20782940 is an even 8-digits composite number following 20782939
and preceding 20782941 . In scientific notation, it is written as 2.0782940 × 10^7.
The sum of its digits is 32. It has a total of 5 prime factors and 24 positive divisors.
There are 8280128 positive integers (up to 20782940) that are relatively prime to 20782940.
20782940 has 24 divisors, whose sum is 43817760
The reverse of 20782940 is 04928702
Previous prime number is 3863
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million seven hundred eighty-two thousand nine hundred forty
Scientific notation
2.0782940 × 10^7
Engineering notation
2.0782940 × 10^6
Prime Factorization
2 × 2 × 5 × 3863 × 269
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10391470
Product of the distinct prime numbers
The prime factorization of 20782940 is 2 × 2 × 5 × 3863 × 269.
Since it has a total of 5 prime factors.
5 , 6 , 57 , 74 , 429 , 181 , 3939 , 1392 , 76328 , 36927 , 346336 , 53464 , 7353783 , 1197646 , 86284908 , 42751086 , 181709415 , 776520301 , 967597975 , 9408572649
n×2
41565880
n×3
62348820
n×4
83131760
n×5
103914700
n÷2
10391470
n÷3
6927646.6666667
n÷3
5195735
n÷5
4156588
n2
431930595043600
n3
8.9767876409554E+21
n4
1.8656403893472E+29
n5
3.8773492273379E+36
2 √n
4558.8309905062
3 √n
274.93856478875
4 √n
67.519115741442
5 √n
29.076451017094
1 , 2 , 4 , 5 , 10 , 20 , 269 , 538 , 1076 , 1345 , 2690 , 3863 , 5380 , 7726 , 15452 , 19315 , 38630 , 77260 , 1039147 , 2078294 , 4156588 , 5195735 , 10391470 , 20782940
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20782939
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20782940 can be divided by 24 positive divisors.
The sum of these divisors (counting 20782940) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001111010001111101011100
3
Ternary
1110002212211112
4
Quaternary
1033101331130
5
Quinary
20310023230
6
Senary
2021241152
8
Octal
117217534
10
Decimal
20782940
12
Duodecimal
6b631b8
16
Hexadecimal
13d1f5c
20
Vigesimal
69hh70
36
Base36
cdg7w
md5
87faaab165319cd0dc810fdf29c01040
sha1
0692856c173e74f313c67e442e08fd54afdb4c90
sha256
43af908dddfe82ec81b624634633cde86b6a1be3d9ad3da61a90208f1ba7b86b
sha512
2d9c1e854a0b821abef2cf481ba27671050285daee5a20d5d2a141faa49650ad0dd2156af5464bf9c20efc2bd607023ba0809f5fa72a9e6077feb2000f579626
ripemd-160
a1239910dfb347715569ca59bea697dbe0025d9a
Diameter
41565880
Circumference
130583063.24799
Area
1.3569499842496E+15
Volume
3.7601880140882E+22
Surface area
5.4277999369986E+15
Circumference
130583063.24799
Perimeter
83131760
Area
431930595043600
Diagonal
29391515.613986
Surface area
2591583570261600
Volume
8.9767876409554E+21
Space diagonal
35997108.010656
Perimeter
62348820
Area
1.8703143398974E+14
Altitude
17998554.005328
Surface area
1.8703143398974E+14
Volume
1.0579245690319E+21
Height
9797171.8713288