20782816 is an even 8-digits composite number following 20782815
and preceding 20782817 . In scientific notation, it is written as 2.0782816 × 10^7.
The sum of its digits is 34. It has a total of 7 prime factors and 24 positive divisors.
There are 10326528 positive integers (up to 20782816) that are relatively prime to 20782816.
20782816 has 24 divisors, whose sum is 41171760
The reverse of 20782816 is 61828702
Previous prime number is 167
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million seven hundred eighty-two thousand eight hundred sixteen
Scientific notation
2.0782816 × 10^7
Engineering notation
2.0782816 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 167 × 3889
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
1298926
Product of the distinct prime numbers
The prime factorization of 20782816 is 2 × 2 × 2 × 2 × 2 × 167 × 3889.
Since it has a total of 7 prime factors.
4 , 1 , 61 , 84 , 960 , 373 , 7184 , 3999 , 7948 , 36656 , 870791 , 54865 , 6491521 , 9440393 , 44914226 , 52968364 , 141121909 , 676882520 , 717691164 , 7616941453
n×2
41565632
n×3
62348448
n×4
83131264
n×5
103914080
n÷2
10391408
n÷3
6927605.3333333
n÷3
5195704
n÷5
4156563.2
n2
431925440889856
n3
8.9766269637328E+21
n4
1.865595864879E+29
n5
3.877233559014E+36
2 √n
4558.8173905082
3 √n
274.9380179869
4 √n
67.519015029162
5 √n
29.076416320477
1 , 2 , 4 , 8 , 16 , 32 , 167 , 334 , 668 , 1336 , 2672 , 3889 , 5344 , 7778 , 15556 , 31112 , 62224 , 124448 , 649463 , 1298926 , 2597852 , 5195704 , 10391408 , 20782816
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
-20782815
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 20782816 can be divided by 24 positive divisors.
The sum of these divisors (counting 20782816) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001111010001111011100000
3
Ternary
1110002212122221
4
Quaternary
1033101323200
5
Quinary
20310022231
6
Senary
2021240424
8
Octal
117217340
10
Decimal
20782816
12
Duodecimal
6b63114
16
Hexadecimal
13d1ee0
20
Vigesimal
69hh0g
36
Base36
cdg4g
md5
8690f002d503671cbff2cc93907e41de
sha1
eb977f26e1a2bd690971469541679c63c4d6b0ee
sha256
a6b488f38330b59116dfb1ecfe8f6d6bedbd18d3f4abe79954df0cf552aeca57
sha512
56101c8fc860782031fe0e6a5204e06b010cc214ef2e28e390ff9e19faf7dc4d569427f0dbc82c3ca153e2c71eeef8617e188e7ecc5cf0eec0996f5cebe6357b
ripemd-160
4ca687d2d349b3f6333866ad9b5f49bce8b98f07
Diameter
41565632
Circumference
130582284.13302
Area
1.3569337919981E+15
Volume
3.7601207097705E+22
Surface area
5.4277351679924E+15
Circumference
130582284.13302
Perimeter
83131264
Area
431925440889856
Diagonal
29391340.251505
Surface area
2591552645339136
Volume
8.9766269637328E+21
Space diagonal
35996893.236355
Perimeter
62348448
Area
1.870292021757E+14
Altitude
17998446.618178
Surface area
1.870292021757E+14
Volume
1.0579056330396E+21
Height
9797113.4171682