20785625 is an odd 8-digits composite number following 20785624
and preceding 20785626 . In scientific notation, it is written as 2.0785625 × 10^7.
The sum of its digits is 35. It has a total of 5 prime factors and 20 positive divisors.
There are 14250000 positive integers (up to 20785625) that are relatively prime to 20785625.
20785625 has 20 divisors, whose sum is 29690496
The reverse of 20785625 is 52658702
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million seven hundred eighty-five thousand six hundred twenty-five
Scientific notation
2.0785625 × 10^7
Engineering notation
2.0785625 × 10^6
Prime Factorization
25 × 5 × 5 × 7 × 4751
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
4157125
Product of the distinct prime numbers
The prime factorization of 20785625 is 25 × 5 × 5 × 7 × 4751.
Since it has a total of 5 prime factors.
4 , 8 , 51 , 36 , 415 , 547 , 9264 , 7201 , 84498 , 77745 , 314161 , 141120 , 3784565 , 5518207 , 90385603 , 82099467 , 930241622 , 645534644 , 3605380477 , 2230486887
n×2
41571250
n×3
62356875
n×4
83142500
n×5
103928125
n÷2
10392812.5
n÷3
6928541.6666667
n÷3
5196406.25
n÷5
4157125
n2
432042206640625
n3
8.9802672914045E+21
n4
1.866604683189E+29
n5
3.879854496801E+36
2 √n
4559.1254643846
3 √n
274.95040427919
4 √n
67.521296376659
5 √n
29.077202270159
1 , 5 , 7 , 25 , 35 , 125 , 175 , 625 , 875 , 4375 , 4751 , 23755 , 33257 , 118775 , 166285 , 593875 , 831425 , 2969375 , 4157125 , 20785625
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20785624
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20785625 can be divided by 20 positive divisors.
The sum of these divisors (counting 20785625) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001111010010100111011001
3
Ternary
1110010000111222
4
Quaternary
1033102213121
5
Quinary
20310120000
6
Senary
2021301425
8
Octal
117224731
10
Decimal
20785625
12
Duodecimal
6b64875
16
Hexadecimal
13d29d9
20
Vigesimal
69i415
36
Base36
cdiah
md5
fd82710d4977380683d4281d10f9717c
sha1
128fad8da6c1efc31784647d355ada29a1f6d125
sha256
c80c2cb133c83a5de6578eafd0aa6ecaf0deb730f0bf4412011cc39af7f234ba
sha512
43b4a46aa0f95fd30d502ae7db8fec66b9f45b771bb0938a4bc2d84c8418f5755b85a0752eb812a547778e729b14205778103581c1a39ba380161dd7c011916d
ripemd-160
187c26440d769bef72b16dd6d0e847e8263343f1
Diameter
41571250
Circumference
130599933.60054
Area
1.3573006224229E+15
Volume
3.7616455666599E+22
Surface area
5.4292024896916E+15
Circumference
130599933.60054
Perimeter
83142500
Area
432042206640625
Diagonal
29395312.777401
Surface area
2592253239843750
Volume
8.9802672914045E+21
Space diagonal
36001758.567074
Perimeter
62356875
Area
1.8707976322893E+14
Altitude
18000879.283537
Surface area
1.8707976322893E+14
Volume
1.05833464977E+21
Height
9798437.5924671