199986 is an even 6-digits composite number following 199985
and preceding 199987 . In scientific notation, it is written as 1.99986 × 10^5.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 66660 positive integers (up to 199986) that are relatively prime to 199986.
199986 has 8 divisors, whose sum is 399984
The reverse of 199986 is 689991
Previous prime number is 3
Is Prime? no
Number parity even
Number length 6
Sum of Digits 42
Digital Root 6
Name
one hundred ninety-nine thousand nine hundred eighty-six
Scientific notation
1.99986 × 10^5
Engineering notation
1.99986 × 10^3
Prime Factorization
2 × 3 × 33331
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
199986
Product of the distinct prime numbers
The prime factorization of 199986 is 2 × 3 × 33331.
Since it has a total of 3 prime factors.
10 , 2 , 87 , 22 , 273 , 945 , 6482 , 8049 , 70549 , 82635 , 357687 , 428799 , 1932944 , 9776494 , 43091926 , 12053293 , 745404449 , 930801926 , 5758549806 , 4472150734
n×2
399972
n×3
599958
n×4
799944
n×5
999930
n÷2
99993
n÷3
66662
n÷3
49996.5
n÷5
39997.2
n2
39994400196
n3
7998320117597256
n4
1.5995520470378E+21
n5
3.198880156789E+26
2 √n
447.19794275019
3 √n
58.478990190806
4 √n
21.147055179154
5 √n
11.486822727698
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
-199985
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 199986 can be divided by 8 positive divisors.
The sum of these divisors (counting 199986) is 1, the average is 0.125.
Base
System
Value
2
Binary
110000110100110010
3
Ternary
101011022220
4
Quaternary
300310302
5
Quinary
22344421
6
Senary
4141510
8
Octal
606462
10
Decimal
199986
12
Duodecimal
97896
16
Hexadecimal
30d32
20
Vigesimal
14jj6
36
Base36
4ab6
md5
8139e3a254079cc1aeb283c699e396f6
sha1
76ee446da3fe5a4e8ed8b664a0d7bdf9dd6a0eab
sha256
33ea69eaba28a4ce8971c80076af73b1f30f314b65daa5abce269614d4bb7936
sha512
ac5780a9bfd8f5876df245c3011b075796b9af4fdf9a13cfaf327e7fca5762a0987dcbd3a4fef47d95b19b96e7f290ef62d8fba79efc87c4f3b01864dcfc0401
ripemd-160
1b63b5441f1523cf57d529458e3e863a7eace3b2
Diameter
399972
Circumference
1256549.0968416
Area
125646113840.48
Volume
3.3503284963337E+16
Surface area
502584455361.94
Circumference
1256549.0968416
Perimeter
799944
Area
39994400196
Diagonal
282822.91348475
Surface area
239966401176
Volume
7998320117597256
Space diagonal
346385.91280247
Perimeter
599958
Area
17318083289.429
Altitude
173192.95640123
Surface area
17318083289.429
Volume
9.426110655423E+14
Height
94274.304494915