20802690 is an even 8-digits composite number following 20802689
and preceding 20802691 . In scientific notation, it is written as 2.0802690 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 5547312 positive integers (up to 20802690) that are relatively prime to 20802690.
20802690 has 16 divisors, whose sum is 42530496
The reverse of 20802690 is 09620802
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million eight hundred two thousand six hundred ninety
Scientific notation
2.0802690 × 10^7
Engineering notation
2.0802690 × 10^6
Prime Factorization
2 × 45 × 3 × 77047
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20802690
Product of the distinct prime numbers
The prime factorization of 20802690 is 2 × 45 × 3 × 77047.
Since it has a total of 4 prime factors.
9 , 6 , 18 , 74 , 43 , 258 , 565 , 1209 , 78185 , 81127 , 768126 , 438064 , 8183234 , 2238972 , 89901251 , 6067684 , 347017159 , 927182771 , 9292325207 , 2347917388
n×2
41605380
n×3
62408070
n×4
83210760
n×5
104013450
n÷2
10401345
n÷3
6934230
n÷3
5200672.5
n÷5
4160538
n2
432751911236100
n3
9.0024038563521E+21
n4
1.872742166785E+29
n5
3.8958074745556E+36
2 √n
4560.9966016212
3 √n
275.02562846549
4 √n
67.535150859543
5 √n
29.08197518013
1 , 2 , 3 , 6 , 45 , 90 , 135 , 270 , 77047 , 154094 , 231141 , 462282 , 3467115 , 6934230 , 10401345 , 20802690
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
-20802689
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 20802690 can be divided by 16 positive divisors.
The sum of these divisors (counting 20802690) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111010110110010000010
3
Ternary
1110010212221000
4
Quaternary
1033112302002
5
Quinary
20311141230
6
Senary
2021512430
8
Octal
117266202
10
Decimal
20802690
12
Duodecimal
6b72716
16
Hexadecimal
13d6c82
20
Vigesimal
6a06ea
36
Base36
cdvgi
md5
28f6e82639dca05b9ed82327b8b40baa
sha1
b94f099bcf765bcf14d96a70552dffe199bb740e
sha256
41940e256055a9a9aa9e1db0c61775c0dda0afda5dcf0b45323f1e359dcfb328
sha512
90a0a51a99cb88a91739b5ebad0eb7f5b57d857fa1c081584d2758a5ec8997801c319507ebff11581b73edc6ca9445b4c3aa69f6870f5330eda7d95fc8830c68
ripemd-160
5af4de5093b96a87d34745d4f5815b97718a4e57
Diameter
41605380
Circumference
130707156.15781
Area
1.3595302251663E+15
Volume
3.7709181093019E+22
Surface area
5.4381209006651E+15
Circumference
130707156.15781
Perimeter
83210760
Area
432751911236100
Diagonal
29419446.331843
Surface area
2596511467416600
Volume
9.0024038563521E+21
Space diagonal
36031316.014105
Perimeter
62408070
Area
1.8738707433337E+14
Altitude
18015658.007053
Surface area
1.8738707433337E+14
Volume
1.0609434689678E+21
Height
9806482.1106144