199818985 is an odd 9-digits composite number following 199818984
and preceding 199818986 . In scientific notation, it is written as 1.99818985 × 10^8.
The sum of its digits is 58. It has a total of 2 prime factors and 4 positive divisors.
There are 159855184 positive integers (up to 199818985) that are relatively prime to 199818985.
199818985 has 4 divisors, whose sum is 239782788
The reverse of 199818985 is 589818991
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 58
Digital Root 4
Name
one hundred ninety-nine million eight hundred eighteen thousand nine hundred eighty-five
Scientific notation
1.99818985 × 10^8
Engineering notation
1.99818985 × 10^6
Prime Factorization
5 × 39963797
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
199818985
Product of the distinct prime numbers
The prime factorization of 199818985 is 5 × 39963797.
Since it has a total of 2 prime factors.
7 , 9 , 2 , 27 , 817 , 789 , 6141 , 5485 , 70857 , 40489 , 412531 , 665866 , 5580454 , 9480901 , 77825075 , 23690070 , 795956986 , 154993261 , 4520208646 , 3474993227
n×2
399637970
n×3
599456955
n×4
799275940
n×5
999094925
n÷2
99909492.5
n÷3
66606328.333333
n÷3
49954746.25
n÷5
39963797
n2
39927626766430225
n3
7.9782978539269E+24
n4
1.5942153791994E+33
n5
3.1855449894301E+41
2 √n
14135.73432829
3 √n
584.62706403126
4 √n
118.89379432203
5 √n
45.722224286856
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
-199818984
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 199818985 can be divided by 4 positive divisors.
The sum of these divisors (counting 199818985) is 1, the average is 0.25.
Base
System
Value
2
Binary
1011111010001111111011101001
3
Ternary
111220222212010011
4
Quaternary
23322033323221
5
Quinary
402123201420
6
Senary
31454451521
8
Octal
1372177351
10
Decimal
199818985
12
Duodecimal
56b03ba1
16
Hexadecimal
be8fee9
20
Vigesimal
328h795
36
Base36
3aytbd
md5
6775035357dc5b9a66feb758d02410c3
sha1
ebb86775c0d3de6c26be5eafa6321d83095fe053
sha256
754cdadf010de3bc56f74753394c638fe158f399ad52c61c16a761b5d2298675
sha512
b1cc7e5b6439939ccc64af4f0368d47e4b336dcee083bc3afabcd296be86302488900a3c52fbbc09d6e79b1445e7f3002707289aba6d5b7a51c6b5c904ad441b
ripemd-160
e1b7775d4f694f86e7e7165b2dda37a9330f1808
Diameter
399637970
Circumference
1255499710.6475
Area
1.2543633892469E+17
Volume
3.3419415901397E+25
Surface area
5.0174535569877E+17
Circumference
1255499710.6475
Perimeter
799275940
Area
39927626766430225
Diagonal
282586718.60663
Surface area
239565760598581350
Volume
7.9782978539269E+24
Space diagonal
346096634.33684
Perimeter
599456955
Area
1.7289169546276E+16
Altitude
173048317.16842
Surface area
1.7289169546276E+16
Volume
9.4025141913963E+23
Height
94195572.868875