20804780 is an even 8-digits composite number following 20804779
and preceding 20804781 . In scientific notation, it is written as 2.0804780 × 10^7.
The sum of its digits is 29. It has a total of 6 prime factors and 36 positive divisors.
There are 8167200 positive integers (up to 20804780) that are relatively prime to 20804780.
20804780 has 36 divisors, whose sum is 44515632
The reverse of 20804780 is 08740802
Previous prime number is 83
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million eight hundred four thousand seven hundred eighty
Scientific notation
2.0804780 × 10^7
Engineering notation
2.0804780 × 10^6
Prime Factorization
2 × 2 × 5 × 83 × 83 × 151
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
125330
Product of the distinct prime numbers
The prime factorization of 20804780 is 2 × 2 × 5 × 83 × 83 × 151.
Since it has a total of 6 prime factors.
4 , 4 , 38 , 51 , 525 , 19 , 6745 , 5288 , 84229 , 24604 , 897947 , 70051 , 9795757 , 229253 , 10986587 , 60671080 , 218389859 , 611679979 , 9996551535 , 2024077751
n×2
41609560
n×3
62414340
n×4
83219120
n×5
104023900
n÷2
10402390
n÷3
6934926.6666667
n÷3
5201195
n÷5
4160956
n2
432838870848400
n3
9.0051174834494E+21
n4
1.8734948811732E+29
n5
3.8977648833934E+36
2 √n
4561.2257124593
3 √n
275.03483856147
4 √n
67.536847072241
5 √n
29.082559516921
1 , 2 , 4 , 5 , 10 , 20 , 83 , 151 , 166 , 302 , 332 , 415 , 604 , 755 , 830 , 1510 , 1660 , 3020 , 6889 , 12533 , 13778 , 25066 , 27556 , 34445 , 50132 , 62665 , 68890 , 125330 , 137780 , 250660 , 1040239 , 2080478 , 4160956 , 5201195 , 10402390 , 20804780
36 divisors
τ
Total Divisors
36
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20804779
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.027777777777778
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
36
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20804780 can be divided by 36 positive divisors.
The sum of these divisors (counting 20804780) is 1, the average is 0.027777777777778.
Base
System
Value
2
Binary
1001111010111010010101100
3
Ternary
1110010222210102
4
Quaternary
1033113102230
5
Quinary
20311223110
6
Senary
2021530232
8
Octal
117272254
10
Decimal
20804780
12
Duodecimal
6b73978
16
Hexadecimal
13d74ac
20
Vigesimal
6a0bj0
36
Base36
cdx2k
md5
b4aad0346fe4b7aeaa1ed32d9e00b53e
sha1
0a428ea4b10f08a9ad310f08af14601b90de65a4
sha256
31beef9f915bcef3578659d47c034a48320621cc0749bd024986e918dc7b3137
sha512
0f2dfc8404432e22ea574e35ddc9605f48c6381359cce2284dc332a842686d2e2481f44af819507f064c62ca9965ae5ed18f7f271d843ece28f8aa85d1902b23
ripemd-160
36b577ceb763c83efea155cfdb1eaf77b26d25e1
Diameter
41609560
Circumference
130720288.0151
Area
1.3598034168454E+15
Volume
3.7720547907623E+22
Surface area
5.4392136673817E+15
Circumference
130720288.0151
Perimeter
83219120
Area
432838870848400
Diagonal
29422402.038189
Surface area
2597033225090400
Volume
9.0051174834494E+21
Space diagonal
36034936.000293
Perimeter
62414340
Area
1.8742472895004E+14
Altitude
18017468.000146
Surface area
1.8742472895004E+14
Volume
1.0612632729881E+21
Height
9807467.3460628