20771809 is an odd 8-digits composite number following 20771808
and preceding 20771810 . In scientific notation, it is written as 2.0771809 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 20461716 positive integers (up to 20771809) that are relatively prime to 20771809.
20771809 has 4 divisors, whose sum is 21081904
The reverse of 20771809 is 90817702
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million seven hundred seventy-one thousand eight hundred nine
Scientific notation
2.0771809 × 10^7
Engineering notation
2.0771809 × 10^6
Prime Factorization
67 × 310027
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20771809
Product of the distinct prime numbers
The prime factorization of 20771809 is 67 × 310027.
Since it has a total of 2 prime factors.
10 , 3 , 53 , 44 , 630 , 877 , 5668 , 8487 , 56331 , 10248 , 605496 , 816120 , 521273 , 3420303 , 53182868 , 13481272 , 520358399 , 481664996 , 7785323992 , 8688979584
n×2
41543618
n×3
62315427
n×4
83087236
n×5
103859045
n÷2
10385904.5
n÷3
6923936.3333333
n÷3
5192952.25
n÷5
4154361.8
n2
431468049132481
n3
8.9623719061825E+21
n4
1.8616467742219E+29
n5
3.8669771219603E+36
2 √n
4557.6100096432
3 √n
274.88947183585
4 √n
67.510073393851
5 √n
29.073335776082
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
-20771808
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 20771809 can be divided by 4 positive divisors.
The sum of these divisors (counting 20771809) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111001111001111100001
3
Ternary
1110002022120021
4
Quaternary
1033033033201
5
Quinary
20304144214
6
Senary
2021113441
8
Octal
117171741
10
Decimal
20771809
12
Duodecimal
6b58881
16
Hexadecimal
13cf3e1
20
Vigesimal
69g9a9
36
Base36
cd7mp
md5
5accd398acfee93bff304af356fc9083
sha1
5280048fae5422e99f2413413984f52d700d4a43
sha256
f62f7927f41074000ff9da7388855b07f987d300760038f44e61ee1d146e01e2
sha512
2ba87a51266bcd03ab094c3c8d06a2fe65cfd8a2098973400fb3569513f5d2e342813f9708d979eea6fe235635daed6729d52125f6dbd8eadbc14db3e8c29635
ripemd-160
18e3cf108e28ede7387fdec76c6c7185ffc9f8af
Diameter
41543618
Circumference
130513125.11234
Area
1.3554968534133E+15
Volume
3.754149565227E+22
Surface area
5.4219874136533E+15
Circumference
130513125.11234
Perimeter
83087236
Area
431468049132481
Diagonal
29375774.002824
Surface area
2588808294794886
Volume
8.9623719061825E+21
Space diagonal
35977828.553116
Perimeter
62315427
Area
1.8683114573502E+14
Altitude
17988914.276558
Surface area
1.8683114573502E+14
Volume
1.0562256583962E+21
Height
9791924.6676078