20804820 is an even 8-digits composite number following 20804819
and preceding 20804821 . In scientific notation, it is written as 2.0804820 × 10^7.
The sum of its digits is 24. It has a total of 5 prime factors and 24 positive divisors.
There are 5505280 positive integers (up to 20804820) that are relatively prime to 20804820.
20804820 has 24 divisors, whose sum is 39134592
The reverse of 20804820 is 02840802
Previous prime number is 137
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million eight hundred four thousand eight hundred twenty
Scientific notation
2.0804820 × 10^7
Engineering notation
2.0804820 × 10^6
Prime Factorization
2 × 2 × 15 × 137 × 2531
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10402410
Product of the distinct prime numbers
The prime factorization of 20804820 is 2 × 2 × 15 × 137 × 2531.
Since it has a total of 5 prime factors.
5 , 7 , 93 , 73 , 827 , 119 , 9700 , 5897 , 51930 , 66481 , 690615 , 371994 , 9562257 , 9664604 , 18264487 , 27787689 , 655514117 , 107111789 , 3967293091 , 4266279001
n×2
41609640
n×3
62414460
n×4
83219280
n×5
104024100
n÷2
10402410
n÷3
6934940
n÷3
5201205
n÷5
4160964
n2
432840535232400
n3
9.0051694242137E+21
n4
1.8735092894027E+29
n5
3.8978023534351E+36
2 √n
4561.2300972435
3 √n
275.03501482524
4 √n
67.536879534396
5 √n
29.082570699943
1 , 2 , 4 , 15 , 30 , 60 , 137 , 274 , 548 , 2055 , 2531 , 4110 , 5062 , 8220 , 10124 , 37965 , 75930 , 151860 , 346747 , 693494 , 1386988 , 5201205 , 10402410 , 20804820
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20804819
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20804820 can be divided by 24 positive divisors.
The sum of these divisors (counting 20804820) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001111010111010011010100
3
Ternary
1110010222211220
4
Quaternary
1033113103110
5
Quinary
20311223240
6
Senary
2021530340
8
Octal
117272324
10
Decimal
20804820
12
Duodecimal
6b739b0
16
Hexadecimal
13d74d4
20
Vigesimal
6a0c10
36
Base36
cdx3o
md5
be16b52bd227e21b8c09314c79bd9756
sha1
adcad8fde48333884f185d3a633c9ba56d6d8cab
sha256
f285aedcaa536135562840e4322e643e332a0285eebbc8cadb6bedd3b393b29e
sha512
974cd3cb3985dec52808b3f9c0f244856589af461ad12c04529dd2366c1f7f3b25f086890a7c08d1a6dfbe7eef0e769e60ac32ea771fcb83c2b289fe4901eb88
ripemd-160
9c6c32c2ece57882ac4764da69d4c7164294ac38
Diameter
41609640
Circumference
130720539.34252
Area
1.359808645662E+15
Volume
3.7720765476588E+22
Surface area
5.4392345826479E+15
Circumference
130720539.34252
Perimeter
83219280
Area
432840535232400
Diagonal
29422458.606731
Surface area
2597043211394400
Volume
9.0051694242137E+21
Space diagonal
36035005.282325
Perimeter
62414460
Area
1.8742544964946E+14
Altitude
18017502.641163
Surface area
1.8742544964946E+14
Volume
1.0612693942659E+21
Height
9807486.2022437