20782494 is an even 8-digits composite number following 20782493
and preceding 20782495 . In scientific notation, it is written as 2.0782494 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 6927444 positive integers (up to 20782494) that are relatively prime to 20782494.
20782494 has 16 divisors, whose sum is 43104768
The reverse of 20782494 is 49428702
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million seven hundred eighty-two thousand four hundred ninety-four
Scientific notation
2.0782494 × 10^7
Engineering notation
2.0782494 × 10^6
Prime Factorization
2 × 27 × 3 × 128287
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20782494
Product of the distinct prime numbers
The prime factorization of 20782494 is 2 × 27 × 3 × 128287.
Since it has a total of 4 prime factors.
2 , 5 , 46 , 99 , 608 , 91 , 9883 , 7941 , 13119 , 35984 , 664599 , 509518 , 6163751 , 1091489 , 97617765 , 89983450 , 470121720 , 759084922 , 9734353102 , 4497298876
n×2
41564988
n×3
62347482
n×4
83129976
n×5
103912470
n÷2
10391247
n÷3
6927498
n÷3
5195623.5
n÷5
4156498.8
n2
431912056860036
n3
8.9762097302214E+21
n4
1.8654802486107E+29
n5
3.876933207387E+36
2 √n
4558.7820741948
3 √n
274.93659805582
4 √n
67.518753500008
5 √n
29.076326220425
1 , 2 , 3 , 6 , 27 , 54 , 81 , 162 , 128287 , 256574 , 384861 , 769722 , 3463749 , 6927498 , 10391247 , 20782494
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
-20782493
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 20782494 can be divided by 16 positive divisors.
The sum of these divisors (counting 20782494) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111010001110110011110
3
Ternary
1110002212020000
4
Quaternary
1033101312132
5
Quinary
20310014434
6
Senary
2021235130
8
Octal
117216636
10
Decimal
20782494
12
Duodecimal
6b62aa6
16
Hexadecimal
13d1d9e
20
Vigesimal
69hg4e
36
Base36
cdfvi
md5
ea8ede420bc48838f5a3d959028d7f02
sha1
e5bde3b62e966c62b218a9aa11d62e27ac5e0e0e
sha256
f4e3da79cd4a4cbeb88b18b82c95814f8894132c9bb7ead15df4a8175d76322b
sha512
d70b2d33b49a0fc5e38ab8d02959b39f043336a15957ea793ffba86868b24be2886370b784e5c7912c371e99a12acf7ac8140d1be1e8cc1243fbb00a3e05454a
ripemd-160
ab3335ea2200292ab96c2f658f83c8e9a3073cc4
Diameter
41564988
Circumference
130580260.94735
Area
1.3568917448283E+15
Volume
3.759945939406E+22
Surface area
5.4275669793134E+15
Circumference
130580260.94735
Perimeter
83129976
Area
431912056860036
Diagonal
29390884.874737
Surface area
2591472341160216
Volume
8.9762097302214E+21
Space diagonal
35996335.515995
Perimeter
62347482
Area
1.8702340672079E+14
Altitude
17998167.757998
Surface area
1.8702340672079E+14
Volume
1.0578564615987E+21
Height
9796961.6249125