20809625 is an odd 8-digits composite number following 20809624
and preceding 20809626 . In scientific notation, it is written as 2.0809625 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 16560000 positive integers (up to 20809625) that are relatively prime to 20809625.
20809625 has 16 divisors, whose sum is 26107536
The reverse of 20809625 is 52690802
Previous prime number is 277
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million eight hundred nine thousand six hundred twenty-five
Scientific notation
2.0809625 × 10^7
Engineering notation
2.0809625 × 10^6
Prime Factorization
5 × 25 × 277 × 601
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20809625
Product of the distinct prime numbers
The prime factorization of 20809625 is 5 × 25 × 277 × 601.
Since it has a total of 4 prime factors.
10 , 4 , 3 , 19 , 942 , 577 , 3431 , 5642 , 8223 , 51341 , 212999 , 999404 , 3237248 , 1684365 , 88307538 , 49941555 , 924160036 , 752547697 , 9413974784 , 6636857558
n×2
41619250
n×3
62428875
n×4
83238500
n×5
104048125
n÷2
10404812.5
n÷3
6936541.6666667
n÷3
5202406.25
n÷5
4161925
n2
433040492640625
n3
9.0114102616667E+21
n4
1.8752406826644E+29
n5
3.9023055390989E+36
2 √n
4561.7567887821
3 √n
275.05618686646
4 √n
67.540778710214
5 √n
29.083913935254
1 , 5 , 25 , 125 , 277 , 601 , 1385 , 3005 , 6925 , 15025 , 34625 , 75125 , 166477 , 832385 , 4161925 , 20809625
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
-20809624
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 20809625 can be divided by 16 positive divisors.
The sum of these divisors (counting 20809625) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111011000011110011001
3
Ternary
1110011020102212
4
Quaternary
1033120132121
5
Quinary
20311402000
6
Senary
2022004505
8
Octal
117303631
10
Decimal
20809625
12
Duodecimal
6b76735
16
Hexadecimal
13d8799
20
Vigesimal
6a1415
36
Base36
ce0t5
md5
441e2a46706fb9203573fe3b846d8e09
sha1
25454c04a1665b4bf6b8c7e0fc0724ca4998f9a6
sha256
fe68c54145c510d67640406c9d4efcf8f97924e77fd7a8659472cef7b805a2b0
sha512
a30618b514dd5134f819ba120915b4499198bba50f8623453fd8a380b597edf885ab71045aa1bc2bd6b850d5fc634c5feef7af4ed16d74ef28aed269e3e16993
ripemd-160
c72e83c3d8aa1129097fd17d32aa1945839178ff
Diameter
41619250
Circumference
130750730.04792
Area
1.3604368303867E+15
Volume
3.7746907035381E+22
Surface area
5.4417473215468E+15
Circumference
130750730.04792
Perimeter
83238500
Area
433040492640625
Diagonal
29429253.902898
Surface area
2598242955843750
Volume
9.0114102616667E+21
Space diagonal
36043327.786455
Perimeter
62428875
Area
1.8751203374705E+14
Altitude
18021663.893228
Surface area
1.8751203374705E+14
Volume
1.0620048840131E+21
Height
9809751.3009661