199891 is an odd 6-digits composite number following 199890
and preceding 199892 . In scientific notation, it is written as 1.99891 × 10^5.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 195592 positive integers (up to 199891) that are relatively prime to 199891.
199891 has 4 divisors, whose sum is 204192
The reverse of 199891 is 198991
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 37
Digital Root 1
Name
one hundred ninety-nine thousand eight hundred ninety-one
Scientific notation
1.99891 × 10^5
Engineering notation
1.99891 × 10^3
Prime Factorization
47 × 4253
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
199891
Product of the distinct prime numbers
The prime factorization of 199891 is 47 × 4253.
Since it has a total of 2 prime factors.
4 , 8 , 19 , 45 , 193 , 259 , 5599 , 4989 , 16324 , 58215 , 180547 , 686924 , 1065526 , 5752404 , 1194099 , 95766238 , 692822740 , 329310674 , 3863020596 , 7481745864
n×2
399782
n×3
599673
n×4
799564
n×5
999455
n÷2
99945.5
n÷3
66630.333333333
n÷3
49972.75
n÷5
39978.2
n2
39956411881
n3
7986927127304971
n4
1.5965148504041E+21
n5
3.1912894996213E+26
2 √n
447.09171318646
3 √n
58.469728902543
4 √n
21.144543343058
5 √n
11.48573119572
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
-199890
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 199891 can be divided by 4 positive divisors.
The sum of these divisors (counting 199891) is 1, the average is 0.25.
Base
System
Value
2
Binary
110000110011010011
3
Ternary
101011012101
4
Quaternary
300303103
5
Quinary
22344031
6
Senary
4141231
8
Octal
606323
10
Decimal
199891
12
Duodecimal
97817
16
Hexadecimal
30cd3
20
Vigesimal
14jeb
36
Base36
4a8j
md5
a7a0fdea2bd0363c5546b1df8f12cb5c
sha1
04689a477f8fa25e0bc86e6f9e879036631c4267
sha256
fff1e5127de9a8cfce7db967108ffc531fe2d54435f357245009d297b57a82d0
sha512
d08f4db54582727096fdc349d1ab6f6a2bf3a9b94a194db6819d4bb347360dd58e8bd598912a3ddcac38523c1e30b189da277f1c158e2e77f3360fadb7b81457
ripemd-160
0b050aff3ab1975f05aab456894070d0475a3caa
Diameter
399782
Circumference
1255952.1942374
Area
125526770029.16
Volume
3.3455562117198E+16
Surface area
502107080116.63
Circumference
1255952.1942374
Perimeter
799564
Area
39956411881
Diagonal
282688.56319632
Surface area
239738471286
Volume
7986927127304971
Space diagonal
346221.36797575
Perimeter
599673
Area
17301633866.51
Altitude
173110.68398788
Surface area
17301633866.51
Volume
9.4126838876002E+14
Height
94229.52106544