20521489 is an odd 8-digits prime number following 20521488
and preceding 20521490 . In scientific notation, it is written as 2.0521489 × 10^7.
The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors.
There are 20521488 positive integers (up to 20521489) that are relatively prime to 20521489.
20521489 has 2 divisors, whose sum is 20521490
The reverse of 20521489 is 98412502
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million five hundred twenty-one thousand four hundred eighty-nine
Scientific notation
2.0521489 × 10^7
Engineering notation
2.0521489 × 10^6
Prime Factorization
20521489
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20521489
Product of the distinct prime numbers
The prime factorization of 20521489 is 20521489.
Since it has a total of 1 prime factors.
8 , 3 , 21 , 75 , 272 , 752 , 9999 , 4976 , 20941 , 35246 , 642424 , 546770 , 9096958 , 1971771 , 85506509 , 56681351 , 539302428 , 916581944 , 1236100947 , 5503665478
n×2
41042978
n×3
61564467
n×4
82085956
n×5
102607445
n÷2
10260744.5
n÷3
6840496.3333333
n÷3
5130372.25
n÷5
4104297.8
n2
421131510777121
n3
8.6422456659661E+21
n4
1.7735174936942E+29
n5
3.6395219738153E+36
2 √n
4530.065010571
3 √n
273.78077995333
4 √n
67.30575763314
5 √n
29.002923283845
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20521490
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10260745
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4530.0651209447
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999025412
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20521489 can be divided by 2 positive divisors.
The sum of these divisors (counting 20521489) is 20521490, the average is 10260745.
Base
System
Value
2
Binary
1001110010010001000010001
3
Ternary
1102121121012011
4
Quaternary
1032102020101
5
Quinary
20223141424
6
Senary
2011502521
8
Octal
116221021
10
Decimal
20521489
12
Duodecimal
6a57a41
16
Hexadecimal
1392211
20
Vigesimal
6853e9
36
Base36
c7uhd
md5
4cd16ea04a8d6bdc9994b0483d506f1e
sha1
39afe649a181ab4051f38db22049e00f6832adfb
sha256
1134b59e8612ca736f5b093428679c2f4014cc3cf2763ea4e2a6bfe61513daec
sha512
d2847ce13da0a1b8f60adddff3f2f56e0ad5cb817e87492e4355388497ede7204723130d2c1032f40aebf40db834b086805c9628e36e14c206911352ffa5154e
ripemd-160
d5c703b2a6799df4618b12c7cc226fcc5cf03948
Diameter
41042978
Circumference
128940318.16625
Area
1.3230236604526E+15
Volume
3.6200553992956E+22
Surface area
5.2920946418103E+15
Circumference
128940318.16625
Perimeter
82085956
Area
421131510777121
Diagonal
29021768.06389
Surface area
2526789064662726
Volume
8.6422456659661E+21
Space diagonal
35544261.594966
Perimeter
61564467
Area
1.8235529333355E+14
Altitude
17772130.797483
Surface area
1.8235529333355E+14
Volume
1.0184984191808E+21
Height
9673922.6879634