1998487 is an odd 7-digits composite number following 1998486
and preceding 1998488 . In scientific notation, it is written as 1.998487 × 10^6.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 1932000 positive integers (up to 1998487) that are relatively prime to 1998487.
1998487 has 8 divisors, whose sum is 2066112
The reverse of 1998487 is 7848991
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 46
Digital Root 1
Name
one million nine hundred ninety-eight thousand four hundred eighty-seven
Scientific notation
1.998487 × 10^6
Engineering notation
1.998487 × 10^6
Prime Factorization
47 × 101 × 421
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1998487
Product of the distinct prime numbers
The prime factorization of 1998487 is 47 × 101 × 421.
Since it has a total of 3 prime factors.
10 , 5 , 55 , 25 , 588 , 62 , 4630 , 3559 , 59589 , 22469 , 53185 , 742221 , 2239410 , 8322945 , 35791329 , 65921817 , 799131149 , 6276877 , 5080619685 , 9015577523
n×2
3996974
n×3
5995461
n×4
7993948
n×5
9992435
n÷2
999243.5
n÷3
666162.33333333
n÷3
499621.75
n÷5
399697.4
n2
3993950289169
n3
7981857731550487303
n4
1.5951638912353E+25
n5
3.1879142995032E+31
2 √n
1413.6785348869
3 √n
125.96032596539
4 √n
37.59891667172
5 √n
18.202886682727
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
-1998486
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 1998487 can be divided by 8 positive divisors.
The sum of these divisors (counting 1998487) is 1, the average is 0.125.
Base
System
Value
2
Binary
111100111111010010111
3
Ternary
10202112102001
4
Quaternary
13213322113
5
Quinary
1002422422
6
Senary
110500131
8
Octal
7477227
10
Decimal
1998487
12
Duodecimal
804647
16
Hexadecimal
1e7e97
20
Vigesimal
c9g47
36
Base36
16u1j
md5
afedf0677e78404cca248ed1c9db7ff5
sha1
603e3cc8d5e4b1838736b532c14c8f0194a17608
sha256
a7afb4c142f6b416cf0a5ec91db07514021d0fe87cc9c48954453ffed7c59d19
sha512
48bcafbb43d9bc9a6761c535b18c44fa6b420bc3929d30d392f7b0c718ce844746fd66f8e011a07a13b792589b9380e7fb7b8dab53125766b38f860f5717ff9b
ripemd-160
c028aafcb02960a79982edc8e183bf2e4e6bf720
Diameter
3996974
Circumference
12556864.154989
Area
12547364887256
Volume
3.3434327481917E+19
Surface area
50189459549025
Circumference
12556864.154989
Perimeter
7993948
Area
3993950289169
Diagonal
2826287.4196263
Surface area
23963701735014
Volume
7981857731550487303
Space diagonal
3461481.0222659
Perimeter
5995461
Area
1729431205936.3
Altitude
1730740.511133
Surface area
1729431205936.3
Volume
9.4067095474094E+17
Height
942095.80654211