20215280 is an even 8-digits composite number following 20215279
and preceding 20215281 . In scientific notation, it is written as 2.0215280 × 10^7.
The sum of its digits is 20. It has a total of 6 prime factors and 20 positive divisors.
There are 8086080 positive integers (up to 20215280) that are relatively prime to 20215280.
20215280 has 20 divisors, whose sum is 47000712
The reverse of 20215280 is 08251202
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million two hundred fifteen thousand two hundred eighty
Scientific notation
2.0215280 × 10^7
Engineering notation
2.0215280 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5 × 252691
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2526910
Product of the distinct prime numbers
The prime factorization of 20215280 is 2 × 2 × 2 × 2 × 5 × 252691.
Since it has a total of 6 prime factors.
1 , 8 , 44 , 18 , 650 , 159 , 3694 , 590 , 47162 , 91176 , 302820 , 458614 , 5709382 , 168564 , 59797552 , 11643605 , 547356335 , 314681333 , 368186194 , 1387626486
n×2
40430560
n×3
60645840
n×4
80861120
n×5
101076400
n÷2
10107640
n÷3
6738426.6666667
n÷3
5053820
n÷5
4043056
n2
408657545478400
n3
8.2611267059586E+21
n4
1.6700098947643E+29
n5
3.3759717625431E+36
2 √n
4496.1405671976
3 √n
272.41222097673
4 √n
67.053266640766
5 √n
28.915849269217
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80 , 252691 , 505382 , 1010764 , 1263455 , 2021528 , 2526910 , 4043056 , 5053820 , 10107640 , 20215280
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20215279
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20215280 can be divided by 20 positive divisors.
The sum of these divisors (counting 20215280) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001101000111010111110000
3
Ternary
1102001001011002
4
Quaternary
1031013113300
5
Quinary
20133342110
6
Senary
2001141132
8
Octal
115072760
10
Decimal
20215280
12
Duodecimal
692a7a8
16
Hexadecimal
13475f0
20
Vigesimal
666i40
36
Base36
c1a7k
md5
f80be8d628ec24a318ed96c10fb32415
sha1
d009dffc7aa0e95b373deb9266b3fb7e4c4bf6b0
sha256
d9236399e24124d7714833cf97d38569f83e7c49a2605e47e2579312e6485a88
sha512
bfb0642407a1833ecdf03ef5c2c1047982010f892e363f8c6b2ed021b7ff8f6175504d25107ea4990334ce14434dc16ba2ba59dea9c3c2783effb482591679ba
ripemd-160
50f0100edac99f5580e2a736c076c5494b74afed
Diameter
40430560
Circumference
127016350.27652
Area
1.283835542709E+15
Volume
3.4604126626419E+22
Surface area
5.1353421708359E+15
Circumference
127016350.27652
Perimeter
80861120
Area
408657545478400
Diagonal
28588723.14317
Surface area
2451945272870400
Volume
8.2611267059586E+21
Space diagonal
35013892.049231
Perimeter
60645840
Area
1.7695390791624E+14
Altitude
17506946.024615
Surface area
1.7695390791624E+14
Volume
9.735831190041E+20
Height
9529574.3810565