20685575 is an odd 8-digits composite number following 20685574
and preceding 20685576 . In scientific notation, it is written as 2.0685575 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 16548440 positive integers (up to 20685575) that are relatively prime to 20685575.
20685575 has 4 divisors, whose sum is 21513024
The reverse of 20685575 is 57558602
Previous prime number is 25
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million six hundred eighty-five thousand five hundred seventy-five
Scientific notation
2.0685575 × 10^7
Engineering notation
2.0685575 × 10^6
Prime Factorization
25 × 827423
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20685575
Product of the distinct prime numbers
The prime factorization of 20685575 is 25 × 827423.
Since it has a total of 2 prime factors.
10 , 8 , 55 , 84 , 411 , 227 , 2467 , 588 , 71345 , 77439 , 366406 , 807289 , 6978432 , 489213 , 34733561 , 2301989 , 501076354 , 960725613 , 5369750714 , 9530526240
n×2
41371150
n×3
62056725
n×4
82742300
n×5
103427875
n÷2
10342787.5
n÷3
6895191.6666667
n÷3
5171393.75
n÷5
4137115
n2
427893013080625
n3
8.8512130140552E+21
n4
1.8309243064322E+29
n5
3.7873722060025E+36
2 √n
4548.1397296037
3 √n
274.50854372254
4 √n
67.439897164837
5 √n
29.049156045401
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20685574
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20685575 can be divided by 4 positive divisors.
The sum of these divisors (counting 20685575) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110111010001100000111
3
Ternary
1102220221021102
4
Quaternary
1032322030013
5
Quinary
20243414300
6
Senary
2015210315
8
Octal
116721407
10
Decimal
20685575
12
Duodecimal
6b1699b
16
Hexadecimal
13ba307
20
Vigesimal
695dif
36
Base36
cbd3b
md5
18958608ccaca661a89677aca1a02250
sha1
b0a3941fa6e18391324ed610fa57c759180cff4b
sha256
ff10bd5cb72c130ecaea669cceaf22558e3b7fc894d6e0de592519dad2484a53
sha512
f8f57c5b22574dbec926115c95369df62bf216d8a6af6b2fc7c675a953eaba2179f674f1d048743f05a6bb3ba45b6dae10a2abc6c1e89d5916691f152025f20d
ripemd-160
0914d70524d13a375adc7398e71dd13d5da3522b
Diameter
41371150
Circumference
129971300.91056
Area
1.3442655464165E+15
Volume
3.7075874373752E+22
Surface area
5.377062185666E+15
Circumference
129971300.91056
Perimeter
82742300
Area
427893013080625
Diagonal
29253820.710486
Surface area
2567358078483750
Volume
8.8512130140552E+21
Space diagonal
35828466.883777
Perimeter
62056725
Area
1.8528310971484E+14
Altitude
17914233.441888
Surface area
1.8528310971484E+14
Volume
1.0431254573275E+21
Height
9751273.5701619