1998491 is an odd 7-digits composite number following 1998490
and preceding 1998492 . In scientific notation, it is written as 1.998491 × 10^6.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 1797120 positive integers (up to 1998491) that are relatively prime to 1998491.
1998491 has 8 divisors, whose sum is 2203824
The reverse of 1998491 is 1948991
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 41
Digital Root 5
Name
one million nine hundred ninety-eight thousand four hundred ninety-one
Scientific notation
1.998491 × 10^6
Engineering notation
1.998491 × 10^6
Prime Factorization
11 × 97 × 1873
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1998491
Product of the distinct prime numbers
The prime factorization of 1998491 is 11 × 97 × 1873.
Since it has a total of 3 prime factors.
9 , 5 , 29 , 11 , 864 , 740 , 3937 , 2560 , 18620 , 21352 , 468033 , 670715 , 2353352 , 2389496 , 34847309 , 79398737 , 390288862 , 431517039 , 1111032056 , 9054288482
n×2
3996982
n×3
5995473
n×4
7993964
n×5
9992455
n÷2
999245.5
n÷3
666163.66666667
n÷3
499622.75
n÷5
399698.2
n2
3993966277081
n3
7981905659049884771
n4
1.595176662246E+25
n5
3.1879462029087E+31
2 √n
1413.679949635
3 √n
125.96041000246
4 √n
37.598935485396
5 √n
18.202893969388
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
-1998490
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 1998491 can be divided by 8 positive divisors.
The sum of these divisors (counting 1998491) is 1, the average is 0.125.
Base
System
Value
2
Binary
111100111111010011011
3
Ternary
10202112102012
4
Quaternary
13213322123
5
Quinary
1002422431
6
Senary
110500135
8
Octal
7477233
10
Decimal
1998491
12
Duodecimal
80464b
16
Hexadecimal
1e7e9b
20
Vigesimal
c9g4b
36
Base36
16u1n
md5
43dad6a0ceb64b989340ae9866566448
sha1
890f767a62022c224b17ce048a472a97a3b1a8ce
sha256
70b1834a2ce34b51422d153e34a1d0aa1a81ae6a93c92a97e2e0ef4f87e1595d
sha512
a95b076dd0d7195fa7a843c1321650b1f9fd5e34ccf36981b690ccc49ced349d42ea566bbe582adb16cd02d7b532955db2980108174f78300da4b0c3886e3e30
ripemd-160
8519e86138b578696454ff2a560dec28cddd8324
Diameter
3996982
Circumference
12556889.287731
Area
12547415114763
Volume
3.3434528240157E+19
Surface area
50189660459052
Circumference
12556889.287731
Perimeter
7993964
Area
3993966277081
Diagonal
2826293.0764806
Surface area
23963797662486
Volume
7981905659049884771
Space diagonal
3461487.9504691
Perimeter
5995473
Area
1729438128905.3
Altitude
1730743.9752346
Surface area
1729438128905.3
Volume
9.4067660305091E+17
Height
942097.69216019