21031396 is an even 8-digits composite number following 21031395
and preceding 21031397 . In scientific notation, it is written as 2.1031396 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 9 positive divisors.
There are 10511112 positive integers (up to 21031396) that are relatively prime to 21031396.
21031396 has 9 divisors, whose sum is 36821001
The reverse of 21031396 is 69313012
Previous prime number is 2293
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million thirty-one thousand three hundred ninety-six
Scientific notation
2.1031396 × 10^7
Engineering notation
2.1031396 × 10^6
Prime Factorization
2 × 2 × 2293 × 2293
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
4586
Product of the distinct prime numbers
The prime factorization of 21031396 is 2 × 2 × 2293 × 2293.
Since it has a total of 4 prime factors.
1 , 3 , 2 , 50 , 441 , 369 , 4995 , 6928 , 54966 , 91976 , 67324 , 344154 , 8588067 , 5578377 , 35188213 , 22035623 , 27361406 , 732666332 , 9865416493 , 8786995577
n×2
42062792
n×3
63094188
n×4
84125584
n×5
105156980
n÷2
10515698
n÷3
7010465.3333333
n÷3
5257849
n÷5
4206279.2
n2
442319617708816
n3
9.3025990386027E+21
n4
1.9564664421007E+29
n5
4.1147220504532E+36
2 √n
4586
3 √n
276.02983994392
4 √n
67.720011813348
5 √n
29.145641601292
9 divisors
τ
Total Divisors
9
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21031395
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.11111111111111
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
9
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21031396 can be divided by 9 positive divisors.
The sum of these divisors (counting 21031396) is 1, the average is 0.11111111111111.
Base
System
Value
2
Binary
1010000001110100111100100
3
Ternary
1110120111122121
4
Quaternary
1100032213210
5
Quinary
20341001041
6
Senary
2030435324
8
Octal
120164744
10
Decimal
21031396
12
Duodecimal
7062b44
16
Hexadecimal
140e9e4
20
Vigesimal
6b8i9g
36
Base36
cirxg
md5
fc41be66d2bbcfa40d46a5818c734773
sha1
d6b247a0d37403bf0a2dea060de3d4562a27d64f
sha256
cc54a0f1fa1e55d5cba1a826d8f10fa4247a1cd3085aacca6b08580b3b2dbfb4
sha512
d695796ded3efb0c45d4dec6c77b2dc03ee262c9f20e920fc12a5250d16399b2803f77b8aa4eda479d9a24e6af7b71a8e9b2ace0748af63fb29f52408f7b848e
ripemd-160
fe10f49eeccda5620d282ba20bd40355b118a8f5
Diameter
42062792
Circumference
132144158.33668
Area
1.3895880615327E+15
Volume
3.8966635731954E+22
Surface area
5.5583522461306E+15
Circumference
132144158.33668
Perimeter
84125584
Area
442319617708816
Diagonal
29742885.458839
Surface area
2653917706252896
Volume
9.3025990386027E+21
Space diagonal
36427446.426101
Perimeter
63094188
Area
1.9153001276403E+14
Altitude
18213723.21305
Surface area
1.9153001276403E+14
Volume
1.0963218104759E+21
Height
9914295.1529464