20487771 is an odd 8-digits composite number following 20487770
and preceding 20487772 . In scientific notation, it is written as 2.0487771 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 12784896 positive integers (up to 20487771) that are relatively prime to 20487771.
20487771 has 12 divisors, whose sum is 29680560
The reverse of 20487771 is 17778402
Previous prime number is 6341
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million four hundred eighty-seven thousand seven hundred seventy-one
Scientific notation
2.0487771 × 10^7
Engineering notation
2.0487771 × 10^6
Prime Factorization
3 × 3 × 6341 × 359
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6829257
Product of the distinct prime numbers
The prime factorization of 20487771 is 3 × 3 × 6341 × 359.
Since it has a total of 4 prime factors.
2 , 1 , 95 , 68 , 789 , 564 , 2963 , 8525 , 58089 , 2007 , 285866 , 486914 , 3077274 , 287943 , 7714993 , 53376988 , 98433255 , 401394159 , 1533197146 , 9632890504
n×2
40975542
n×3
61463313
n×4
81951084
n×5
102438855
n÷2
10243885.5
n÷3
6829257
n÷3
5121942.75
n÷5
4097554.2
n2
419748760548441
n3
8.5997164836503E+21
n4
1.7618902198195E+29
n5
3.6097203350802E+36
2 √n
4526.3419004755
3 √n
273.63075183995
4 √n
67.278093763687
5 √n
28.993386315901
1 , 3 , 9 , 359 , 1077 , 3231 , 6341 , 19023 , 57069 , 2276419 , 6829257 , 20487771
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20487770
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20487771 can be divided by 12 positive divisors.
The sum of these divisors (counting 20487771) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001110001001111001011011
3
Ternary
1102112212221100
4
Quaternary
1032021321123
5
Quinary
20221102041
6
Senary
2011042443
8
Octal
116117133
10
Decimal
20487771
12
Duodecimal
6a40423
16
Hexadecimal
1389e5b
20
Vigesimal
680j8b
36
Base36
c74gr
md5
27891191df5bc57e7ed35ad58e103099
sha1
ce29684242729a910def6b8fe4b9e8c5d7163680
sha256
4638edf9f3dc2b816e440be918518ca7f1e3ff6b39671b5a2d7cc4a81f52fe0e
sha512
b1a128fc5a060250ccbf19be758487460d9dffc80826fe54b50d89e97bd541581f9fe57d9abfcf510902548014760448e45e6f8238e8e8add864f9d5947f0568
ripemd-160
dfde1bec07da28bccf3518353f77ba1774074953
Diameter
40975542
Circumference
128728461.72406
Area
1.3186796224924E+15
Volume
3.6022408170654E+22
Surface area
5.2747184899696E+15
Circumference
128728461.72406
Perimeter
81951084
Area
419748760548441
Diagonal
28974083.610994
Surface area
2518492563290646
Volume
8.5997164836503E+21
Space diagonal
35485860.305836
Perimeter
61463313
Area
1.8175654492099E+14
Altitude
17742930.152918
Surface area
1.8175654492099E+14
Volume
1.0134863069785E+21
Height
9658027.8703314