198731685 is an odd 9-digits composite number following 198731684
and preceding 198731686 . In scientific notation, it is written as 1.98731685 × 10^8.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 105990224 positive integers (up to 198731685) that are relatively prime to 198731685.
198731685 has 8 divisors, whose sum is 317970720
The reverse of 198731685 is 586137891
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
one hundred ninety-eight million seven hundred thirty-one thousand six hundred eighty-five
Scientific notation
1.98731685 × 10^8
Engineering notation
1.98731685 × 10^6
Prime Factorization
3 × 5 × 13248779
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
198731685
Product of the distinct prime numbers
The prime factorization of 198731685 is 3 × 5 × 13248779.
Since it has a total of 3 prime factors.
3 , 2 , 28 , 79 , 455 , 661 , 8293 , 1111 , 16877 , 55683 , 848910 , 257797 , 2437930 , 9597449 , 91737075 , 55335961 , 141685469 , 607651950 , 1923601912 , 8046548426
n×2
397463370
n×3
596195055
n×4
794926740
n×5
993658425
n÷2
99365842.5
n÷3
66243895
n÷3
49682921.25
n÷5
39746337
n2
39494282622939225
n3
7.8487653335229E+24
n4
1.5597983599006E+33
n5
3.0998135632328E+41
2 √n
14097.222598796
3 √n
583.56473341015
4 √n
118.73172532561
5 √n
45.672356818455
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
-198731684
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 198731685 can be divided by 8 positive divisors.
The sum of these divisors (counting 198731685) is 1, the average is 0.125.
Base
System
Value
2
Binary
1011110110000110011110100101
3
Ternary
111211221121121210
4
Quaternary
23312012132211
5
Quinary
401333403220
6
Senary
31415302033
8
Octal
1366063645
10
Decimal
198731685
12
Duodecimal
5667a919
16
Hexadecimal
bd867a5
20
Vigesimal
3221945
36
Base36
3abicl
md5
eb079ae4b3613cdc3088f6477d445dcf
sha1
5f15a00103b9f6dba9c1d01dc034bd85ef60d99e
sha256
9840626219d894aebf1fb958f776ac73525662e0daafc66c943382d93a516610
sha512
803dfb896056b721818de417020331793bfeb527a8baf7010c52a526b34513fcb409b082c5846e66e1033ad43f32317cb30b61c88ec3d5cf669ed6ef608497ed
ripemd-160
9994ebc015e8561da1d764d57e0c648737ca3199
Diameter
397463370
Circumference
1248668003.263
Area
1.2407494814702E+17
Volume
3.2876831348728E+25
Surface area
4.962997925881E+17
Circumference
1248668003.263
Perimeter
794926740
Area
39494282622939225
Diagonal
281049044.20026
Surface area
236965695737635350
Volume
7.8487653335229E+24
Space diagonal
344213375.49377
Perimeter
596195055
Area
1.7101526027854E+16
Altitude
172106687.74689
Surface area
1.7101526027854E+16
Volume
9.2498586521266E+23
Height
93683014.733419