20565989 is an odd 8-digits composite number following 20565988
and preceding 20565990 . In scientific notation, it is written as 2.0565989 × 10^7.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 19660320 positive integers (up to 20565989) that are relatively prime to 20565989.
20565989 has 8 divisors, whose sum is 21487872
The reverse of 20565989 is 98956502
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty million five hundred sixty-five thousand nine hundred eighty-nine
Scientific notation
2.0565989 × 10^7
Engineering notation
2.0565989 × 10^6
Prime Factorization
31 × 83 × 7993
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20565989
Product of the distinct prime numbers
The prime factorization of 20565989 is 31 × 83 × 7993.
Since it has a total of 3 prime factors.
3 , 3 , 6 , 58 , 318 , 176 , 4277 , 4026 , 34377 , 59898 , 519108 , 921019 , 9229848 , 362828 , 46990968 , 70863217 , 478504902 , 910407707 , 177030132 , 6645909066
n×2
41131978
n×3
61697967
n×4
82263956
n×5
102829945
n÷2
10282994.5
n÷3
6855329.6666667
n÷3
5141497.25
n÷5
4113197.8
n2
422959903548121
n3
8.6985887238117E+21
n4
1.7889508000944E+29
n5
3.6791542476282E+36
2 √n
4534.9739800797
3 √n
273.97853118237
4 √n
67.342215437864
5 √n
29.015490715665
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
-20565988
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 20565989 can be divided by 8 positive divisors.
The sum of these divisors (counting 20565989) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110011100111111100101
3
Ternary
1102200212020022
4
Quaternary
1032130333211
5
Quinary
20231102424
6
Senary
2012444525
8
Octal
116347745
10
Decimal
20565989
12
Duodecimal
6a79745
16
Hexadecimal
139cfe5
20
Vigesimal
68aej9
36
Base36
c8sth
md5
d99e24304d001a2de3a90adc1ecb1191
sha1
7ffd4ed9f8753f0fbf6e44e28b1f5b984f81bf18
sha256
9f8b6c20c9d34e18b1a8ffc65cba48eff81fe7ea010678b57f30d6eeb3c2e8a8
sha512
b80819a5cbc1093cf359672ea194a2c60c767ceaaf42069576ec47d3f97b3717544925505506ffdbee8f4d1241d8c08fe540d78b4d85389e0ddf16465b0244a5
ripemd-160
389c03f6194eff29eb5bf446a82b517f9914e29c
Diameter
41131978
Circumference
129219919.91242
Area
1.3287677257498E+15
Volume
3.6436563241768E+22
Surface area
5.3150709029993E+15
Circumference
129219919.91242
Perimeter
82263956
Area
422959903548121
Diagonal
29084700.567416
Surface area
2537759421288726
Volume
8.6985887238117E+21
Space diagonal
35621337.855903
Perimeter
61697967
Area
1.8314701062744E+14
Altitude
17810668.927951
Surface area
1.8314701062744E+14
Volume
1.0251385122267E+21
Height
9694900.1891386