21504393 is an odd 8-digits composite number following 21504392
and preceding 21504394 . In scientific notation, it is written as 2.1504393 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 14336244 positive integers (up to 21504393) that are relatively prime to 21504393.
21504393 has 8 divisors, whose sum is 31858400
The reverse of 21504393 is 39340512
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million five hundred four thousand three hundred ninety-three
Scientific notation
2.1504393 × 10^7
Engineering notation
2.1504393 × 10^6
Prime Factorization
3 × 9 × 796459
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21504393
Product of the distinct prime numbers
The prime factorization of 21504393 is 3 × 9 × 796459.
Since it has a total of 3 prime factors.
7 , 4 , 36 , 72 , 143 , 354 , 7816 , 3023 , 86795 , 91017 , 838546 , 750333 , 2652863 , 5391784 , 41124208 , 8413617 , 770888419 , 946273762 , 4860031919 , 8584364759
n×2
43008786
n×3
64513179
n×4
86017572
n×5
107521965
n÷2
10752196.5
n÷3
7168131
n÷3
5376098.25
n÷5
4300878.6
n2
462438918298449
n3
9.9444682375847E+21
n4
2.1384975315704E+29
n5
4.598709134842E+36
2 √n
4637.2829329253
3 √n
278.08382562632
4 √n
68.09759858413
5 √n
29.275575261678
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21504392
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21504393 can be divided by 8 positive divisors.
The sum of these divisors (counting 21504393) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010000010000110001001
3
Ternary
1111110112111000
4
Quaternary
1102002012021
5
Quinary
21001120033
6
Senary
2044525213
8
Octal
122020611
10
Decimal
21504393
12
Duodecimal
7250809
16
Hexadecimal
1482189
20
Vigesimal
6e80jd
36
Base36
csww9
md5
a969f0dec0f0a0c75432a1d18a3df11e
sha1
8a1631355b2cea3da20b9a92286d4155dae09686
sha256
4a0e5a141123d1dca5b4129a2a4b53dcf580891bbb926909681b13cb96c8f642
sha512
557043fd84c61fc27b281c3e4b2be43f6b0456e8fc21f3980f3b8ea2379e3dfbb83691238ec967bb328b59c3db0a1a9d289faa3a60aabe93b806f24ad6282108
ripemd-160
52d8129adc321db55988404e5f9f0fac5fb0dea1
Diameter
43008786
Circumference
135116086.13742
Area
1.4527947084604E+15
Volume
4.1655291145404E+22
Surface area
5.8111788338417E+15
Circumference
135116086.13742
Perimeter
86017572
Area
462438918298449
Diagonal
30411804.231201
Surface area
2774633509790694
Volume
9.9444682375847E+21
Space diagonal
37246701.261929
Perimeter
64513179
Area
2.0024192547253E+14
Altitude
18623350.630964
Surface area
2.0024192547253E+14
Volume
1.1719668210151E+21
Height
10137268.077067