20565388 is an even 8-digits composite number following 20565387
and preceding 20565389 . In scientific notation, it is written as 2.0565388 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 6 positive divisors.
There are 10282692 positive integers (up to 20565388) that are relatively prime to 20565388.
20565388 has 6 divisors, whose sum is 35989436
The reverse of 20565388 is 88356502
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million five hundred sixty-five thousand three hundred eighty-eight
Scientific notation
2.0565388 × 10^7
Engineering notation
2.0565388 × 10^6
Prime Factorization
2 × 2 × 5141347
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10282694
Product of the distinct prime numbers
The prime factorization of 20565388 is 2 × 2 × 5141347.
Since it has a total of 3 prime factors.
4 , 5 , 10 , 42 , 395 , 39 , 7701 , 4400 , 87734 , 77902 , 905065 , 440909 , 1611520 , 8066512 , 23022319 , 3237662 , 485922207 , 976709065 , 5408860810 , 1593859995
n×2
41130776
n×3
61696164
n×4
82261552
n×5
102826940
n÷2
10282694
n÷3
6855129.3333333
n÷3
5141347
n÷5
4113077.6
n2
422935183590544
n3
8.6978261493908E+21
n4
1.7887416951877E+29
n5
3.6786166993312E+36
2 √n
4534.9077168119
3 √n
273.97586233104
4 √n
67.341723446997
5 √n
29.015321129717
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20565387
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20565388 can be divided by 6 positive divisors.
The sum of these divisors (counting 20565388) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1001110011100110110001100
3
Ternary
1102200211102001
4
Quaternary
1032130312030
5
Quinary
20231043023
6
Senary
2012442044
8
Octal
116346614
10
Decimal
20565388
12
Duodecimal
6a79324
16
Hexadecimal
139cd8c
20
Vigesimal
68ad98
36
Base36
c8scs
md5
49b1caf144e8ab7a4bce05c318dff1fd
sha1
bf1f046bcb8c0901c3006655384851e84fa88a77
sha256
5d0ed1031f65c73d822688f3ff7179ad3ae3e3c5cdbd2630ac96d55ef29b4d08
sha512
32926302cbcd2fb5c1a5fba58cef20f98cb7af801cb114e57406871958d317d7bdd85c5815dd353e5415ed2472592690498a8d5a0e3654855e54807452de8e19
ripemd-160
7800aa752281885653cdb1ff17a95bbe94ef1a53
Diameter
41130776
Circumference
129216143.71805
Area
1.3286900657127E+15
Volume
3.6433368977503E+22
Surface area
5.3147602628508E+15
Circumference
129216143.71805
Perimeter
82261552
Area
422935183590544
Diagonal
29083850.625065
Surface area
2537611101543264
Volume
8.6978261493908E+21
Space diagonal
35620296.893367
Perimeter
61696164
Area
1.8313630657182E+14
Altitude
17810148.446684
Surface area
1.8313630657182E+14
Volume
1.0250486419693E+21
Height
9694616.8750216