199921 is an odd 6-digits prime number following 199920
and preceding 199922 . In scientific notation, it is written as 1.99921 × 10^5.
The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors.
There are 199920 positive integers (up to 199921) that are relatively prime to 199921.
199921 has 2 divisors, whose sum is 199922
The reverse of 199921 is 129991
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 6
Sum of Digits 31
Digital Root 4
Name
one hundred ninety-nine thousand nine hundred twenty-one
Scientific notation
1.99921 × 10^5
Engineering notation
1.99921 × 10^3
Prime Factorization
199921
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
199921
Product of the distinct prime numbers
The prime factorization of 199921 is 199921.
Since it has a total of 1 prime factors.
9 , 4 , 94 , 85 , 667 , 75 , 5589 , 8554 , 80181 , 64630 , 422509 , 700066 , 2900435 , 5485137 , 69150207 , 4644904 , 730387859 , 30368224 , 7670593939 , 5717293186
n×2
399842
n×3
599763
n×4
799684
n×5
999605
n÷2
99960.5
n÷3
66640.333333333
n÷3
49980.25
n÷5
39984.2
n2
39968406241
n3
7990523744106961
n4
1.5974734974456E+21
n5
3.1936849908282E+26
2 √n
447.12526209106
3 √n
58.472653836836
4 √n
21.145336651164
5 √n
11.486075934855
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
199922
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
99961
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
447.12638034453
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999899960985
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 199921 can be divided by 2 positive divisors.
The sum of these divisors (counting 199921) is 199922, the average is 99961.
Base
System
Value
2
Binary
110000110011110001
3
Ternary
101011020111
4
Quaternary
300303301
5
Quinary
22344141
6
Senary
4141321
8
Octal
606361
10
Decimal
199921
12
Duodecimal
97841
16
Hexadecimal
30cf1
20
Vigesimal
14jg1
36
Base36
4a9d
md5
d57039d3c92f98427f59b509c99c9ec2
sha1
0e4b6e8fc4fd16047728ca9ef449a4aabcaae609
sha256
88b793990784723f9947087bc93e1358f518260eb8c3131f808f62f382f69c6c
sha512
76f6a2357a2f2294301043ceddbab28bc873965feca6de310d0978ab516b7a9b699ddf483d3d21c3072d39d597676fda94edea9ef826b8ff42cde30512b04a6e
ripemd-160
ea3106c00ebc3595504f757f77219f0de65bda2d
Diameter
399842
Circumference
1256140.6897967
Area
125564451422.42
Volume
3.3470627590428E+16
Surface area
502257805689.67
Circumference
1256140.6897967
Perimeter
799684
Area
39968406241
Diagonal
282730.98960319
Surface area
239810437446
Volume
7990523744106961
Space diagonal
346273.32949998
Perimeter
599763
Area
17306827576.741
Altitude
173136.66474999
Surface area
17306827576.741
Volume
9.4169225411503E+14
Height
94243.663201064