20565640 is an even 8-digits composite number following 20565639
and preceding 20565641 . In scientific notation, it is written as 2.0565640 × 10^7.
The sum of its digits is 28. It has a total of 6 prime factors and 32 positive divisors.
There are 7942144 positive integers (up to 20565640) that are relatively prime to 20565640.
20565640 has 32 divisors, whose sum is 47871000
The reverse of 20565640 is 04656502
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million five hundred sixty-five thousand six hundred forty
Scientific notation
2.0565640 × 10^7
Engineering notation
2.0565640 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 29 × 17729
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5141410
Product of the distinct prime numbers
The prime factorization of 20565640 is 2 × 2 × 2 × 5 × 29 × 17729.
Since it has a total of 6 prime factors.
10 , 5 , 51 , 75 , 747 , 761 , 3289 , 6344 , 30752 , 7954 , 632819 , 956034 , 794632 , 6177021 , 83183579 , 87585527 , 645630200 , 258628159 , 3989724 , 9736661898
n×2
41131280
n×3
61696920
n×4
82262560
n×5
102828200
n÷2
10282820
n÷3
6855213.3333333
n÷3
5141410
n÷5
4113128
n2
422945548609600
n3
8.6981458923075E+21
n4
1.7888293708868E+29
n5
3.6788420863083E+36
2 √n
4534.9355011951
3 √n
273.97698138984
4 √n
67.341929740654
5 √n
29.015392237785
1 , 2 , 4 , 5 , 8 , 10 , 20 , 29 , 40 , 58 , 116 , 145 , 232 , 290 , 580 , 1160 , 17729 , 35458 , 70916 , 88645 , 141832 , 177290 , 354580 , 514141 , 709160 , 1028282 , 2056564 , 2570705 , 4113128 , 5141410 , 10282820 , 20565640
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20565639
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20565640 can be divided by 32 positive divisors.
The sum of these divisors (counting 20565640) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001110011100111010001000
3
Ternary
1102200211202101
4
Quaternary
1032130322020
5
Quinary
20231100030
6
Senary
2012443144
8
Octal
116347210
10
Decimal
20565640
12
Duodecimal
6a794b4
16
Hexadecimal
139ce88
20
Vigesimal
68ae20
36
Base36
c8sjs
md5
124ab32d7c0148e0c28accc64f99f59b
sha1
f433ee0f995548bcead1c002ed63b4000fa24433
sha256
8c5805347663db67d06b31b5028cac14890f6483fd413d505574f2ce5735a4f2
sha512
ed75bc05f81d62e6df22f6ef709a4d976c71eb4ace2b6aab299501dd473b05dc158aa4c3c82c3f8128994a3b97271e430f921a4d5b109954f3de45d40412451f
ripemd-160
08b1b82002b729d67f9287bbc2a010cbd3cb5e5e
Diameter
41131280
Circumference
129217727.08074
Area
1.3287226283804E+15
Volume
3.6434708313501E+22
Surface area
5.3148905135217E+15
Circumference
129217727.08074
Perimeter
82262560
Area
422945548609600
Diagonal
29084207.006883
Surface area
2537673291657600
Volume
8.6981458923075E+21
Space diagonal
35620733.370171
Perimeter
61696920
Area
1.8314079475673E+14
Altitude
17810366.685085
Surface area
1.8314079475673E+14
Volume
1.0250863240334E+21
Height
9694735.6689609