20805589 is an odd 8-digits composite number following 20805588
and preceding 20805590 . In scientific notation, it is written as 2.0805589 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 16806960 positive integers (up to 20805589) that are relatively prime to 20805589.
20805589 has 16 divisors, whose sum is 25159680
The reverse of 20805589 is 98550802
Previous prime number is 311
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million eight hundred five thousand five hundred eighty-nine
Scientific notation
2.0805589 × 10^7
Engineering notation
2.0805589 × 10^6
Prime Factorization
7 × 19 × 311 × 503
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20805589
Product of the distinct prime numbers
The prime factorization of 20805589 is 7 × 19 × 311 × 503.
Since it has a total of 4 prime factors.
5 , 5 , 43 , 96 , 92 , 111 , 4399 , 1225 , 44830 , 46045 , 664055 , 52683 , 8587778 , 5078714 , 3137896 , 50490560 , 163225100 , 877918516 , 4720506191 , 2702574666
n×2
41611178
n×3
62416767
n×4
83222356
n×5
104027945
n÷2
10402794.5
n÷3
6935196.3333333
n÷3
5201397.25
n÷5
4161117.8
n2
432872533636921
n3
9.0061680242385E+21
n4
1.8737863037725E+29
n5
3.8985227710119E+36
2 √n
4561.3143939001
3 √n
275.03840345218
4 √n
67.537503610217
5 √n
29.082785690182
1 , 7 , 19 , 133 , 311 , 503 , 2177 , 3521 , 5909 , 9557 , 41363 , 66899 , 156433 , 1095031 , 2972227 , 20805589
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
-20805588
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 20805589 can be divided by 16 positive divisors.
The sum of these divisors (counting 20805589) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111010111011111010101
3
Ternary
1110011000220101
4
Quaternary
1033113133111
5
Quinary
20311234324
6
Senary
2021534101
8
Octal
117273725
10
Decimal
20805589
12
Duodecimal
6b74331
16
Hexadecimal
13d77d5
20
Vigesimal
6a0dj9
36
Base36
cdxp1
md5
8ffb2ed042c1592908a6a6ef8b8ea066
sha1
316d1db4b9d884d146867e57f22b350eec569495
sha256
8a88a764d785c9422050a162a13425015ad0f1a105dfccb5f3b368b16787c5e7
sha512
77ed877b16f121750ac0e70ff86789b1b8f14f046942c5c827cdd4d1ee50e544a70b07e267c22ad6b403d6accb94431819e454417682655144dc5dd8db696031
ripemd-160
36b8a4242e338579bbd6ebb54d6ee912af616b31
Diameter
41611178
Circumference
130725371.11202
Area
1.3599091716146E+15
Volume
3.772494840259E+22
Surface area
5.4396366864582E+15
Circumference
130725371.11202
Perimeter
83222356
Area
432872533636921
Diagonal
29423546.13696
Surface area
2597235201821526
Volume
9.0061680242385E+21
Space diagonal
36036337.229396
Perimeter
62416767
Area
1.8743930536505E+14
Altitude
18018168.614698
Surface area
1.8743930536505E+14
Volume
1.0613870804074E+21
Height
9807848.7123202