20564985 is an odd 8-digits composite number following 20564984
and preceding 20564986 . In scientific notation, it is written as 2.0564985 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 8601600 positive integers (up to 20564985) that are relatively prime to 20564985.
20564985 has 16 divisors, whose sum is 28893312
The reverse of 20564985 is 58946502
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million five hundred sixty-four thousand nine hundred eighty-five
Scientific notation
2.0564985 × 10^7
Engineering notation
2.0564985 × 10^6
Prime Factorization
14331 × 5 × 7 × 41
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20564985
Product of the distinct prime numbers
The prime factorization of 20564985 is 14331 × 5 × 7 × 41.
Since it has a total of 4 prime factors.
1 , 6 , 35 , 19 , 993 , 688 , 9652 , 4949 , 94570 , 67385 , 751369 , 978303 , 3220469 , 7978716 , 30690961 , 7009672 , 551215457 , 388221321 , 6456319190 , 9964514567
n×2
41129970
n×3
61694955
n×4
82259940
n×5
102824925
n÷2
10282492.5
n÷3
6854995
n÷3
5141246.25
n÷5
4112997
n2
422918608050225
n3
8.6973148307738E+21
n4
1.7886014903514E+29
n5
3.6782562820054E+36
2 √n
4534.863283496
3 √n
273.9740727061
4 √n
67.341393536932
5 √n
29.015207411793
1 , 5 , 7 , 35 , 41 , 205 , 287 , 1435 , 14331 , 71655 , 100317 , 501585 , 587571 , 2937855 , 4112997 , 20564985
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
-20564984
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 20564985 can be divided by 16 positive divisors.
The sum of these divisors (counting 20564985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110011100101111111001
3
Ternary
1102200210212010
4
Quaternary
1032130233321
5
Quinary
20231034420
6
Senary
2012440133
8
Octal
116345771
10
Decimal
20564985
12
Duodecimal
6a79049
16
Hexadecimal
139cbf9
20
Vigesimal
68ac95
36
Base36
c8s1l
md5
211757fb2ea205c285fc947adab28b4e
sha1
660abdfe35b2f8a78e9733a2650718ebfd3a11ca
sha256
799baabe16df00bc4d1914e8ce715fea1209278be4bbe28cf4d28389bb5986f5
sha512
7ad7e08630eed83ce4235e53cc7250d8c4a88eea25fbede71254c8d4cf5e7217cb04923aa704c0a8916ecc4729f16dceedfd29b081d9d9a1db297d4e89c0fdce
ripemd-160
bd52c1e49d10143bd975e58fc9da756b36cc92bc
Diameter
41129970
Circumference
129213611.59437
Area
1.328637992117E+15
Volume
3.6431227171089E+22
Surface area
5.314551968468E+15
Circumference
129213611.59437
Perimeter
82259940
Area
422918608050225
Diagonal
29083280.696999
Surface area
2537511648301350
Volume
8.6973148307738E+21
Space diagonal
35619598.876892
Perimeter
61694955
Area
1.8312912915232E+14
Altitude
17809799.438446
Surface area
1.8312912915232E+14
Volume
1.0249883824924E+21
Height
9694426.8989998