20665893 is an odd 8-digits composite number following 20665892
and preceding 20665894 . In scientific notation, it is written as 2.0665893 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors.
There are 13300560 positive integers (up to 20665893) that are relatively prime to 20665893.
20665893 has 12 divisors, whose sum is 28540928
The reverse of 20665893 is 39856602
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million six hundred sixty-five thousand eight hundred ninety-three
Scientific notation
2.0665893 × 10^7
Engineering notation
2.0665893 × 10^6
Prime Factorization
3 × 29 × 29 × 8191
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
712617
Product of the distinct prime numbers
The prime factorization of 20665893 is 3 × 29 × 29 × 8191.
Since it has a total of 4 prime factors.
9 , 10 , 47 , 85 , 825 , 953 , 4945 , 1955 , 3079 , 44332 , 791032 , 624010 , 1285238 , 6493044 , 7878520 , 6466235 , 368867455 , 337614151 , 7919748145 , 6081531864
n×2
41331786
n×3
61997679
n×4
82663572
n×5
103329465
n÷2
10332946.5
n÷3
6888631
n÷3
5166473.25
n÷5
4133178.6
n2
427079133487449
n3
8.8259716751843E+21
n4
1.8239658626039E+29
n5
3.7693883352225E+36
2 √n
4545.9754728771
3 √n
274.42145257088
4 √n
67.423849436806
5 √n
29.043625977068
1 , 3 , 29 , 87 , 841 , 2523 , 8191 , 24573 , 237539 , 712617 , 6888631 , 20665893
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20665892
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20665893 can be divided by 12 positive divisors.
The sum of these divisors (counting 20665893) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001110110101011000100101
3
Ternary
1102212221021110
4
Quaternary
1032311120211
5
Quinary
20242302033
6
Senary
2014535233
8
Octal
116653045
10
Decimal
20665893
12
Duodecimal
6b07519
16
Hexadecimal
13b5625
20
Vigesimal
6934ed
36
Base36
caxwl
md5
18bb0eeac54e85408b44ad59c995c2e8
sha1
d3bd6d58ea83c342952766fb103d0ccbcb21c6a4
sha256
d1fa9a1b530a21eb31d75a83c3aa652835e2e5e4eb04c56988cd94fb6577cc1c
sha512
5f40838c96ecbf8d09f100c3f446c3225cc2e4c1abdb4a89a916a01359892fb5bed7c6e206163edaca0c7e134dca2742c895ec67d9b9e043185bf5949b5b1fe6
ripemd-160
0abd6143176a86872fd0e1ff8ecf4bb720facad9
Diameter
41331786
Circumference
129847635.25735
Area
1.3417086682657E+15
Volume
3.6970143700734E+22
Surface area
5.3668346730627E+15
Circumference
129847635.25735
Perimeter
82663572
Area
427079133487449
Diagonal
29225986.159151
Surface area
2562474800924694
Volume
8.8259716751843E+21
Space diagonal
35794376.659782
Perimeter
61997679
Area
1.8493068951319E+14
Altitude
17897188.329891
Surface area
1.8493068951319E+14
Volume
1.0401507370139E+21
Height
9741995.3863837