20284989 is an odd 8-digits composite number following 20284988
and preceding 20284990 . In scientific notation, it is written as 2.0284989 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 12728880 positive integers (up to 20284989) that are relatively prime to 20284989.
20284989 has 16 divisors, whose sum is 28654080
The reverse of 20284989 is 98948202
Previous prime number is 167
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty million two hundred eighty-four thousand nine hundred eighty-nine
Scientific notation
2.0284989 × 10^7
Engineering notation
2.0284989 × 10^6
Prime Factorization
3 × 19 × 167 × 2131
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20284989
Product of the distinct prime numbers
The prime factorization of 20284989 is 3 × 19 × 167 × 2131.
Since it has a total of 4 prime factors.
4 , 5 , 82 , 34 , 98 , 648 , 5006 , 4403 , 12895 , 4591 , 648550 , 860819 , 3419067 , 6172654 , 6551073 , 71895298 , 627786419 , 592622495 , 1449680024 , 3399981000
n×2
40569978
n×3
60854967
n×4
81139956
n×5
101424945
n÷2
10142494.5
n÷3
6761663
n÷3
5071247.25
n÷5
4056997.8
n2
411480778730121
n3
8.3468830702519E+21
n4
1.6931643126435E+29
n5
3.4345819457165E+36
2 √n
4503.8859887879
3 √n
272.72498435454
4 √n
67.110997524906
5 √n
28.935764109486
1 , 3 , 19 , 57 , 167 , 501 , 2131 , 3173 , 6393 , 9519 , 40489 , 121467 , 355877 , 1067631 , 6761663 , 20284989
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
-20284988
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 20284989 can be divided by 16 positive divisors.
The sum of these divisors (counting 20284989) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101011000011000111101
3
Ternary
1102011120202220
4
Quaternary
1031120120331
5
Quinary
20143104424
6
Senary
2002435553
8
Octal
115303075
10
Decimal
20284989
12
Duodecimal
6962bb9
16
Hexadecimal
135863d
20
Vigesimal
66fc99
36
Base36
c2rzx
md5
72d0dbb982171d223d027e47cd65dc11
sha1
7f56a290315cd19befde20e5886ed0cd27eb5c08
sha256
77419b7f06be8aec820eb5002fef75d7be92ceabe62d768f434cd9e96a49a498
sha512
b1ab777bd7a0be3de8f1607991f7deeef6f054e02562bb2e324f0e0190961fad81939909291939c100680be45b995d8774306aeabe7dc1f391c56d344d1fc2b1
ripemd-160
34df0670995bc7c4e8d595e0d8ff81eee8444cd0
Diameter
40569978
Circumference
127454344.8411
Area
1.292704991552E+15
Volume
3.4963342045169E+22
Surface area
5.1708199662078E+15
Circumference
127454344.8411
Perimeter
81139956
Area
411480778730121
Diagonal
28687306.556389
Surface area
2468884672380726
Volume
8.3468830702519E+21
Space diagonal
35134631.578976
Perimeter
60854967
Area
1.7817640377464E+14
Altitude
17567315.789488
Surface area
1.7817640377464E+14
Volume
9.8368960345772E+20
Height
9562435.5187964