209931 is an odd 6-digits composite number following 209930
and preceding 209932 . In scientific notation, it is written as 2.09931 × 10^5.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 127008 positive integers (up to 209931) that are relatively prime to 209931.
209931 has 8 divisors, whose sum is 225280
The reverse of 209931 is 139902
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 24
Digital Root 6
Name
two hundred nine thousand nine hundred thirty-one
Scientific notation
2.09931 × 10^5
Engineering notation
2.09931 × 10^3
Prime Factorization
87 × 19 × 127
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
209931
Product of the distinct prime numbers
The prime factorization of 209931 is 87 × 19 × 127.
Since it has a total of 3 prime factors.
5 , 5 , 39 , 56 , 100 , 378 , 1984 , 1993 , 79220 , 86375 , 115241 , 489925 , 8351241 , 3204790 , 81711078 , 41673306 , 792715398 , 620064675 , 7766648335 , 3837242997
n×2
419862
n×3
629793
n×4
839724
n×5
1049655
n÷2
104965.5
n÷3
69977
n÷3
52482.75
n÷5
41986.2
n2
44071024761
n3
9251874299101491
n4
1.9422552234847E+21
n5
4.0773958132136E+26
2 √n
458.1822781383
3 √n
59.432708804742
4 √n
21.405192784423
5 √n
11.598860225425
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
-209930
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 209931 can be divided by 8 positive divisors.
The sum of these divisors (counting 209931) is 1, the average is 0.125.
Base
System
Value
2
Binary
110011010000001011
3
Ternary
101122222020
4
Quaternary
303100023
5
Quinary
23204211
6
Senary
4255523
8
Octal
632013
10
Decimal
209931
12
Duodecimal
a15a3
16
Hexadecimal
3340b
20
Vigesimal
164gb
36
Base36
4hzf
md5
8f2c13529651db65ac9696748f5724d8
sha1
8e53df839207811a0626bb16d043ae0f0a92def8
sha256
0c3143b05a4a8233e18526e29d393ff937402f6eadd56021f4c671d75bf26ca7
sha512
78bd18c6715c02467c389dd963a25bd5f362454c50273c6167e4c55a2e4f02413409136efa2709b0df95c83b67be87c78cb06797b364658200268266a94b4a44
ripemd-160
3a5e47e29c802fdce8924cdca53acdb8af78dc8a
Diameter
419862
Circumference
1319035.3747215
Area
138453207625.33
Volume
3.8754160439991E+16
Surface area
553812830501.33
Circumference
1319035.3747215
Perimeter
839724
Area
44071024761
Diagonal
296887.26736255
Surface area
264426148566
Volume
9251874299101491
Space diagonal
363611.15808374
Perimeter
629793
Area
19083313506.92
Altitude
181805.57904187
Surface area
19083313506.92
Volume
1.0903438425967E+15
Height
98962.422454182