20421750 is an even 8-digits composite number following 20421749
and preceding 20421751 . In scientific notation, it is written as 2.0421750 × 10^7.
The sum of its digits is 21. It has a total of 5 prime factors and 32 positive divisors.
There are 5356800 positive integers (up to 20421750) that are relatively prime to 20421750.
20421750 has 32 divisors, whose sum is 41846112
The reverse of 20421750 is 05712402
Previous prime number is 125
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million four hundred twenty-one thousand seven hundred fifty
Scientific notation
2.0421750 × 10^7
Engineering notation
2.0421750 × 10^6
Prime Factorization
2 × 3 × 73 × 125 × 373
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20421750
Product of the distinct prime numbers
The prime factorization of 20421750 is 2 × 3 × 73 × 125 × 373.
Since it has a total of 5 prime factors.
6 , 8 , 59 , 66 , 997 , 667 , 838 , 2260 , 22860 , 17690 , 771626 , 938861 , 9661204 , 7883437 , 35275148 , 64011179 , 778017238 , 60583547 , 2890869456 , 1606233765
n×2
40843500
n×3
61265250
n×4
81687000
n×5
102108750
n÷2
10210875
n÷3
6807250
n÷3
5105437.5
n÷5
4084350
n2
417047873062500
n3
8.5168474017141E+21
n4
1.7392892842596E+29
n5
3.5519330940827E+36
2 √n
4519.0430402907
3 √n
273.33651427325
4 √n
67.223827920543
5 √n
28.974676184126
1 , 2 , 3 , 6 , 73 , 125 , 146 , 219 , 250 , 373 , 375 , 438 , 746 , 750 , 1119 , 2238 , 9125 , 18250 , 27229 , 27375 , 46625 , 54458 , 54750 , 81687 , 93250 , 139875 , 163374 , 279750 , 3403625 , 6807250 , 10210875 , 20421750
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
-20421749
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 20421750 can be divided by 32 positive divisors.
The sum of these divisors (counting 20421750) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001101111001110001110110
3
Ternary
1102102112101010
4
Quaternary
1031321301312
5
Quinary
20211444000
6
Senary
2005413050
8
Octal
115716166
10
Decimal
20421750
12
Duodecimal
6a0a186
16
Hexadecimal
1379c76
20
Vigesimal
67ce7a
36
Base36
c5piu
md5
c2d3976df467acc4bec60d08c7296443
sha1
42b9cbcc8b114adb220c1f7ad8d23a71defbd816
sha256
bb2f1abfdbe9755f92d67efcb95d5318136ea3d8c29b849abb92a32733cddd36
sha512
42bd76409e7ca50674dbedeab894008aa3c2355d3c48d71ffdf474bed2952d311b7352d5ea05e1862046ad5f1fe8cad3764dd862493b3775e375b6014ed66a25
ripemd-160
2eddd7f90e8527c1a3bcbe29a9c6b055910329e7
Diameter
40843500
Circumference
128313639.54689
Area
1.3101945342084E+15
Volume
3.567528697196E+22
Surface area
5.2407781368336E+15
Circumference
128313639.54689
Perimeter
81687000
Area
417047873062500
Diagonal
28880715.817393
Surface area
2502287238375000
Volume
8.5168474017141E+21
Space diagonal
35371508.57947
Perimeter
61265250
Area
1.805870263332E+14
Altitude
17685754.289735
Surface area
1.805870263332E+14
Volume
1.0037200920138E+21
Height
9626905.2724643