1998834385 is an odd 10-digits composite number following 1998834384
and preceding 1998834386 . In scientific notation, it is written as 1.998834385 × 10^9.
The sum of its digits is 58. It has a total of 2 prime factors and 4 positive divisors.
There are 1599067504 positive integers (up to 1998834385) that are relatively prime to 1998834385.
1998834385 has 4 divisors, whose sum is 2398601268
The reverse of 1998834385 is 5834388991
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 58
Digital Root 4
Name
one billion nine hundred ninety-eight million eight hundred thirty-four thousand three hundred eighty-five
Scientific notation
1.998834385 × 10^9
Engineering notation
1.998834385 × 10^9
Prime Factorization
5 × 399766877
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1998834385
Product of the distinct prime numbers
The prime factorization of 1998834385 is 5 × 399766877.
Since it has a total of 2 prime factors.
9 , 9 , 10 , 44 , 339 , 806 , 4322 , 3065 , 45412 , 53884 , 18934 , 257816 , 1085484 , 7424275 , 24777311 , 59058375 , 790612689 , 352362527 , 5731927248 , 9797970914
n×2
3997668770
n×3
5996503155
n×4
7995337540
n×5
9994171925
n÷2
999417192.5
n÷3
666278128.33333
n÷3
499708596.25
n÷5
399766877
n2
3995338898658328225
n3
7.9860207703663E+27
n4
1.5962732915132E+37
n5
3.1906859429338E+46
2 √n
44708.325678782
3 √n
1259.676238517
4 √n
211.4434337566
5 √n
72.469516257148
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1998834384
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1998834385 can be divided by 4 positive divisors.
The sum of these divisors (counting 1998834385) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110111001000111100101011010001
3
Ternary
12011022011022022011
4
Quaternary
1313020330223101
5
Quinary
13043200200020
6
Senary
530201542521
8
Octal
16710745321
10
Decimal
1998834385
12
Duodecimal
4794a4a41
16
Hexadecimal
7723cad1
20
Vigesimal
1b4ce5j5
36
Base36
x21yhd
md5
eabffad427bb0556bade64b9038c84d3
sha1
69df4f43565ad8947f07dc6790283c76895ed0af
sha256
4aa48dfff0c987691c06c06ba57239e59edeaec0951c5e0c99bb02148bbf9d34
sha512
e55972f559feb6446b792dd12011233a1ba0667319c410d3107a2ef68459f64158d6d7f4ae5fe9921857f2419e1dd33955978ede8df75c944df5c2f5df394c9b
ripemd-160
2f83c5262a263ee1876d9ca669754a9c7be13126
Diameter
3997668770
Circumference
12559046839.317
Area
1.2551727332627E+19
Volume
3.3451765578131E+28
Surface area
5.0206909330506E+19
Circumference
12559046839.317
Perimeter
7995337540
Area
3995338898658328225
Diagonal
2826778696.2047
Surface area
2.397203339195E+19
Volume
7.9860207703663E+27
Space diagonal
3462082710.7357
Perimeter
5996503155
Area
1.7300324914831E+18
Altitude
1731041355.3678
Surface area
1.7300324914831E+18
Volume
9.4116157357044E+26
Height
942259565.40156