21004784 is an even 8-digits composite number following 21004783
and preceding 21004785 . In scientific notation, it is written as 2.1004784 × 10^7.
The sum of its digits is 26. It has a total of 6 prime factors and 20 positive divisors.
There are 10418688 positive integers (up to 21004784) that are relatively prime to 21004784.
21004784 has 20 divisors, whose sum is 41021184
The reverse of 21004784 is 48740012
Previous prime number is 127
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million four thousand seven hundred eighty-four
Scientific notation
2.1004784 × 10^7
Engineering notation
2.1004784 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 127 × 10337
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2625598
Product of the distinct prime numbers
The prime factorization of 21004784 is 2 × 2 × 2 × 2 × 127 × 10337.
Since it has a total of 6 prime factors.
1 , 2 , 97 , 83 , 882 , 716 , 936 , 7850 , 51412 , 34835 , 330743 , 844635 , 4876600 , 2253735 , 44258865 , 68089799 , 659853511 , 334503572 , 7807405329 , 413652788
n×2
42009568
n×3
63014352
n×4
84019136
n×5
105023920
n÷2
10502392
n÷3
7001594.6666667
n÷3
5251196
n÷5
4200956.8
n2
441200950886656
n3
9.2673306739688E+21
n4
1.9465827906329E+29
n5
4.0887551055361E+36
2 √n
4583.0976424248
3 √n
275.91336635418
4 √n
67.698579323534
5 √n
29.138261999047
1 , 2 , 4 , 8 , 16 , 127 , 254 , 508 , 1016 , 2032 , 10337 , 20674 , 41348 , 82696 , 165392 , 1312799 , 2625598 , 5251196 , 10502392 , 21004784
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21004783
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21004784 can be divided by 20 positive divisors.
The sum of these divisors (counting 21004784) is 1, the average is 0.05.
Base
System
Value
2
Binary
1010000001000000111110000
3
Ternary
1110112011010222
4
Quaternary
1100020013300
5
Quinary
20334123114
6
Senary
2030112212
8
Octal
120100760
10
Decimal
21004784
12
Duodecimal
704b668
16
Hexadecimal
14081f0
20
Vigesimal
6b5bj4
36
Base36
ci7e8
md5
e8cf6326100cf4651e8d1bbfd4c9e3ed
sha1
9b9b5ce237450c03d7cf79849b44cce77fd51bfc
sha256
98d5d1fb00d5fc6e3574e525ecf3c6760d798b419b0cd7e1e81fb06b0fb1cec8
sha512
e42d2ba606d2de65f8acfb1bc491da072acff8a27b598ad2de3fd2c7969cc4ddeebf396e68b128bf05bfc7ae8bfb2c48f76bfcdd0d629d1f994fffcdf98cdcd3
ripemd-160
03f56a580c46481671c0d7ffac0b08812f50daa5
Diameter
42009568
Circumference
131976950.20928
Area
1.3860736660623E+15
Volume
3.8818903951637E+22
Surface area
5.5442946642494E+15
Circumference
131976950.20928
Perimeter
84019136
Area
441200950886656
Diagonal
29705250.407517
Surface area
2647205705319936
Volume
9.2673306739688E+21
Space diagonal
36381353.09001
Perimeter
63014352
Area
1.9104561582085E+14
Altitude
18190676.545005
Surface area
1.9104561582085E+14
Volume
1.0921653938436E+21
Height
9901750.1358391