20993855 is an odd 8-digits composite number following 20993854
and preceding 20993856 . In scientific notation, it is written as 2.0993855 × 10^7.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 16582176 positive integers (up to 20993855) that are relatively prime to 20993855.
20993855 has 8 divisors, whose sum is 25512000
The reverse of 20993855 is 55839902
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty million nine hundred ninety-three thousand eight hundred fifty-five
Scientific notation
2.0993855 × 10^7
Engineering notation
2.0993855 × 10^6
Prime Factorization
5 × 79 × 53149
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20993855
Product of the distinct prime numbers
The prime factorization of 20993855 is 5 × 79 × 53149.
Since it has a total of 3 prime factors.
8 , 7 , 5 , 47 , 206 , 605 , 2558 , 7561 , 73843 , 45118 , 129495 , 942495 , 123791 , 6481739 , 97322807 , 99291005 , 563079796 , 16104072 , 4140708717 , 1039332226
n×2
41987710
n×3
62981565
n×4
83975420
n×5
104969275
n÷2
10496927.5
n÷3
6997951.6666667
n÷3
5248463.75
n÷5
4198771
n2
440741947761025
n3
9.2528725437125E+21
n4
1.9425346451618E+29
n5
4.0781290673004E+36
2 √n
4581.9051714325
3 √n
275.86550455402
4 √n
67.68977154218
5 √n
29.135229181727
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20993854
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20993855 can be divided by 8 positive divisors.
The sum of these divisors (counting 20993855) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000101011100111111
3
Ternary
1110111121011012
4
Quaternary
1100011130333
5
Quinary
20333300410
6
Senary
2025545435
8
Octal
120053477
10
Decimal
20993855
12
Duodecimal
704527b
16
Hexadecimal
140573f
20
Vigesimal
6b44cf
36
Base36
chyyn
md5
82b013953033eb8ac788b08e9914fdb4
sha1
cfb5781b9370530d9fe42d3905983ef74862d7c9
sha256
46f3fa961ddc6aeefb8d303ec09589813112bcba5a8b8eb6c7d8271cad182ae6
sha512
00f6b788d6b33b87cb68e21006ebeb1a1543f012c4ab2464c54141afa2ba11c2a9aeb7b068493f9be05dc3d3f41c5ed15675909b93c8e50df3638b4a121fd80e
ripemd-160
573acb1adbbdca54e7756b722ef37ba41d0d18b6
Diameter
41987710
Circumference
131908281.27706
Area
1.3846316652149E+15
Volume
3.875834187724E+22
Surface area
5.5385266608596E+15
Circumference
131908281.27706
Perimeter
83975420
Area
440741947761025
Diagonal
29689794.467494
Surface area
2644451686566150
Volume
9.2528725437125E+21
Space diagonal
36362423.506734
Perimeter
62981565
Area
1.9084686163724E+14
Altitude
18181211.753367
Surface area
1.9084686163724E+14
Volume
1.0904614868523E+21
Height
9896598.1558314