20809797 is an odd 8-digits composite number following 20809796
and preceding 20809798 . In scientific notation, it is written as 2.0809797 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 13844400 positive integers (up to 20809797) that are relatively prime to 20809797.
20809797 has 8 divisors, whose sum is 27804000
The reverse of 20809797 is 79790802
Previous prime number is 499
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty million eight hundred nine thousand seven hundred ninety-seven
Scientific notation
2.0809797 × 10^7
Engineering notation
2.0809797 × 10^6
Prime Factorization
3 × 499 × 13901
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20809797
Product of the distinct prime numbers
The prime factorization of 20809797 is 3 × 499 × 13901.
Since it has a total of 3 prime factors.
7 , 10 , 65 , 92 , 479 , 76 , 8237 , 3990 , 71879 , 91502 , 593866 , 776282 , 5652199 , 9497484 , 7817056 , 47032666 , 1452543 , 691607956 , 7988895469 , 7533038647
n×2
41619594
n×3
62429391
n×4
83239188
n×5
104048985
n÷2
10404898.5
n÷3
6936599
n÷3
5202449.25
n÷5
4161959.4
n2
433047651181209
n3
9.0116337124078E+21
n4
1.8753026819356E+29
n5
3.9024668124636E+36
2 √n
4561.7756411292
3 √n
275.05694468139
4 √n
67.540918272772
5 √n
29.083962013166
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20809796
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20809797 can be divided by 8 positive divisors.
The sum of these divisors (counting 20809797) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111011000100001000101
3
Ternary
1110011020200020
4
Quaternary
1033120201011
5
Quinary
20311403142
6
Senary
2022005353
8
Octal
117304105
10
Decimal
20809797
12
Duodecimal
6b76859
16
Hexadecimal
13d8845
20
Vigesimal
6a149h
36
Base36
ce0xx
md5
24ac166f615daf3ae1318ce6fe7d831e
sha1
7f8c23226de4e58bd4f6fe3235352dc05f61a705
sha256
0d0df728e40d6396b07c9034c33bb6304cb81f2b797cabec1038815b4330934f
sha512
360219da20fe25d46c47bc67cf427c6d8fb0aa23cdbf20dd08c74237c463e0de68b36d771b150897460ea88341b7236ba372a3514141ac65031e63b0074dd3b5
ripemd-160
44a66956f52a1359e6d82e0c8765664e3c30fe31
Diameter
41619594
Circumference
130751810.75579
Area
1.3604593196052E+15
Volume
3.7747843023656E+22
Surface area
5.4418372784208E+15
Circumference
130751810.75579
Perimeter
83239188
Area
433047651181209
Diagonal
29429497.147631
Surface area
2598285907087254
Volume
9.0116337124078E+21
Space diagonal
36043625.699194
Perimeter
62429391
Area
1.8751513348605E+14
Altitude
18021812.849597
Surface area
1.8751513348605E+14
Volume
1.0620312179355E+21
Height
9809832.3825436