198106985 is an odd 9-digits composite number following 198106984
and preceding 198106986 . In scientific notation, it is written as 1.98106985 × 10^8.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 158485584 positive integers (up to 198106985) that are relatively prime to 198106985.
198106985 has 4 divisors, whose sum is 237728388
The reverse of 198106985 is 589601891
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
one hundred ninety-eight million one hundred six thousand nine hundred eighty-five
Scientific notation
1.98106985 × 10^8
Engineering notation
1.98106985 × 10^6
Prime Factorization
5 × 39621397
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
198106985
Product of the distinct prime numbers
The prime factorization of 198106985 is 5 × 39621397.
Since it has a total of 2 prime factors.
2 , 7 , 28 , 4 , 714 , 275 , 7230 , 9454 , 94352 , 42730 , 420693 , 680406 , 5021683 , 1648180 , 82247508 , 79552297 , 777481140 , 282141823 , 9700957285 , 8842540579
n×2
396213970
n×3
594320955
n×4
792427940
n×5
990534925
n÷2
99053492.5
n÷3
66035661.666667
n÷3
49526746.25
n÷5
39621397
n2
39246377505790225
n3
7.7749815198439E+24
n4
1.540278147327E+33
n5
3.0513985982834E+41
2 √n
14075.048312528
3 √n
582.95262578351
4 √n
118.6383087899
5 √n
45.64360703565
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
-198106984
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 198106985 can be divided by 4 positive divisors.
The sum of these divisors (counting 198106985) is 1, the average is 0.25.
Base
System
Value
2
Binary
1011110011101101111101101001
3
Ternary
111210202212200202
4
Quaternary
23303231331221
5
Quinary
401203410420
6
Senary
31354041545
8
Octal
1363557551
10
Decimal
198106985
12
Duodecimal
564192b5
16
Hexadecimal
bcedf69
20
Vigesimal
31i3795
36
Base36
39y4bt
md5
88448a9fef0a38f3701001f8cc037c00
sha1
5e1661ee1d4c97a267c8937f17a4799484efa4fd
sha256
e07a0e013b58daa557b04498f0a80fa3cb473da7683fe23a1046aad392bb5288
sha512
6e32895f71dae7e5bbda40d5dc1fa72263c7e8e1430eceafb9e55e33b649521324a42e04aadd1eb121441dcf5b326f8700a8cd5fba7dbde8a6e77a05a6da0b58
ripemd-160
62a01e8244aa30f25bb65ead0aef92d100c5e12f
Diameter
396213970
Circumference
1244742897.4016
Area
1.232961312522E+17
Volume
3.2567766432717E+25
Surface area
4.9318452500881E+17
Circumference
1244742897.4016
Perimeter
792427940
Area
39246377505790225
Diagonal
280165584.98784
Surface area
235478265034741350
Volume
7.7749815198439E+24
Space diagonal
343131363.35429
Perimeter
594320955
Area
1.6994179963264E+16
Altitude
171565681.67714
Surface area
1.6994179963264E+16
Volume
9.1629035938029E+23
Height
93388528.329281