20805025 is an odd 8-digits composite number following 20805024
and preceding 20805026 . In scientific notation, it is written as 2.0805025 × 10^7.
The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors.
There are 15664640 positive integers (up to 20805025) that are relatively prime to 20805025.
20805025 has 8 divisors, whose sum is 25260264
The reverse of 20805025 is 52050802
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million eight hundred five thousand twenty-five
Scientific notation
2.0805025 × 10^7
Engineering notation
2.0805025 × 10^6
Prime Factorization
85 × 5 × 48953
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20805025
Product of the distinct prime numbers
The prime factorization of 20805025 is 85 × 5 × 48953.
Since it has a total of 3 prime factors.
10 , 5 , 62 , 56 , 471 , 482 , 7253 , 3366 , 19538 , 33657 , 278417 , 821830 , 3338089 , 2331291 , 25266533 , 10738395 , 585859811 , 313492368 , 8581539137 , 6555441129
n×2
41610050
n×3
62415075
n×4
83220100
n×5
104025125
n÷2
10402512.5
n÷3
6935008.3333333
n÷3
5201256.25
n÷5
4161005
n2
432849065250625
n3
9.0054356237659E+21
n4
1.8735831328834E+29
n5
3.8979943919217E+36
2 √n
4561.2525691963
3 √n
275.03591817348
4 √n
67.537045902203
5 √n
29.082628012657
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
-20805024
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 20805025 can be divided by 8 positive divisors.
The sum of these divisors (counting 20805025) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111010111010110100001
3
Ternary
1110011000010111
4
Quaternary
1033113112201
5
Quinary
20311230100
6
Senary
2021531321
8
Octal
117272641
10
Decimal
20805025
12
Duodecimal
6b73b41
16
Hexadecimal
13d75a1
20
Vigesimal
6a0cb5
36
Base36
cdx9d
md5
059a7944de0dbcce1151d4e22366490e
sha1
4449a1ee7ab4f6a6e328d487db6b644149bb5029
sha256
aa23bd2a05bd58c04769371fd8bf8f0693f5a62241ddded9066924fbb0055bef
sha512
7ffa4be3fbffe94b28a9a648a8d85452b4b05c6d623c27f8a2a28409a013089e11bd206a9e3fa0fe5fa217096e1db648e25fe63bdacebd61c2b9b5bef39036ac
ripemd-160
e1dd8728d485fd5565d68911540a1afdf4827b53
Diameter
41610050
Circumference
130721827.3955
Area
1.3598354435046E+15
Volume
3.7721880530665E+22
Surface area
5.4393417740183E+15
Circumference
130721827.3955
Perimeter
83220100
Area
432849065250625
Diagonal
29422748.520511
Surface area
2597094391503750
Volume
9.0054356237659E+21
Space diagonal
36035360.352741
Perimeter
62415075
Area
1.8742914325569E+14
Altitude
18017680.17637
Surface area
1.8742914325569E+14
Volume
1.061300766184E+21
Height
9807582.8401704