1998191192 is an even 10-digits composite number following 1998191191
and preceding 1998191193 . In scientific notation, it is written as 1.998191192 × 10^9.
The sum of its digits is 50. It has a total of 4 prime factors and 8 positive divisors.
There are 999095592 positive integers (up to 1998191192) that are relatively prime to 1998191192.
1998191192 has 8 divisors, whose sum is 3746608500
The reverse of 1998191192 is 2911918991
Previous prime number is 2
Is Prime? no
Number parity even
Number length 10
Sum of Digits 50
Digital Root 5
Name
one billion nine hundred ninety-eight million one hundred ninety-one thousand one hundred ninety-two
Scientific notation
1.998191192 × 10^9
Engineering notation
1.998191192 × 10^9
Prime Factorization
2 × 2 × 2 × 249773899
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
499547798
Product of the distinct prime numbers
The prime factorization of 1998191192 is 2 × 2 × 2 × 249773899.
Since it has a total of 4 prime factors.
4 , 7 , 90 , 63 , 549 , 285 , 8956 , 1343 , 88805 , 37248 , 379576 , 394685 , 6874751 , 4515851 , 31135387 , 59246259 , 300952270 , 699134145 , 3613162884 , 760161905
n×2
3996382384
n×3
5994573576
n×4
7992764768
n×5
9990955960
n÷2
999095596
n÷3
666063730.66667
n÷3
499547798
n÷5
399638238.4
n2
3992768039786380864
n3
7.9783139288003E+27
n4
1.594219661954E+37
n5
3.1855556866296E+46
2 √n
44701.131887235
3 √n
1259.5411094529
4 √n
211.42642192317
5 √n
72.464851750007
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
-1998191191
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 1998191192 can be divided by 8 positive divisors.
The sum of these divisors (counting 1998191192) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110111000110011111101001011000
3
Ternary
12011020221122000012
4
Quaternary
1313012133221120
5
Quinary
13043014104232
6
Senary
530140101052
8
Octal
16706375130
10
Decimal
1998191192
12
Duodecimal
479234788
16
Hexadecimal
7719fa58
20
Vigesimal
1b48dhjc
36
Base36
x1o66w
md5
bca69fc484eee9e2c6f27e351b921577
sha1
b14710e45595b60911baf3da20c01b5f7ad81116
sha256
d408388504915f09c1b14d508bbbf32fd381c9654c256fafdb540500d96c1779
sha512
d35d79aa3a1c1dd07f37538bf18ed5127e34dd05d86e0c4d8fc15eb46d36d47da0f3f9a6075cdcac643abfac19013387e13bea54e3f8316cd7e0290304ca79d8
ripemd-160
aa3500f64076b5833ad9ffb71f73e7b450d51b9e
Diameter
3996382384
Circumference
12555005538.51
Area
1.2543650741281E+19
Volume
3.3419483235669E+28
Surface area
5.0174602965124E+19
Circumference
12555005538.51
Perimeter
7992764768
Area
3992768039786380864
Diagonal
2825869083.9409
Surface area
2.3956608238718E+19
Volume
7.9783139288003E+27
Space diagonal
3460968667.7806
Perimeter
5994573576
Area
1.7289192769368E+18
Altitude
1730484333.8903
Surface area
1.7289192769368E+18
Volume
9.4025331358162E+26
Height
941956361.31362