20943940 is an even 8-digits composite number following 20943939
and preceding 20943941 . In scientific notation, it is written as 2.0943940 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 8377568 positive integers (up to 20943940) that are relatively prime to 20943940.
20943940 has 12 divisors, whose sum is 43982316
The reverse of 20943940 is 04934902
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million nine hundred forty-three thousand nine hundred forty
Scientific notation
2.0943940 × 10^7
Engineering notation
2.0943940 × 10^6
Prime Factorization
2 × 2 × 5 × 1047197
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10471970
Product of the distinct prime numbers
The prime factorization of 20943940 is 2 × 2 × 5 × 1047197.
Since it has a total of 4 prime factors.
9 , 9 , 83 , 19 , 515 , 165 , 7785 , 2007 , 45757 , 22101 , 282071 , 378919 , 2448964 , 8847099 , 31641631 , 48087454 , 756276352 , 734238887 , 3261898303 , 1778189527
n×2
41887880
n×3
62831820
n×4
83775760
n×5
104719700
n÷2
10471970
n÷3
6981313.3333333
n÷3
5235985
n÷5
4188788
n2
438648622723600
n3
9.1870304354057E+21
n4
1.9241261421731E+29
n5
4.0298782474105E+36
2 √n
4576.4549599007
3 √n
275.64669839786
4 √n
67.649500810433
5 √n
29.121361599766
1 , 2 , 4 , 5 , 10 , 20 , 1047197 , 2094394 , 4188788 , 5235985 , 10471970 , 20943940
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
-20943939
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 20943940 can be divided by 12 positive divisors.
The sum of these divisors (counting 20943940) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001111111001010001000100
3
Ternary
1110102001200111
4
Quaternary
1033321101010
5
Quinary
20330201230
6
Senary
2024522404
8
Octal
117712104
10
Decimal
20943940
12
Duodecimal
7020404
16
Hexadecimal
13f9444
20
Vigesimal
6ahjh0
36
Base36
cgwg4
md5
7a0d286459faa55f5c844f62051a2970
sha1
f76a36eb60c1a65e1a2aee3084fe5d5f0280c2f0
sha256
d7dd2c6db9c5bdefcfaaeeed03d471fe503b0b4b5fc232e9a7196d74ed3db705
sha512
7ea320c0e60c72a9159286c41b9d4950626188d6b15c982ce5c0f79c974bd5df024df5381a84602786dc25a7354fba2e147dbebc6faf1187fc1f68b7b02c3f19
ripemd-160
b73ffc59eff3803fe36dc83349f61e450cd6e112
Diameter
41887880
Circumference
131594656.08245
Area
1.3780552906557E+15
Volume
3.8482543098902E+22
Surface area
5.512221162623E+15
Circumference
131594656.08245
Perimeter
83775760
Area
438648622723600
Diagonal
29619203.997528
Surface area
2631891736341600
Volume
9.1870304354057E+21
Space diagonal
36275968.190674
Perimeter
62831820
Area
1.8994042530685E+14
Altitude
18137984.095337
Surface area
1.8994042530685E+14
Volume
1.0827019199738E+21
Height
9873067.9991761