20778049 is an odd 8-digits composite number following 20778048
and preceding 20778050 . In scientific notation, it is written as 2.0778049 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 20759940 positive integers (up to 20778049) that are relatively prime to 20778049.
20778049 has 4 divisors, whose sum is 20796160
The reverse of 20778049 is 94087702
Previous prime number is 1231
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million seven hundred seventy-eight thousand forty-nine
Scientific notation
2.0778049 × 10^7
Engineering notation
2.0778049 × 10^6
Prime Factorization
1231 × 16879
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20778049
Product of the distinct prime numbers
The prime factorization of 20778049 is 1231 × 16879.
Since it has a total of 2 prime factors.
6 , 7 , 22 , 30 , 449 , 824 , 5518 , 8759 , 73607 , 59859 , 715204 , 173845 , 312401 , 2406185 , 37532150 , 848335 , 743582128 , 825174127 , 6356529335 , 4298077056
n×2
41556098
n×3
62334147
n×4
83112196
n×5
103890245
n÷2
10389024.5
n÷3
6926016.3333333
n÷3
5194512.25
n÷5
4155609.8
n2
431727320246401
n3
8.9704514147184E+21
n4
1.8638847904714E+29
n5
3.8727889506769E+36
2 √n
4558.2945275618
3 √n
274.91699533447
4 √n
67.515142950021
5 √n
29.075082333828
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20778048
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20778049 can be divided by 4 positive divisors.
The sum of these divisors (counting 20778049) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111010000110001000001
3
Ternary
1110002122010101
4
Quaternary
1033100301001
5
Quinary
20304344144
6
Senary
2021202401
8
Octal
117206101
10
Decimal
20778049
12
Duodecimal
6b60401
16
Hexadecimal
13d0c41
20
Vigesimal
69h529
36
Base36
cdcg1
md5
d3e0fe405eb03530b937e1f1e0d1509f
sha1
bcb9b41c459e3c9e297457b92e5febbd2bd73394
sha256
a031530d5b8e9b025759dcdb7b5d18da72b57921155bbd3caa5c5f63714525aa
sha512
3b4b34046f1f4bda1d1652884f16e8b3791445f8d4f3c983635274ae0c0fdce95e3329bcafac6dc2a7424013256258e9f03c52b85850cd46f74bba137e6cb1c1
ripemd-160
318b8dc98d7106b05bb14203ef2af54782c60e56
Diameter
41556098
Circumference
130552332.18866
Area
1.3563113776401E+15
Volume
3.7575339018485E+22
Surface area
5.4252455105604E+15
Circumference
130552332.18866
Perimeter
83112196
Area
431727320246401
Diagonal
29384598.695453
Surface area
2590363921478406
Volume
8.9704514147184E+21
Space diagonal
35988636.550156
Perimeter
62334147
Area
1.8694341342058E+14
Altitude
17994318.275078
Surface area
1.8694341342058E+14
Volume
1.0571778376086E+21
Height
9794866.2318176