20443818 is an even 8-digits composite number following 20443817
and preceding 20443819 . In scientific notation, it is written as 2.0443818 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 6594720 positive integers (up to 20443818) that are relatively prime to 20443818.
20443818 has 16 divisors, whose sum is 42206976
The reverse of 20443818 is 81834402
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million four hundred forty-three thousand eight hundred eighteen
Scientific notation
2.0443818 × 10^7
Engineering notation
2.0443818 × 10^6
Prime Factorization
2 × 3 × 31 × 109913
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20443818
Product of the distinct prime numbers
The prime factorization of 20443818 is 2 × 3 × 31 × 109913.
Since it has a total of 4 prime factors.
2 , 2 , 10 , 8 , 988 , 479 , 3831 , 8747 , 18453 , 16695 , 453227 , 27734 , 9847138 , 7987938 , 66350317 , 44310155 , 959289524 , 522055179 , 6720385458 , 6877409485
n×2
40887636
n×3
61331454
n×4
81775272
n×5
102219090
n÷2
10221909
n÷3
6814606
n÷3
5110954.5
n÷5
4088763.6
n2
417949694417124
n3
8.5444874858193E+21
n4
1.7468194706337E+29
n5
3.5711659336491E+36
2 √n
4521.4840484071
3 √n
273.43493578874
4 √n
67.241981294479
5 √n
28.980935559056
1 , 2 , 3 , 6 , 31 , 62 , 93 , 186 , 109913 , 219826 , 329739 , 659478 , 3407303 , 6814606 , 10221909 , 20443818
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20443817
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20443818 can be divided by 16 positive divisors.
The sum of these divisors (counting 20443818) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101111111001010101010
3
Ternary
1102110122122110
4
Quaternary
1031333022222
5
Quinary
20213200233
6
Senary
2010103150
8
Octal
115771252
10
Decimal
20443818
12
Duodecimal
6a1aab6
16
Hexadecimal
137f2aa
20
Vigesimal
67f9ai
36
Base36
c66ju
md5
7920f80576c1c461a64b736886ffa0b3
sha1
dc5461aaaf5b45696815fc5ad01b86a0633f6e17
sha256
b4e18db6a6956fdffe8005c7d75e3b1a90e56186aba7142e3c8b019fb3b41347
sha512
581c961d8f2445740fcc35270bf45cbb379728637e1a516ab5e9f767df0f0d45dd4313b3d7ef4a84e2d78e35d4bba4af56d08d54d9a81a6ea38fea4f150afada
ripemd-160
d69b71602e5d5b65af1edfcf1f91b16cf9d82d70
Diameter
40887636
Circumference
128452296.88025
Area
1.3130276895509E+15
Volume
3.579106548552E+22
Surface area
5.2521107582037E+15
Circumference
128452296.88025
Perimeter
81775272
Area
417949694417124
Diagonal
28911924.682287
Surface area
2507698166502744
Volume
8.5444874858193E+21
Space diagonal
35409731.476691
Perimeter
61331454
Area
1.8097752643459E+14
Altitude
17704865.738346
Surface area
1.8097752643459E+14
Volume
1.0069775071644E+21
Height
9637308.2274291