20784993 is an odd 8-digits composite number following 20784992
and preceding 20784994 . In scientific notation, it is written as 2.0784993 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 13077504 positive integers (up to 20784993) that are relatively prime to 20784993.
20784993 has 8 divisors, whose sum is 21230088
The reverse of 20784993 is 39948702
Previous prime number is 353
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty million seven hundred eighty-four thousand nine hundred ninety-three
Scientific notation
2.0784993 × 10^7
Engineering notation
2.0784993 × 10^6
Prime Factorization
57 × 353 × 1033
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20784993
Product of the distinct prime numbers
The prime factorization of 20784993 is 57 × 353 × 1033.
Since it has a total of 3 prime factors.
2 , 6 , 23 , 28 , 195 , 661 , 8364 , 9921 , 39107 , 35152 , 971765 , 785622 , 5490756 , 7904961 , 27115909 , 25499040 , 378598848 , 939053418 , 5358038051 , 6744788192
n×2
41569986
n×3
62354979
n×4
83139972
n×5
103924965
n÷2
10392496.5
n÷3
6928331
n÷3
5196248.25
n÷5
4156998.6
n2
432015934010049
n3
8.9794481642873E+21
n4
1.8663776723858E+29
n5
3.8792646855894E+36
2 √n
4559.0561523192
3 √n
274.94761757096
4 √n
67.520783113936
5 √n
29.077025445884
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
-20784992
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 20784993 can be divided by 8 positive divisors.
The sum of these divisors (counting 20784993) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111010010011101100001
3
Ternary
1110002222122120
4
Quaternary
1033102131201
5
Quinary
20310104433
6
Senary
2021254453
8
Octal
117223541
10
Decimal
20784993
12
Duodecimal
6b64429
16
Hexadecimal
13d2761
20
Vigesimal
69i29d
36
Base36
cdhsx
md5
056a62647a6cbd887c0b94b84b2f3087
sha1
2f56ff264e10dacec38b5a260def32d298340f2b
sha256
ae1f38f851f4bb19c15c64fb79ffe242519507e7f0de0b4f1710e9ee75d0263f
sha512
3c0293b64463b5966965b964f89386caf85a3cada9699e776832e0542cf38244f9a7ec0507a5efd12631b064e7dfcb8eba29833e9b00769b9654bd948cad8c42
ripemd-160
9850f2897dd03650d83a25c4dc41c68de3cb7b62
Diameter
41569986
Circumference
130595962.62743
Area
1.3572180845197E+15
Volume
3.7613024514954E+22
Surface area
5.4288723380788E+15
Circumference
130595962.62743
Perimeter
83139972
Area
432015934010049
Diagonal
29394418.99443
Surface area
2592095604060294
Volume
8.9794481642873E+21
Space diagonal
36000663.910963
Perimeter
62354979
Area
1.8706838684618E+14
Altitude
18000331.955482
Surface area
1.8706838684618E+14
Volume
1.0582381147134E+21
Height
9798139.6648099