20803215 is an odd 8-digits composite number following 20803214
and preceding 20803216 . In scientific notation, it is written as 2.0803215 × 10^7.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 11095040 positive integers (up to 20803215) that are relatively prime to 20803215.
20803215 has 8 divisors, whose sum is 33285168
The reverse of 20803215 is 51230802
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million eight hundred three thousand two hundred fifteen
Scientific notation
2.0803215 × 10^7
Engineering notation
2.0803215 × 10^6
Prime Factorization
5 × 3 × 1386881
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20803215
Product of the distinct prime numbers
The prime factorization of 20803215 is 5 × 3 × 1386881.
Since it has a total of 3 prime factors.
9 , 3 , 56 , 90 , 413 , 945 , 7094 , 5235 , 25831 , 34477 , 574820 , 314329 , 3363292 , 7369619 , 68870807 , 56099064 , 892969832 , 168387765 , 3507813190 , 8063131594
n×2
41606430
n×3
62409645
n×4
83212860
n×5
104016075
n÷2
10401607.5
n÷3
6934405
n÷3
5200803.75
n÷5
4160643
n2
432773754336225
n3
9.0030854578137E+21
n4
1.8729312244227E+29
n5
3.8962990941879E+36
2 √n
4561.0541544691
3 √n
275.02794206436
4 √n
67.5355769537
5 √n
29.082121967712
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20803214
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20803215 can be divided by 8 positive divisors.
The sum of these divisors (counting 20803215) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111010110111010001111
3
Ternary
1110010220122110
4
Quaternary
1033112322033
5
Quinary
20311200330
6
Senary
2021515103
8
Octal
117267217
10
Decimal
20803215
12
Duodecimal
6b72a93
16
Hexadecimal
13d6e8f
20
Vigesimal
6a080f
36
Base36
cdvv3
md5
488ed2229b34aa91b95a79e922938cf8
sha1
d351d027253b3bb5a7f695934ab98d95fc6b6ff5
sha256
690fa8e1f3774cf088921bf148e081c54c3ed86150f9c7847e7a620cc4b9bd22
sha512
f7b61ff6ae2461cd32a8f7b3e7026d3921a87a614f2f65f55912949eba4d46d106dc1f9ba14cde50b5bbb47721bd2bfdbdb811ab4d970d6df77689cd817361f5
ripemd-160
ae194055d165fda963ffb994c51ea801b58d895e
Diameter
41606430
Circumference
130710454.8301
Area
1.3595988472892E+15
Volume
3.7712036178545E+22
Surface area
5.4383953891566E+15
Circumference
130710454.8301
Perimeter
83212860
Area
432773754336225
Diagonal
29420188.793963
Surface area
2596642526017350
Volume
9.0030854578137E+21
Space diagonal
36032225.340779
Perimeter
62409645
Area
1.8739653267317E+14
Altitude
18016112.670389
Surface area
1.8739653267317E+14
Volume
1.0610237964703E+21
Height
9806729.5979878