1998202431 is an odd 10-digits composite number following 1998202430
and preceding 1998202432 . In scientific notation, it is written as 1.998202431 × 10^9.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 1262022552 positive integers (up to 1998202431) that are relatively prime to 1998202431.
1998202431 has 8 divisors, whose sum is 2804494720
The reverse of 1998202431 is 1342028991
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 39
Digital Root 3
Name
one billion nine hundred ninety-eight million two hundred two thousand four hundred thirty-one
Scientific notation
1.998202431 × 10^9
Engineering notation
1.998202431 × 10^9
Prime Factorization
3 × 19 × 35056183
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1998202431
Product of the distinct prime numbers
The prime factorization of 1998202431 is 3 × 19 × 35056183.
Since it has a total of 3 prime factors.
2 , 9 , 18 , 97 , 657 , 940 , 7355 , 4601 , 55470 , 81460 , 589074 , 693303 , 446345 , 4066969 , 18090746 , 44454461 , 808103729 , 95511071 , 1319428215 , 4257159640
n×2
3996404862
n×3
5994607293
n×4
7992809724
n×5
9991012155
n÷2
999101215.5
n÷3
666067477
n÷3
499550607.75
n÷5
399640486.2
n2
3992812955254309761
n3
7.9784485537175E+27
n4
1.5942555295647E+37
n5
3.1856452748113E+46
2 √n
44701.257599759
3 √n
1259.5434709146
4 √n
211.42671921912
5 √n
72.464933266795
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
-1998202430
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 1998202431 can be divided by 8 positive divisors.
The sum of these divisors (counting 1998202431) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110111000110100010011000111111
3
Ternary
12011020222012102110
4
Quaternary
1313012202120333
5
Quinary
13043014434211
6
Senary
530140225103
8
Octal
16706423077
10
Decimal
1998202431
12
Duodecimal
47923b193
16
Hexadecimal
771a263f
20
Vigesimal
1b48f61b
36
Base36
x1oev3
md5
0ccc1851838ebdd03c27acddccf7ed72
sha1
a6ab696aca1e3c20c37863c296322239e8db01c9
sha256
362a82eaf3f4602e4a07589e61876cdc86ee3f64c19c6518181bbe26b2ac8327
sha512
93bfd38cba8e68f0d167440887b78d8705f035fb1846df1bcecd27e1cb98dcdffb92e1ca68681e81205c544dfe456b5dea7823b961d4fbf7ad4f8db014af537b
ripemd-160
564a2baca90bab0a075336d371c704ca6d07194c
Diameter
3996404862
Circumference
12555076155.23
Area
1.2543791847385E+19
Volume
3.3420047151204E+28
Surface area
5.017516738954E+19
Circumference
12555076155.23
Perimeter
7992809724
Area
3992812955254309761
Diagonal
2825884978.2871
Surface area
2.3956877731526E+19
Volume
7.9784485537175E+27
Space diagonal
3460988134.2996
Perimeter
5994607293
Area
1.7289387259049E+18
Altitude
1730494067.1498
Surface area
1.7289387259049E+18
Volume
9.4026917928027E+26
Height
941961659.42903