199857 is an odd 6-digits composite number following 199856
and preceding 199858 . In scientific notation, it is written as 1.99857 × 10^5.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 110160 positive integers (up to 199857) that are relatively prime to 199857.
199857 has 16 divisors, whose sum is 315392
The reverse of 199857 is 758991
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 39
Digital Root 3
Name
one hundred ninety-nine thousand eight hundred fifty-seven
Scientific notation
1.99857 × 10^5
Engineering notation
1.99857 × 10^3
Prime Factorization
3 × 7 × 31 × 307
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
199857
Product of the distinct prime numbers
The prime factorization of 199857 is 3 × 7 × 31 × 307.
Since it has a total of 4 prime factors.
8 , 6 , 10 , 91 , 932 , 831 , 8786 , 4802 , 16239 , 5046 , 454198 , 154555 , 7947986 , 8244396 , 58818356 , 85811452 , 411109225 , 78052088 , 5285745092 , 2160969905
n×2
399714
n×3
599571
n×4
799428
n×5
999285
n÷2
99928.5
n÷3
66619
n÷3
49964.25
n÷5
39971.4
n2
39942820449
n3
7982852266475793
n4
1.5954289054211E+21
n5
3.1885763475074E+26
2 √n
447.053688051
3 √n
58.466413623205
4 √n
21.143644152582
5 √n
11.485340441326
1 , 3 , 7 , 21 , 31 , 93 , 217 , 307 , 651 , 921 , 2149 , 6447 , 9517 , 28551 , 66619 , 199857
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-199856
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 199857 can be divided by 16 positive divisors.
The sum of these divisors (counting 199857) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110000110010110001
3
Ternary
101011011010
4
Quaternary
300302301
5
Quinary
22343412
6
Senary
4141133
8
Octal
606261
10
Decimal
199857
12
Duodecimal
977a9
16
Hexadecimal
30cb1
20
Vigesimal
14jch
36
Base36
4a7l
md5
b25fca003a9eae26725d36a2eae7b618
sha1
36836fc870ac59c38806b3deacb7077ac632e3ab
sha256
ca79fa48eeb3926cb7193dee22777bbc4e50aff0d0f34a6485e92621ff9613f1
sha512
089a3f65d4c7ed2b5c81d9e99bd0effa2be712ce818d43c6182e5a73c2b074df3d0c7abe9dfdbf8823e11128a8def1ae20ce5226de2834dd65fa757f32a0d9d5
ripemd-160
cfda515677db9832394d4742350e9c3d7cf4018a
Diameter
399714
Circumference
1255738.565937
Area
125484071286.23
Volume
3.3438493380071E+16
Surface area
501936285144.94
Circumference
1255738.565937
Perimeter
799428
Area
39942820449
Diagonal
282640.4799352
Surface area
239656922694
Volume
7982852266475793
Space diagonal
346162.47824829
Perimeter
599571
Area
17295748603.817
Altitude
173081.23912415
Surface area
17295748603.817
Volume
9.4078816180591E+14
Height
94213.493311733