1998609557 is an odd 10-digits composite number following 1998609556
and preceding 1998609558 . In scientific notation, it is written as 1.998609557 × 10^9.
The sum of its digits is 59. It has a total of 3 prime factors and 8 positive divisors.
There are 1708776432 positive integers (up to 1998609557) that are relatively prime to 1998609557.
1998609557 has 8 divisors, whose sum is 2289881856
The reverse of 1998609557 is 7559068991
Previous prime number is 397
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 59
Digital Root 5
Name
one billion nine hundred ninety-eight million six hundred nine thousand five hundred fifty-seven
Scientific notation
1.998609557 × 10^9
Engineering notation
1.998609557 × 10^9
Prime Factorization
7 × 397 × 719183
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1998609557
Product of the distinct prime numbers
The prime factorization of 1998609557 is 7 × 397 × 719183.
Since it has a total of 3 prime factors.
10 , 5 , 60 , 37 , 730 , 849 , 5309 , 1507 , 31380 , 86385 , 377715 , 979723 , 6149677 , 3468583 , 16929707 , 96951683 , 337893578 , 705749422 , 6915138337 , 3996292086
n×2
3997219114
n×3
5995828671
n×4
7994438228
n×5
9993047785
n÷2
999304778.5
n÷3
666203185.66667
n÷3
499652389.25
n÷5
399721911.4
n2
3994440161331736249
n3
7.9833262813022E+27
n4
1.595555220246E+37
n5
3.1888919119049E+46
2 √n
44705.811221809
3 √n
1259.6290074723
4 √n
211.43748774001
5 √n
72.467885916022
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
-1998609556
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 1998609557 can be divided by 8 positive divisors.
The sum of these divisors (counting 1998609557) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110111001000000101110010010101
3
Ternary
12011021201212220012
4
Quaternary
1313020011302111
5
Quinary
13043121001212
6
Senary
530153050005
8
Octal
16710056225
10
Decimal
1998609557
12
Duodecimal
4793b6905
16
Hexadecimal
77205c95
20
Vigesimal
1b4b63hh
36
Base36
x1x505
md5
f2222d7a1f3f21021fe3d4678b8ebe9f
sha1
b77bd5ca8c371526c484f7353a70d6a2c9bb4319
sha256
faa1eb0d6f2f9ca7cc09c5397bf5889d8e46212724e81420144562b2bc48fb27
sha512
2b044b252f47e305008e3612084445e404c8dae7b43882abce9ae95d37d40a0e026b07443568dd1d6d512cb269e9c4c85d1642b14bb8896669dc0b45dc1f751c
ripemd-160
88c712a27b3a0653f68d95a51a58e84e94c34931
Diameter
3997219114
Circumference
12557634203.331
Area
1.2548903866044E+19
Volume
3.3440478928733E+28
Surface area
5.0195615464175E+19
Circumference
12557634203.331
Perimeter
7994438228
Area
3994440161331736249
Diagonal
2826460741.3979
Surface area
2.396664096799E+19
Volume
7.9833262813022E+27
Space diagonal
3461693297.2167
Perimeter
5995828671
Area
1.729643326805E+18
Altitude
1730846648.6084
Surface area
1.729643326805E+18
Volume
9.4084402498893E+26
Height
942153580.46596