624708f4c24f104e0e1effa9ce6de32c9a7a37fad212d2f8ea55437a9f4be84c4ca4aba1bebbcea7c655c92b2c5de756b438a59de3d4a60
ripemd-160
422d785b193c247b21e6db2d16eb78c2776c1327
Diameter
3997478
Circumference
12558447.517687
Area
12550529416527
Volume
3.3446976820613E+19
Surface area
50202117666108
Circumference
12558447.517687
Perimeter
7994956
Area
3994957590121
Diagonal
2826643.801444
Surface area
23969745540726
Volume
7984877538720857419
Space diagonal
3461917.4990694
Perimeter
5996217
Area
1729867380043.1
Altitude
1730958.7495347
Surface area
1729867380043.1
Volume
9.4102684242894E+17
Height
942214.60048135