209940 is an even 6-digits composite number following 209939
and preceding 209941 . In scientific notation, it is written as 2.09940 × 10^5.
The sum of its digits is 24. It has a total of 4 prime factors and 12 positive divisors.
There are 55968 positive integers (up to 209940) that are relatively prime to 209940.
209940 has 12 divisors, whose sum is 392000
The reverse of 209940 is 049902
Previous prime number is 15
Is Prime? no
Number parity even
Number length 6
Sum of Digits 24
Digital Root 6
Name
two hundred nine thousand nine hundred forty
Scientific notation
2.09940 × 10^5
Engineering notation
2.09940 × 10^3
Prime Factorization
2 × 2 × 15 × 3499
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
104970
Product of the distinct prime numbers
The prime factorization of 209940 is 2 × 2 × 15 × 3499.
Since it has a total of 4 prime factors.
8 , 4 , 85 , 41 , 817 , 122 , 6491 , 1198 , 13116 , 83966 , 276465 , 424980 , 6006563 , 6471058 , 36440824 , 87493867 , 330593181 , 150067523 , 7975738013 , 6096803026
n×2
419880
n×3
629820
n×4
839760
n×5
1049700
n÷2
104970
n÷3
69980
n÷3
52485
n÷5
41988
n2
44074803600
n3
9253064267784000
n4
1.9425883123786E+21
n5
4.0782699030076E+26
2 √n
458.19209945175
3 √n
59.433558110364
4 √n
21.405422197465
5 √n
11.598959675198
1 , 2 , 4 , 15 , 30 , 60 , 3499 , 6998 , 13996 , 52485 , 104970 , 209940
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-209939
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 209940 can be divided by 12 positive divisors.
The sum of these divisors (counting 209940) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
110011010000010100
3
Ternary
101122222120
4
Quaternary
303100110
5
Quinary
23204230
6
Senary
4255540
8
Octal
632024
10
Decimal
209940
12
Duodecimal
a15b0
16
Hexadecimal
33414
20
Vigesimal
164h0
36
Base36
4hzo
md5
2847a0af41241ad7007076984e9c7562
sha1
824f1516c1266fd46c98cc37f70b08f5206d6090
sha256
66bf65d41d31abe0c8f7580171b0ae329e24e1c7069301207e8b86b681bd9f26
sha512
6c588390842405a1bcaa85b7e819f85d77f4762a01dbcfc27e4d040b905b90f72ec6c82f228602d035bfe066786eec61e164d82436300ff84d6decf10c779d6e
ripemd-160
dfcdd21dfdae3198754f8445198d4a5a32e76756
Diameter
419880
Circumference
1319091.9233893
Area
138465079198.17
Volume
3.8759144969153E+16
Surface area
553860316792.69
Circumference
1319091.9233893
Perimeter
839760
Area
44074803600
Diagonal
296899.99528461
Surface area
264448821600
Volume
9253064267784000
Space diagonal
363626.74654101
Perimeter
629820
Area
19084949792.205
Altitude
181813.37327051
Surface area
19084949792.205
Volume
1.0904840817508E+15
Height
98966.665094869