198181997 is an odd 9-digits composite number following 198181996
and preceding 198181998 . In scientific notation, it is written as 1.98181997 × 10^8.
The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors.
There are 182937216 positive integers (up to 198181997) that are relatively prime to 198181997.
198181997 has 4 divisors, whose sum is 213426780
The reverse of 198181997 is 799181891
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 53
Digital Root 8
Name
one hundred ninety-eight million one hundred eighty-one thousand nine hundred ninety-seven
Scientific notation
1.98181997 × 10^8
Engineering notation
1.98181997 × 10^6
Prime Factorization
13 × 15244769
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
198181997
Product of the distinct prime numbers
The prime factorization of 198181997 is 13 × 15244769.
Since it has a total of 2 prime factors.
9 , 3 , 37 , 65 , 866 , 830 , 3100 , 6009 , 36108 , 76032 , 736060 , 239994 , 143502 , 2578984 , 878659 , 53084393 , 653989511 , 584337999 , 9239067245 , 8202455613
n×2
396363994
n×3
594545991
n×4
792727988
n×5
990909985
n÷2
99090998.5
n÷3
66060665.666667
n÷3
49545499.25
n÷5
39636399.4
n2
39276103934908009
n3
7.7838167121996E+24
n4
1.5426123403057E+33
n5
3.0571799419863E+41
2 √n
14077.712775874
3 √n
583.02619364948
4 √n
118.6495376134
5 √n
45.647063046861
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
-198181996
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 198181997 can be divided by 4 positive divisors.
The sum of these divisors (counting 198181997) is 1, the average is 0.25.
Base
System
Value
2
Binary
1011110100000000010001101101
3
Ternary
111210220200120222
4
Quaternary
23310000101231
5
Quinary
401213310442
6
Senary
31355421125
8
Octal
1364002155
10
Decimal
198181997
12
Duodecimal
564547a5
16
Hexadecimal
bd0046d
20
Vigesimal
31icejh
36
Base36
39zq7h
md5
95a7dc1f4af355e91448b6ce22dff70e
sha1
ca445eb316e764a03da95d5f35971798837cf8a0
sha256
761f82b00a1a53b5a0e70f2d013abfd2731fad00cc607798c48478829295dfb2
sha512
8664548fb4e96797dbdcd1add4a5389f6b4e49509fc627b9f8fe4e2e34de5204bbb544a545be90055ac9f6e51912bb965996a9fd84a0f8097c34050e09129991
ripemd-160
b8dea4efa7ed104de651353cd46ed0b1973d82d7
Diameter
396363994
Circumference
1245214211.6979
Area
1.2338951958354E+17
Volume
3.2604775199914E+25
Surface area
4.9355807833414E+17
Circumference
1245214211.6979
Perimeter
792727988
Area
39276103934908009
Diagonal
280271667.97558
Surface area
235656623609448054
Volume
7.7838167121996E+24
Space diagonal
343261287.94946
Perimeter
594545991
Area
1.7007051884654E+16
Altitude
171630643.97473
Surface area
1.7007051884654E+16
Volume
9.1733159678492E+23
Height
93423889.325195