20453821 is an odd 8-digits prime number following 20453820
and preceding 20453822 . In scientific notation, it is written as 2.0453821 × 10^7.
The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors.
There are 20453820 positive integers (up to 20453821) that are relatively prime to 20453821.
20453821 has 2 divisors, whose sum is 20453822
The reverse of 20453821 is 12835402
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million four hundred fifty-three thousand eight hundred twenty-one
Scientific notation
2.0453821 × 10^7
Engineering notation
2.0453821 × 10^6
Prime Factorization
20453821
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20453821
Product of the distinct prime numbers
The prime factorization of 20453821 is 20453821.
Since it has a total of 1 prime factors.
10 , 3 , 22 , 44 , 265 , 456 , 666 , 9183 , 6515 , 51409 , 544607 , 700747 , 3945047 , 432772 , 97670899 , 84276508 , 465292512 , 237296842 , 7792450617 , 3535491138
n×2
40907642
n×3
61361463
n×4
81815284
n×5
102269105
n÷2
10226910.5
n÷3
6817940.3333333
n÷3
5113455.25
n÷5
4090764.2
n2
418358793500041
n3
8.5570358760258E+21
n4
1.7502408009881E+29
n5
3.5799112050307E+36
2 √n
4522.5900764938
3 √n
273.47952504118
4 √n
67.250205029381
5 √n
28.98377103311
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20453822
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10226911
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4522.5901870499
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999022188
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20453821 can be divided by 2 positive divisors.
The sum of these divisors (counting 20453821) is 20453822, the average is 10226911.
Base
System
Value
2
Binary
1001110000001100110111101
3
Ternary
1102111011100221
4
Quaternary
1032001212331
5
Quinary
20214010241
6
Senary
2010221341
8
Octal
116014675
10
Decimal
20453821
12
Duodecimal
6a24851
16
Hexadecimal
13819bd
20
Vigesimal
67geb1
36
Base36
c6e9p
md5
bffb9ff1d7aa43ca46e4a5644f8b72fb
sha1
48ad142596d233ff71ae80c7fdd2a83ef34caaea
sha256
c5db0bab59317087ecf7e6168b5167c88b708bf58e519e14d18919398af398f5
sha512
879827931e32732f8fcbcccd6883f401466f9c883ea6cd14d6a35f89a9450df76be50267955d52bd39e36b6617aaf09688dcc3ef0228782ef57a92209db4cce1
ripemd-160
1a8a145563172bb644792c12bc80e8a5b6dd2f20
Diameter
40907642
Circumference
128515147.58288
Area
1.3143129122244E+15
Volume
3.5843628059503E+22
Surface area
5.2572516488977E+15
Circumference
128515147.58288
Perimeter
81815284
Area
418358793500041
Diagonal
28926071.060552
Surface area
2510152761000246
Volume
8.5570358760258E+21
Space diagonal
35427057.180919
Perimeter
61361463
Area
1.8115467153382E+14
Altitude
17713528.59046
Surface area
1.8115467153382E+14
Volume
1.0084563491324E+21
Height
9642023.6868505