21031484 is an even 8-digits composite number following 21031483
and preceding 21031485 . In scientific notation, it is written as 2.1031484 × 10^7.
The sum of its digits is 23. It has a total of 4 prime factors and 12 positive divisors.
There are 10506288 positive integers (up to 21031484) that are relatively prime to 21031484.
21031484 has 12 divisors, whose sum is 36838200
The reverse of 21031484 is 48413012
Previous prime number is 2939
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-one million thirty-one thousand four hundred eighty-four
Scientific notation
2.1031484 × 10^7
Engineering notation
2.1031484 × 10^6
Prime Factorization
2 × 2 × 2939 × 1789
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10515742
Product of the distinct prime numbers
The prime factorization of 21031484 is 2 × 2 × 2939 × 1789.
Since it has a total of 4 prime factors.
5 , 9 , 65 , 68 , 278 , 137 , 1164 , 3168 , 71618 , 13133 , 692533 , 934217 , 4940480 , 398690 , 53070341 , 39772756 , 880864480 , 707531691 , 2687010166 , 2866351942
n×2
42062968
n×3
63094452
n×4
84125936
n×5
105157420
n÷2
10515742
n÷3
7010494.6666667
n÷3
5257871
n÷5
4206296.8
n2
442323319242256
n3
9.3027158114704E+21
n4
1.9564991874549E+29
n5
4.114808135697E+36
2 √n
4586.0095944078
3 √n
276.03022493329
4 √n
67.720082652104
5 √n
29.14566599161
1 , 2 , 4 , 1789 , 2939 , 3578 , 5878 , 7156 , 11756 , 5257871 , 10515742 , 21031484
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21031483
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21031484 can be divided by 12 positive divisors.
The sum of these divisors (counting 21031484) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000001110101000111100
3
Ternary
1110120111202212
4
Quaternary
1100032220330
5
Quinary
20341001414
6
Senary
2030435552
8
Octal
120165074
10
Decimal
21031484
12
Duodecimal
7062bb8
16
Hexadecimal
140ea3c
20
Vigesimal
6b8ie4
36
Base36
cirzw
md5
2375ac1f51889449f369aabdb7651ec2
sha1
128c43d359906f4f483df3eb35aca264c07891d2
sha256
3efb807db83c21d02f693e9b7d399082c7d701554a269b5fc4bf23638da93964
sha512
edf5f010bf293ce8d02b707ec68ffeba4dea4e441dae327ab702974573bde8bec7dae4d4e625f988fc2c7c6be9a52ef0dd6f9dddddc0bd8ad562cd552674040f
ripemd-160
9e3d575534d66b16bb8bf95f0c6785d55b7e10d0
Diameter
42062968
Circumference
132144711.25698
Area
1.3895996902429E+15
Volume
3.8967124868999E+22
Surface area
5.5583987609717E+15
Circumference
132144711.25698
Perimeter
84125936
Area
442323319242256
Diagonal
29743009.909633
Surface area
2653939915453536
Volume
9.3027158114704E+21
Space diagonal
36427598.846572
Perimeter
63094452
Area
1.9153161557502E+14
Altitude
18213799.423286
Surface area
1.9153161557502E+14
Volume
1.0963355722903E+21
Height
9914336.6365443