20688750 is an even 8-digits composite number following 20688749
and preceding 20688751 . In scientific notation, it is written as 2.0688750 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors.
There are 5508000 positive integers (up to 20688750) that are relatively prime to 20688750.
20688750 has 32 divisors, whose sum is 51640992
The reverse of 20688750 is 05788602
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million six hundred eighty-eight thousand seven hundred fifty
Scientific notation
2.0688750 × 10^7
Engineering notation
2.0688750 × 10^6
Prime Factorization
2 × 27585 × 25 × 5 × 3
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20688750
Product of the distinct prime numbers
The prime factorization of 20688750 is 2 × 27585 × 25 × 5 × 3.
Since it has a total of 5 prime factors.
9 , 10 , 67 , 44 , 248 , 457 , 4856 , 7878 , 45414 , 87818 , 978475 , 399123 , 2896263 , 2912963 , 92327321 , 98254315 , 10604723 , 122944836 , 533629406 , 8686530037
n×2
41377500
n×3
62066250
n×4
82755000
n×5
103443750
n÷2
10344375
n÷3
6896250
n÷3
5172187.5
n÷5
4137750
n2
428024376562500
n3
8.8552893206074E+21
n4
1.8320486693172E+29
n5
3.7902796907336E+36
2 √n
4548.4887600169
3 √n
274.52258764829
4 √n
67.442484829793
5 √n
29.050047733531
1 , 2 , 3 , 5 , 6 , 10 , 15 , 25 , 30 , 50 , 75 , 125 , 150 , 250 , 375 , 750 , 27585 , 55170 , 82755 , 137925 , 165510 , 275850 , 413775 , 689625 , 827550 , 1379250 , 2068875 , 3448125 , 4137750 , 6896250 , 10344375 , 20688750
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20688749
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20688750 can be divided by 32 positive divisors.
The sum of these divisors (counting 20688750) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001110111010111101101110
3
Ternary
1102221002122000
4
Quaternary
1032322331232
5
Quinary
20244020000
6
Senary
2015233130
8
Octal
116727556
10
Decimal
20688750
12
Duodecimal
6b187a6
16
Hexadecimal
13baf6e
20
Vigesimal
6961ha
36
Base36
cbfji
md5
5351212fa6f3de99d2c7f3eed83d9953
sha1
7b02f09f779ece799dee9b9be726691ca3109e40
sha256
6382613f35a0508c81d12fbd771ff0494391664b65bcd60e694cb00053f93308
sha512
218518d1e89d91ce9bf89a46fb8d08ebdaf9d58025e3879912e67459908c5209ea0e5d3873f213f826181addcfaffbf08898681a5d15528533c8443545fa252d
ripemd-160
fe59c5a1ab975af5b24a07a20a47e710d7e4f083
Diameter
41377500
Circumference
129991250.02391
Area
1.3446782369661E+15
Volume
3.709294916671E+22
Surface area
5.3787129478644E+15
Circumference
129991250.02391
Perimeter
82755000
Area
428024376562500
Diagonal
29258310.838546
Surface area
2568146259375000
Volume
8.8552893206074E+21
Space diagonal
35833966.145091
Perimeter
62066250
Area
1.8533999177106E+14
Altitude
17916983.072545
Surface area
1.8533999177106E+14
Volume
1.0436058546617E+21
Height
9752770.2795155