20804920 is an even 8-digits composite number following 20804919
and preceding 20804921 . In scientific notation, it is written as 2.0804920 × 10^7.
The sum of its digits is 25. It has a total of 5 prime factors and 16 positive divisors.
There are 8321952 positive integers (up to 20804920) that are relatively prime to 20804920.
20804920 has 16 divisors, whose sum is 46811160
The reverse of 20804920 is 02940802
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million eight hundred four thousand nine hundred twenty
Scientific notation
2.0804920 × 10^7
Engineering notation
2.0804920 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 520123
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5201230
Product of the distinct prime numbers
The prime factorization of 20804920 is 2 × 2 × 2 × 5 × 520123.
Since it has a total of 5 prime factors.
9 , 8 , 56 , 13 , 232 , 606 , 6330 , 3292 , 16385 , 29165 , 513728 , 707994 , 5844255 , 3800028 , 95257961 , 23124243 , 769068843 , 423086603 , 4626702887 , 1780548689
n×2
41609840
n×3
62414760
n×4
83219680
n×5
104024600
n÷2
10402460
n÷3
6934973.3333333
n÷3
5201230
n÷5
4160984
n2
432844696206400
n3
9.0052992769985E+21
n4
1.8735453103401E+29
n5
3.8978960298001E+36
2 √n
4561.2410591855
3 √n
275.03545548366
4 √n
67.536960689577
5 √n
29.08259865742
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 520123 , 1040246 , 2080492 , 2600615 , 4160984 , 5201230 , 10402460 , 20804920
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20804919
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20804920 can be divided by 16 positive divisors.
The sum of these divisors (counting 20804920) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111010111010100111000
3
Ternary
1110010222222121
4
Quaternary
1033113110320
5
Quinary
20311224140
6
Senary
2021531024
8
Octal
117272470
10
Decimal
20804920
12
Duodecimal
6b73a74
16
Hexadecimal
13d7538
20
Vigesimal
6a0c60
36
Base36
cdx6g
md5
73680f8469145d313dc54854574125c3
sha1
6efc18bf00aafb918fc39a178a9d7fbcda8c21c1
sha256
85120720a24a5c1b86e4106cecae86367b1b691932454e162887833ac8793818
sha512
0bc4061b303ea7db0d4abe3bfc5575c1d3105d65bf4392520635bf0d7096307c5400fd90e959658186b7332a5301d2f0d2b23e96b7880fb69c2b5488de00cb71
ripemd-160
1747f78ae1ebb9581d7bc0f4da60866ce0099620
Diameter
41609840
Circumference
130721167.66105
Area
1.3598217177473E+15
Volume
3.7721309402661E+22
Surface area
5.4392868709893E+15
Circumference
130721167.66105
Perimeter
83219680
Area
432844696206400
Diagonal
29422600.028087
Surface area
2597068177238400
Volume
9.0052992769985E+21
Space diagonal
36035178.487406
Perimeter
62414760
Area
1.8742725140405E+14
Altitude
18017589.243703
Surface area
1.8742725140405E+14
Volume
1.0612846975633E+21
Height
9807533.3426958