209912 is an even 6-digits composite number following 209911
and preceding 209913 . In scientific notation, it is written as 2.09912 × 10^5.
The sum of its digits is 23. It has a total of 5 prime factors and 16 positive divisors.
There are 99360 positive integers (up to 209912) that are relatively prime to 209912.
209912 has 16 divisors, whose sum is 414600
The reverse of 209912 is 219902
Previous prime number is 19
Is Prime? no
Number parity even
Number length 6
Sum of Digits 23
Digital Root 5
Name
two hundred nine thousand nine hundred twelve
Scientific notation
2.09912 × 10^5
Engineering notation
2.09912 × 10^3
Prime Factorization
2 × 2 × 2 × 19 × 1381
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
52478
Product of the distinct prime numbers
The prime factorization of 209912 is 2 × 2 × 2 × 19 × 1381.
Since it has a total of 5 prime factors.
5 , 7 , 27 , 2 , 584 , 874 , 2386 , 1955 , 80694 , 78186 , 712993 , 991666 , 4208834 , 125363 , 22893735 , 86025711 , 357015662 , 220092459 , 2643973641 , 5070673585
n×2
419824
n×3
629736
n×4
839648
n×5
1049560
n÷2
104956
n÷3
69970.666666667
n÷3
52478
n÷5
41982.4
n2
44063047744
n3
9249362478038528
n4
1.94155217649E+21
n5
4.0755510047137E+26
2 √n
458.16154356297
3 √n
59.43091574649
4 √n
21.404708443774
5 √n
11.598650264701
1 , 2 , 4 , 8 , 19 , 38 , 76 , 152 , 1381 , 2762 , 5524 , 11048 , 26239 , 52478 , 104956 , 209912
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
-209911
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 209912 can be divided by 16 positive divisors.
The sum of these divisors (counting 209912) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110011001111111000
3
Ternary
101122221112
4
Quaternary
303033320
5
Quinary
23204122
6
Senary
4255452
8
Octal
631770
10
Decimal
209912
12
Duodecimal
a1588
16
Hexadecimal
333f8
20
Vigesimal
164fc
36
Base36
4hyw
md5
87709d092b4f521d2a1b82177cf2be3b
sha1
962617bbacad4ecb8adf2892e16e1a4860939015
sha256
672480bc4ff9bbc1fb25dce20c2dc6e128203f16c418b4be8e713114e6bd1072
sha512
c39a5a6f31e7add5fabb47bf0c6ad2a3c858f1954eb77efc690688264dc2538fb53e4711617668374cd7aedf9f384f5e6c8f3eba87f04ae0171130436b30d012
ripemd-160
e00c1958633e64a595f1e2c1a286990d11f468ef
Diameter
419824
Circumference
1318915.9942007
Area
138428147087.33
Volume
3.8743638948527E+16
Surface area
553712588349.31
Circumference
1318915.9942007
Perimeter
839648
Area
44063047744
Diagonal
296860.39730486
Surface area
264378286464
Volume
9249362478038528
Space diagonal
363578.2491184
Perimeter
629736
Area
19079859357.235
Altitude
181789.1245592
Surface area
19079859357.235
Volume
1.0900478216456E+15
Height
98953.465768287