20804789 is an odd 8-digits prime number following 20804788
and preceding 20804790 . In scientific notation, it is written as 2.0804789 × 10^7.
The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors.
There are 20804788 positive integers (up to 20804789) that are relatively prime to 20804789.
20804789 has 2 divisors, whose sum is 20804790
The reverse of 20804789 is 98740802
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million eight hundred four thousand seven hundred eighty-nine
Scientific notation
2.0804789 × 10^7
Engineering notation
2.0804789 × 10^6
Prime Factorization
20804789
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20804789
Product of the distinct prime numbers
The prime factorization of 20804789 is 20804789.
Since it has a total of 1 prime factors.
2 , 8 , 52 , 65 , 477 , 817 , 5043 , 5669 , 91627 , 92986 , 808175 , 21038 , 2546090 , 5682713 , 49784129 , 70604618 , 478469110 , 731002045 , 2127301828 , 4403701258
n×2
41609578
n×3
62414367
n×4
83219156
n×5
104023945
n÷2
10402394.5
n÷3
6934929.6666667
n÷3
5201197.25
n÷5
4160957.8
n2
432839245334521
n3
9.0051291701039E+21
n4
1.8734981230176E+29
n5
3.8977733141277E+36
2 √n
4561.2266990361
3 √n
275.03487822084
4 √n
67.53685437623
5 √n
29.082562033103
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20804790
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10402395
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4561.2268086558
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999038683
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20804789 can be divided by 2 positive divisors.
The sum of these divisors (counting 20804789) is 20804790, the average is 10402395.
Base
System
Value
2
Binary
1001111010111010010110101
3
Ternary
1110010222210202
4
Quaternary
1033113102311
5
Quinary
20311223124
6
Senary
2021530245
8
Octal
117272265
10
Decimal
20804789
12
Duodecimal
6b73985
16
Hexadecimal
13d74b5
20
Vigesimal
6a0bj9
36
Base36
cdx2t
md5
dc60769801e84873e52142610fda95ac
sha1
2cdbd221c0fca4990c3e4aeddb457e813d7c0929
sha256
681801196ba43ba12dd75a7e48045eceeb54942992f08675e08964712dce5692
sha512
c04dfaf0701672d0f7400dd512913a2ebfe3d151faf10fee433d92334638f0ee5f4ac4fff1ccbda9195abfddc1433216b43a37101190473624e5b3d3cb0decfb
ripemd-160
bfbf2bf267887bbb13569d8de4a85c9ecf386fcc
Diameter
41609578
Circumference
130720344.56377
Area
1.3598045933283E+15
Volume
3.7720596860568E+22
Surface area
5.4392183733131E+15
Circumference
130720344.56377
Perimeter
83219156
Area
432839245334521
Diagonal
29422414.766111
Surface area
2597035472007126
Volume
9.0051291701039E+21
Space diagonal
36034951.58875
Perimeter
62414367
Area
1.8742489110729E+14
Altitude
18017475.794375
Surface area
1.8742489110729E+14
Volume
1.0612646502735E+21
Height
9807471.5887035