20809923 is an odd 8-digits composite number following 20809922
and preceding 20809924 . In scientific notation, it is written as 2.0809923 × 10^7.
The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors.
There are 13873280 positive integers (up to 20809923) that are relatively prime to 20809923.
20809923 has 4 divisors, whose sum is 27746568
The reverse of 20809923 is 32990802
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million eight hundred nine thousand nine hundred twenty-three
Scientific notation
2.0809923 × 10^7
Engineering notation
2.0809923 × 10^6
Prime Factorization
3 × 6936641
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20809923
Product of the distinct prime numbers
The prime factorization of 20809923 is 3 × 6936641.
Since it has a total of 2 prime factors.
7 , 1 , 10 , 49 , 475 , 164 , 9554 , 6289 , 42419 , 3031 , 643301 , 462172 , 2150135 , 1922298 , 99315762 , 43410829 , 702136813 , 739310908 , 5904165385 , 3911515738
n×2
41619846
n×3
62429769
n×4
83239692
n×5
104049615
n÷2
10404961.5
n÷3
6936641
n÷3
5202480.75
n÷5
4161984.6
n2
433052895265929
n3
9.011797405411E+21
n4
1.875348100982E+29
n5
3.9025849579632E+36
2 √n
4561.7894515201
3 √n
275.05749982224
4 √n
67.54102050991
5 √n
29.083997232831
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
-20809922
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 20809923 can be divided by 4 positive divisors.
The sum of these divisors (counting 20809923) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111011000100011000011
3
Ternary
1110011020211220
4
Quaternary
1033120203003
5
Quinary
20311404143
6
Senary
2022010123
8
Octal
117304303
10
Decimal
20809923
12
Duodecimal
6b76943
16
Hexadecimal
13d88c3
20
Vigesimal
6a14g3
36
Base36
ce11f
md5
f189ed769b47223441b88defec392a69
sha1
8721b8b8ed303e4a18ca7e21ffdf5e478cbbbd50
sha256
9ab4ba59f6f73117f18ff7da2f4dc3cf32cf569bb786efdd3cad891d43450ab8
sha512
2e9490f99d75691b2449828d47984d4a8c9c76ef1ac3d9cbb15bc0093e00f7f9da4b735d970219fbd99cf42028b42f9620186624adfbec27a9aac12c794341c0
ripemd-160
a31b11dba21e5002d84bb29e8fc6473f263a08a0
Diameter
41619846
Circumference
130752602.43714
Area
1.3604757943832E+15
Volume
3.7748528699305E+22
Surface area
5.4419031775329E+15
Circumference
130752602.43714
Perimeter
83239692
Area
433052895265929
Diagonal
29429675.33854
Surface area
2598317371595574
Volume
9.011797405411E+21
Space diagonal
36043843.937596
Perimeter
62429769
Area
1.8751740424135E+14
Altitude
18021921.968798
Surface area
1.8751740424135E+14
Volume
1.0620505093409E+21
Height
9809891.7795133