199868905 is an odd 9-digits composite number following 199868904
and preceding 199868906 . In scientific notation, it is written as 1.99868905 × 10^8.
The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors.
There are 157642800 positive integers (up to 199868905) that are relatively prime to 199868905.
199868905 has 8 divisors, whose sum is 243221184
The reverse of 199868905 is 509868991
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 55
Digital Root 1
Name
one hundred ninety-nine million eight hundred sixty-eight thousand nine hundred five
Scientific notation
1.99868905 × 10^8
Engineering notation
1.99868905 × 10^6
Prime Factorization
5 × 71 × 563011
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
199868905
Product of the distinct prime numbers
The prime factorization of 199868905 is 5 × 71 × 563011.
Since it has a total of 3 prime factors.
2 , 8 , 31 , 23 , 827 , 427 , 347 , 3646 , 63231 , 95823 , 650334 , 620639 , 2464359 , 4973983 , 35372413 , 16996435 , 141055835 , 621825162 , 5596312870 , 3444348945
n×2
399737810
n×3
599606715
n×4
799475620
n×5
999344525
n÷2
99934452.5
n÷3
66622968.333333
n÷3
49967226.25
n÷5
39973781
n2
39947579185899025
n3
7.9842789092864E+24
n4
1.5958090828137E+33
n5
3.1895261397102E+41
2 √n
14137.499955791
3 √n
584.6757450129
4 √n
118.90121932004
5 √n
45.724508579696
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
-199868904
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 199868905 can be divided by 8 positive divisors.
The sum of these divisors (counting 199868905) is 1, the average is 0.125.
Base
System
Value
2
Binary
1011111010011100000111101001
3
Ternary
111221002101121001
4
Quaternary
23322130013221
5
Quinary
402131301110
6
Senary
31455515001
8
Octal
1372340751
10
Decimal
199868905
12
Duodecimal
56b28a61
16
Hexadecimal
be9c1e9
20
Vigesimal
3293c55
36
Base36
3azvu1
md5
38c0d0fb3bf40b152dd328e1d4f489d9
sha1
d19108c3dda7f1bada9359de46b88c26b738cb36
sha256
3e7f3558c52a502bf9f9dc6a4b92d0546905001777075c62d93b4ad1e8de7912
sha512
62226ba7e5b060b79495e746f5df4d3c9d0b01a30391894fe1126a738e28315a82122083126fa608feb0c12dab9459a111e74aebbe8935e6d5092affff95912a
ripemd-160
558a6bf855305623dcd5f3b1392cfdc0853e8982
Diameter
399737810
Circumference
1255813367.2581
Area
1.2549902129912E+17
Volume
3.3444469287502E+25
Surface area
5.0199608519647E+17
Circumference
1255813367.2581
Perimeter
799475620
Area
39947579185899025
Diagonal
282657316.14766
Surface area
239685475115394150
Volume
7.9842789092864E+24
Space diagonal
346183098.31316
Perimeter
599606715
Area
1.729780919734E+16
Altitude
173091549.15658
Surface area
1.729780919734E+16
Volume
9.4095629327353E+23
Height
94219105.382553