20421569 is an odd 8-digits composite number following 20421568
and preceding 20421570 . In scientific notation, it is written as 2.0421569 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 17292816 positive integers (up to 20421569) that are relatively prime to 20421569.
20421569 has 4 divisors, whose sum is 20457300
The reverse of 20421569 is 96512402
Previous prime number is 581
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million four hundred twenty-one thousand five hundred sixty-nine
Scientific notation
2.0421569 × 10^7
Engineering notation
2.0421569 × 10^6
Prime Factorization
581 × 35149
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20421569
Product of the distinct prime numbers
The prime factorization of 20421569 is 581 × 35149.
Since it has a total of 2 prime factors.
1 , 8 , 6 , 92 , 214 , 438 , 7083 , 8613 , 52465 , 71693 , 116136 , 684029 , 3825404 , 3984273 , 18019998 , 96615595 , 167721222 , 460384038 , 6963183486 , 3751296879
n×2
40843138
n×3
61264707
n×4
81686276
n×5
102107845
n÷2
10210784.5
n÷3
6807189.6666667
n÷3
5105392.25
n÷5
4084313.8
n2
417040480421761
n3
8.5166209467261E+21
n4
1.7392276231041E+29
n5
3.5517756911927E+36
2 √n
4519.0230138825
3 √n
273.33570673463
4 √n
67.22367896718
5 √n
28.974624822857
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
-20421568
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 20421569 can be divided by 4 positive divisors.
The sum of these divisors (counting 20421569) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101111001101111000001
3
Ternary
1102102112010102
4
Quaternary
1031321233001
5
Quinary
20211442234
6
Senary
2005412145
8
Octal
115715701
10
Decimal
20421569
12
Duodecimal
6a0a055
16
Hexadecimal
1379bc1
20
Vigesimal
67cdi9
36
Base36
c5pdt
md5
0a7dc07092291c2670553933b4e9c030
sha1
8a7544fd50173f300658a2e3df8d870b576538bb
sha256
195bf74784f9304e66f7acc863489f44bc8aa30e9de3a383b7e2f9099a240b7f
sha512
7bba76acabd25fb191ca7c95d4dcc8b236f38e7a8d2f06f9d1da4d1c0e9d04cb2279036c5612fdb4ba97acd1bcf453d820473e02e304513a5601cab09053a511
ripemd-160
1964ba6f5e5da69156e2cb404fde9aaf41c4660e
Diameter
40843138
Circumference
128312502.29035
Area
1.3101713095426E+15
Volume
3.5674338399525E+22
Surface area
5.2406852381702E+15
Circumference
128312502.29035
Perimeter
81686276
Area
417040480421761
Diagonal
28880459.844738
Surface area
2502242882530566
Volume
8.5166209467261E+21
Space diagonal
35371195.078274
Perimeter
61264707
Area
1.8058382522586E+14
Altitude
17685597.539137
Surface area
1.8058382522586E+14
Volume
1.0036934040376E+21
Height
9626819.948246