199818981 is an odd 9-digits composite number following 199818980
and preceding 199818982 . In scientific notation, it is written as 1.99818981 × 10^8.
The sum of its digits is 54. It has a total of 6 prime factors and 32 positive divisors.
There are 127370880 positive integers (up to 199818981) that are relatively prime to 199818981.
199818981 has 32 divisors, whose sum is 303869440
The reverse of 199818981 is 189818991
Previous prime number is 61
Is Prime? no Number parity odd Number length 9 Sum of Digits 54 Digital Root 9
Name
one hundred ninety-nine million eight hundred eighteen thousand nine hundred eighty-one
Scientific notation
1.99818981 × 10^8
Engineering notation
1.99818981 × 10^6
Prime Factorization
3 × 111 × 3 × 3 × 61 × 1093
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
6 Total number of prime factors
rad Radical
22202109 Product of the distinct prime numbers
The prime factorization of 199818981 is 3 × 111 × 3 × 3 × 61 × 1093.
Since it has a total of 6 prime factors.
4 , 9 , 20 , 69 , 757 , 627 , 6151 , 7197 , 86802 , 2724 , 58938 , 570393 , 1365364 , 9513108 , 48276054 , 24850808 , 77781426 , 326553162 , 54389627 , 8472217271
n×2
399637962
n×3
599456943
n×4
799275924
n×5
999094905
n÷2
99909490.5
n÷3
66606327
n÷3
49954745.25
n÷5
39963796.2
n2
39927625167878361
n3
7.9782973747954E+24
n4
1.5942152515466E+33
n5
3.185544670587E+41
2 √n14135.734186805
3 √n584.62706013022
4 √n118.89379372703
5 √n45.722224103801
1 , 3 , 9 , 27 , 61 , 111 , 183 , 333 , 549 , 999 , 1093 , 1647 , 2997 , 3279 , 6771 , 9837 , 20313 , 29511 , 60939 , 66673 , 121323 , 182817 , 200019 , 363969 , 600057 , 1091907 , 1800171 , 3275721 , 7400703 , 22202109 , 66606327 , 199818981
32 divisors
τ Total Divisors
32 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-199818980 Sum of the proper positive divisors of n
A Arithmetic Mean
0.03125 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
32 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 199818981 can be divided by 32 positive divisors.
The sum of these divisors (counting 199818981) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1011111010001111111011100101
3
Ternary
111220222212010000
4
Quaternary
23322033323211
5
Quinary
402123201411
6
Senary
31454451513
8
Octal
1372177345
10
Decimal
199818981
12
Duodecimal
56b03b99
16
Hexadecimal
be8fee5
20
Vigesimal
328h791
36
Base36
3aytb9
md5
76970926cddaf71209eeb95d439d6532
sha1
6e19de4dcb4d50172e9457a595328e838bbd902a
sha256
3e508619508f68bf7b3638245e732f44e7d8c3af0c2eb084f2b90b8dc8894926
sha512
ad5b2db9b970e29c924abd7cfc4c9c741b6595eb5a207e95ddc03749725b70a2b0435b7565442d09408de8f2a9d704b825db09904fc57ba51951811515547ca4
ripemd-160
d9ba2e4703202d5ffcd69e9ab322594cfa2bd091
Diameter
399637962
Circumference
1255499685.5148
Area
1.2543633390269E+17
Volume
3.3419413894416E+25
Surface area
5.0174533561077E+17
Circumference
1255499685.5148
Perimeter
799275924
Area
39927625167878361
Diagonal
282586712.94977
Surface area
239565751007270166
Volume
7.9782973747954E+24
Space diagonal
346096627.40864
Perimeter
599456943
Area
1.7289168854083E+16
Altitude
173048313.70432
Surface area
1.7289168854083E+16
Volume
9.4025136267344E+23
Height
94195570.983257