20688625 is an odd 8-digits composite number following 20688624
and preceding 20688626 . In scientific notation, it is written as 2.0688625 × 10^7.
The sum of its digits is 37. It has a total of 5 prime factors and 24 positive divisors.
There are 15120000 positive integers (up to 20688625) that are relatively prime to 20688625.
20688625 has 24 divisors, whose sum is 26855424
The reverse of 20688625 is 52688602
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million six hundred eighty-eight thousand six hundred twenty-five
Scientific notation
2.0688625 × 10^7
Engineering notation
2.0688625 × 10^6
Prime Factorization
5 × 5 × 95 × 31 × 281
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
4137725
Product of the distinct prime numbers
The prime factorization of 20688625 is 5 × 5 × 95 × 31 × 281.
Since it has a total of 5 prime factors.
5 , 2 , 85 , 87 , 796 , 66 , 9235 , 6960 , 66533 , 18923 , 35786 , 294055 , 5401363 , 5540281 , 43192732 , 92631790 , 206620863 , 212452707 , 9689084794 , 3012440030
n×2
41377250
n×3
62065875
n×4
82754500
n×5
103443125
n÷2
10344312.5
n÷3
6896208.3333333
n÷3
5172156.25
n÷5
4137725
n2
428019204390625
n3
8.855128812436E+21
n4
1.8320043932718E+29
n5
3.7901651890754E+36
2 √n
4548.4750191685
3 √n
274.522034765
4 √n
67.442382958852
5 √n
29.050012629769
1 , 5 , 25 , 31 , 95 , 155 , 281 , 475 , 775 , 1405 , 2375 , 2945 , 7025 , 8711 , 14725 , 26695 , 43555 , 73625 , 133475 , 217775 , 667375 , 827545 , 4137725 , 20688625
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20688624
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20688625 can be divided by 24 positive divisors.
The sum of these divisors (counting 20688625) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001110111010111011110001
3
Ternary
1102221002110101
4
Quaternary
1032322323301
5
Quinary
20244014000
6
Senary
2015232401
8
Octal
116727361
10
Decimal
20688625
12
Duodecimal
6b18701
16
Hexadecimal
13baef1
20
Vigesimal
6961b5
36
Base36
cbfg1
md5
4d3f84d6d4990b598551038dcf966fbb
sha1
28805ba3a231bf2e3cdf5926e107f2ae5f1d5d58
sha256
96092d2bc9a9e6f8ba6b883f9d808281911f39533ceaf1915d57898baaad0de1
sha512
3e218dac47a82f94976e87c47de9d52e870ce848493a126a005afdf08eb0bb9b3e672ee62b8778212bb5c315e4afb6e3809d10ca88623c3421fb8cba84eb4c16
ripemd-160
89a38492ece1b1241d84e308e4f0af35871ac80b
Diameter
41377250
Circumference
129990464.62575
Area
1.3446619881089E+15
Volume
3.7092276831654E+22
Surface area
5.3786479524357E+15
Circumference
129990464.62575
Perimeter
82754500
Area
428019204390625
Diagonal
29258134.061851
Surface area
2568115226343750
Volume
8.855128812436E+21
Space diagonal
35833749.63874
Perimeter
62065875
Area
1.8533775215494E+14
Altitude
17916874.81937
Surface area
1.8533775215494E+14
Volume
1.0435869385923E+21
Height
9752711.3539504