21231005 is an odd 8-digits composite number following 21231004
and preceding 21231006 . In scientific notation, it is written as 2.1231005 × 10^7.
The sum of its digits is 14. It has a total of 4 prime factors and 16 positive divisors.
There are 16493568 positive integers (up to 21231005) that are relatively prime to 21231005.
21231005 has 16 divisors, whose sum is 26224560
The reverse of 21231005 is 50013212
Previous prime number is 113
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 14
Digital Root 5
Name
twenty-one million two hundred thirty-one thousand five
Scientific notation
2.1231005 × 10^7
Engineering notation
2.1231005 × 10^6
Prime Factorization
5 × 53 × 113 × 709
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21231005
Product of the distinct prime numbers
The prime factorization of 21231005 is 5 × 53 × 113 × 709.
Since it has a total of 4 prime factors.
4 , 6 , 98 , 5 , 620 , 589 , 7182 , 3684 , 80673 , 55176 , 387023 , 433361 , 8841376 , 5997712 , 74315903 , 99459850 , 829270569 , 715852323 , 969331709 , 2156177048
n×2
42462010
n×3
63693015
n×4
84924020
n×5
106155025
n÷2
10615502.5
n÷3
7077001.6666667
n÷3
5307751.25
n÷5
4246201
n2
450755573310025
n3
9.569993830723E+21
n4
2.0318058687005E+29
n5
4.313728055741E+36
2 √n
4607.7114710016
3 √n
276.90035818884
4 √n
67.880125743855
5 √n
29.200757018992
1 , 5 , 53 , 113 , 265 , 565 , 709 , 3545 , 5989 , 29945 , 37577 , 80117 , 187885 , 400585 , 4246201 , 21231005
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21231004
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21231005 can be divided by 16 positive divisors.
The sum of these divisors (counting 21231005) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000111111010110011101
3
Ternary
1110221122110112
4
Quaternary
1100333112131
5
Quinary
20413343010
6
Senary
2035015405
8
Octal
120772635
10
Decimal
21231005
12
Duodecimal
713a565
16
Hexadecimal
143f59d
20
Vigesimal
6cdha5
36
Base36
cn1y5
md5
e7701c3ddca7ac782f66fe7bc59ca4e8
sha1
c3b99ef2f34ed49dfadb59dae08d05045aa61278
sha256
9647b75ad6569b310e4162e6c0469d59b7abbc84841ce6f417cbb97798a3ea08
sha512
6e19695f32730eacfb59df6051df7ead92b1923e0727c8030cf530635375309989379788fd4a7696904a54414b690986f262833fcd93b2fcc4101916d07e232c
ripemd-160
50344181369ba521eecb66423410afd971e96370
Diameter
42462010
Circumference
133398338.67266
Area
1.4160903976754E+15
Volume
4.0086696417999E+22
Surface area
5.6643615907017E+15
Circumference
133398338.67266
Perimeter
84924020
Area
450755573310025
Diagonal
30025175.213811
Surface area
2704533439860150
Volume
9.569993830723E+21
Space diagonal
36773179.355749
Perimeter
63693015
Area
1.9518288869195E+14
Altitude
18386589.677874
Surface area
1.9518288869195E+14
Volume
1.1278345889363E+21
Height
10008391.737937