20421811 is an odd 8-digits composite number following 20421810
and preceding 20421812 . In scientific notation, it is written as 2.0421811 × 10^7.
The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors.
There are 19220512 positive integers (up to 20421811) that are relatively prime to 20421811.
20421811 has 4 divisors, whose sum is 21623112
The reverse of 20421811 is 11812402
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million four hundred twenty-one thousand eight hundred eleven
Scientific notation
2.0421811 × 10^7
Engineering notation
2.0421811 × 10^6
Prime Factorization
17 × 1201283
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20421811
Product of the distinct prime numbers
The prime factorization of 20421811 is 17 × 1201283.
Since it has a total of 2 prime factors.
6 , 9 , 43 , 19 , 387 , 936 , 8024 , 2825 , 17203 , 56572 , 586972 , 995396 , 493866 , 6941668 , 79799273 , 14025939 , 898602311 , 59039125 , 6059352367 , 191246291
n×2
40843622
n×3
61265433
n×4
81687244
n×5
102109055
n÷2
10210905.5
n÷3
6807270.3333333
n÷3
5105452.75
n÷5
4084362.2
n2
417050364519721
n3
8.5169237217028E+21
n4
1.7393100654603E+29
n5
3.5519861427228E+36
2 √n
4519.0497895022
3 √n
273.33678642607
4 √n
67.223878120071
5 √n
28.974693493643
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
-20421810
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 20421811 can be divided by 4 positive divisors.
The sum of these divisors (counting 20421811) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101111001110010110011
3
Ternary
1102102112110101
4
Quaternary
1031321302303
5
Quinary
20211444221
6
Senary
2005413231
8
Octal
115716263
10
Decimal
20421811
12
Duodecimal
6a0a217
16
Hexadecimal
1379cb3
20
Vigesimal
67ceab
36
Base36
c5pkj
md5
ac17f4c8769736438a3fb04f9b4a89fd
sha1
d34c011d157188d2146132063560f9dbf4e53ed3
sha256
5dad9453fc04d58db9eed1f3165008a8892972c8228fc32f95f16479acde1890
sha512
f1983098ca3e3cf01eae153b31ee32adfa34daa52fcb259be7240a76a79b5383220e744e2c84633c1c03709ef26c7a505119c2ad6624fa663fda33198c55d4bd
ripemd-160
81a46acbfe1f66bbe400fa65a2e7f2a769118acb
Diameter
40843622
Circumference
128314022.8212
Area
1.3102023613521E+15
Volume
3.5675606660382E+22
Surface area
5.2408094454084E+15
Circumference
128314022.8212
Perimeter
81687244
Area
417050364519721
Diagonal
28880802.08442
Surface area
2502302187118326
Volume
8.5169237217028E+21
Space diagonal
35371614.234569
Perimeter
61265433
Area
1.8058810516582E+14
Altitude
17685807.117284
Surface area
1.8058810516582E+14
Volume
1.0037290864108E+21
Height
9626934.02814