20721331 is an odd 8-digits composite number following 20721330
and preceding 20721332 . In scientific notation, it is written as 2.0721331 × 10^7.
The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors.
There are 20231328 positive integers (up to 20721331) that are relatively prime to 20721331.
20721331 has 4 divisors, whose sum is 20732832
The reverse of 20721331 is 13312702
Previous prime number is 9263
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million seven hundred twenty-one thousand three hundred thirty-one
Scientific notation
2.0721331 × 10^7
Engineering notation
2.0721331 × 10^6
Prime Factorization
9263 × 2237
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20721331
Product of the distinct prime numbers
The prime factorization of 20721331 is 9263 × 2237.
Since it has a total of 2 prime factors.
7 , 6 , 9 , 50 , 842 , 463 , 7014 , 3653 , 71161 , 92729 , 600558 , 641633 , 169114 , 5871465 , 33039693 , 4005121 , 642836470 , 924674237 , 10697630 , 7261750457
n×2
41442662
n×3
62163993
n×4
82885324
n×5
103606655
n÷2
10360665.5
n÷3
6907110.3333333
n÷3
5180332.75
n÷5
4144266.2
n2
429373558411561
n3
8.8971916264938E+21
n4
1.8436165266301E+29
n5
3.8202188285372E+36
2 √n
4552.068870305
3 √n
274.66661970051
4 √n
67.469021560306
5 √n
29.059191678477
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20721330
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20721331 can be divided by 4 positive divisors.
The sum of these divisors (counting 20721331) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111000010111010110011
3
Ternary
1102222202022201
4
Quaternary
1033002322303
5
Quinary
20301040311
6
Senary
2020044031
8
Octal
117027263
10
Decimal
20721331
12
Duodecimal
6b33617
16
Hexadecimal
13c2eb3
20
Vigesimal
69a36b
36
Base36
cc4oj
md5
95574d15859fda97bd63f6ef7adb9cfc
sha1
b98b3da79dbc89aa83c2c245c136745f0bba12a9
sha256
eb88c86823fa02871fe27cd89a956470faa0e4d425af6d0c903fc4023524a87e
sha512
5af63d37b5eabd3ccfc9308709b9fbfb41075d6bba535f05bea2808d94cfce2ba7ee139dadad2dc1661aee782781c1513f8dcbe9f5e9454868f7d5289710d961
ripemd-160
bdd71bbd91a395d684649882e044977b712b547d
Diameter
41442662
Circumference
130195962.4844
Area
1.3489168167515E+15
Volume
3.7268469135165E+22
Surface area
5.3956672670059E+15
Circumference
130195962.4844
Perimeter
82885324
Area
429373558411561
Diagonal
29304387.330622
Surface area
2576241350469366
Volume
8.8971916264938E+21
Space diagonal
35890398.092452
Perimeter
62163993
Area
1.8592420464887E+14
Altitude
17945199.046226
Surface area
1.8592420464887E+14
Volume
1.0485440887683E+21
Height
9768129.1102074