20521609 is an odd 8-digits prime number following 20521608
and preceding 20521610 . In scientific notation, it is written as 2.0521609 × 10^7.
The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors.
There are 20521608 positive integers (up to 20521609) that are relatively prime to 20521609.
20521609 has 2 divisors, whose sum is 20521610
The reverse of 20521609 is 90612502
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million five hundred twenty-one thousand six hundred nine
Scientific notation
2.0521609 × 10^7
Engineering notation
2.0521609 × 10^6
Prime Factorization
20521609
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20521609
Product of the distinct prime numbers
The prime factorization of 20521609 is 20521609.
Since it has a total of 1 prime factors.
9 , 9 , 77 , 42 , 130 , 436 , 164 , 9129 , 29663 , 27893 , 582090 , 898121 , 5201603 , 6262642 , 30526197 , 57206976 , 912618197 , 906566931 , 8925293949 , 1870712445
n×2
41043218
n×3
61564827
n×4
82086436
n×5
102608045
n÷2
10260804.5
n÷3
6840536.3333333
n÷3
5130402.25
n÷5
4104321.8
n2
421136435948881
n3
8.6423972741965E+21
n4
1.7735589768373E+29
n5
3.6396283861094E+36
2 √n
4530.0782553947
3 √n
273.7813135993
4 √n
67.305856026015
5 √n
29.002957202852
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20521610
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10260805
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4530.0783657681
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999025418
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20521609 can be divided by 2 positive divisors.
The sum of these divisors (counting 20521609) is 20521610, the average is 10260805.
Base
System
Value
2
Binary
1001110010010001010001001
3
Ternary
1102121121100121
4
Quaternary
1032102022021
5
Quinary
20223142414
6
Senary
2011503241
8
Octal
116221211
10
Decimal
20521609
12
Duodecimal
6a57b21
16
Hexadecimal
1392289
20
Vigesimal
685409
36
Base36
c7ukp
md5
98466e11343f47088aa4b2e8a044f7eb
sha1
2c0ed1f5451fcfda7c94ace8e97f7e98ac4bdc1b
sha256
ae5d8afbb52460c84e4165859006d05c050371e1d7f52212bebc08f8b69125c6
sha512
54805e9f14afd0fb85edcfaab71620ef51aecd5a93a1dff902c7746b1687fd99b44c3aeef0131014a869dd9c0dbf144527424c54c8874cb2d9c3def76d816b16
ripemd-160
4b1c059490527dec23755a12aaf23d0ac2c04a36
Diameter
41043218
Circumference
128941072.14848
Area
1.323039133336E+15
Volume
3.6201189048027E+22
Surface area
5.292156533344E+15
Circumference
128941072.14848
Perimeter
82086436
Area
421136435948881
Diagonal
29021937.769518
Surface area
2526818615693286
Volume
8.6423972741965E+21
Space diagonal
35544469.441063
Perimeter
61564827
Area
1.8235742599548E+14
Altitude
17772234.720531
Surface area
1.8235742599548E+14
Volume
1.0185162863821E+21
Height
9673979.2565059