20565455 is an odd 8-digits composite number following 20565454
and preceding 20565456 . In scientific notation, it is written as 2.0565455 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 16282368 positive integers (up to 20565455) that are relatively prime to 20565455.
20565455 has 8 divisors, whose sum is 24933552
The reverse of 20565455 is 55456502
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million five hundred sixty-five thousand four hundred fifty-five
Scientific notation
2.0565455 × 10^7
Engineering notation
2.0565455 × 10^6
Prime Factorization
5 × 97 × 42403
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20565455
Product of the distinct prime numbers
The prime factorization of 20565455 is 5 × 97 × 42403.
Since it has a total of 3 prime factors.
3 , 7 , 63 , 88 , 173 , 692 , 656 , 3335 , 44194 , 83363 , 711017 , 114160 , 4595340 , 6595957 , 38236050 , 44718143 , 772867009 , 282104280 , 4379145171 , 90276839
n×2
41130910
n×3
61696365
n×4
82261820
n×5
102827275
n÷2
10282727.5
n÷3
6855151.6666667
n÷3
5141363.75
n÷5
4113091
n2
422937939357025
n3
8.6979111596396E+21
n4
1.7887650054757E+29
n5
3.6786766225685E+36
2 √n
4534.9151039463
3 √n
273.97615985947
4 √n
67.341778295099
5 √n
29.015340035501
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
-20565454
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 20565455 can be divided by 8 positive divisors.
The sum of these divisors (counting 20565455) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110011100110111001111
3
Ternary
1102200211111112
4
Quaternary
1032130313033
5
Quinary
20231043310
6
Senary
2012442235
8
Octal
116346717
10
Decimal
20565455
12
Duodecimal
6a7937b
16
Hexadecimal
139cdcf
20
Vigesimal
68adcf
36
Base36
c8sen
md5
7ae2fec0fe72851c0e405d1cc1d4f8ee
sha1
a76be7a784d6cd2057a7ddf9f9bcda40c5d3d2c1
sha256
85c17616d57aeb76b1957bee8da94f8bd4129efc8b95d58cfc67fe283b4e72a3
sha512
99bee288f4e94fd4d1e5a7804a4edaea7eb0e3d4bfcaee2ecea04ae2ffb643ab09f9804a0c472e8f29ec6aff39a74dd4d08ac903279090926509bb04cb65806e
ripemd-160
918695e56da4ead30a4f9848808a07eabcbceb85
Diameter
41130910
Circumference
129216564.69146
Area
1.3286987232084E+15
Volume
3.6433725067601E+22
Surface area
5.3147948928337E+15
Circumference
129216564.69146
Perimeter
82261820
Area
422937939357025
Diagonal
29083945.377374
Surface area
2537627636142150
Volume
8.6979111596396E+21
Space diagonal
35620412.940771
Perimeter
61696365
Area
1.8313749985371E+14
Altitude
17810206.470386
Surface area
1.8313749985371E+14
Volume
1.0250586605232E+21
Height
9694648.4591245