21004285 is an odd 8-digits composite number following 21004284
and preceding 21004286 . In scientific notation, it is written as 2.1004285 × 10^7.
The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors.
There are 16566480 positive integers (up to 21004285) that are relatively prime to 21004285.
21004285 has 8 divisors, whose sum is 25560576
The reverse of 21004285 is 58240012
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty-one million four thousand two hundred eighty-five
Scientific notation
2.1004285 × 10^7
Engineering notation
2.1004285 × 10^6
Prime Factorization
5 × 71 × 59167
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21004285
Product of the distinct prime numbers
The prime factorization of 21004285 is 5 × 71 × 59167.
Since it has a total of 3 prime factors.
10 , 7 , 40 , 39 , 199 , 844 , 5543 , 62 , 30774 , 2675 , 88580 , 424634 , 4532772 , 9648663 , 88487721 , 10465947 , 998133031 , 893703625 , 6953484566 , 6140423340
n×2
42008570
n×3
63012855
n×4
84017140
n×5
105021425
n÷2
10502142.5
n÷3
7001428.3333333
n÷3
5251071.25
n÷5
4200857
n2
441179988361225
n3
9.2666702118359E+21
n4
1.9463978213041E+29
n5
4.0882694562051E+36
2 √n
4583.0432029384
3 √n
275.91118142558
4 √n
67.698177249749
5 √n
29.138123553149
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
-21004284
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 21004285 can be divided by 8 positive divisors.
The sum of these divisors (counting 21004285) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000111111111111101
3
Ternary
1110112010110111
4
Quaternary
1100013333331
5
Quinary
20334114120
6
Senary
2030110021
8
Octal
120077775
10
Decimal
21004285
12
Duodecimal
704b311
16
Hexadecimal
1407ffd
20
Vigesimal
6b5ae5
36
Base36
ci70d
md5
06f844892d1c287a69ed963d07d409de
sha1
33c902d547e056b0a08b37be6c7bbefeafd9eb7e
sha256
df093af6cc13f21cde7c15b45905966b2b7fad74b8877f504ffcbe9675da8ea1
sha512
bbf43ba81f96b92cd5b6d5dd22f6fb9f93b91c14409b9e1eabdec94ea574137c7227e8b58eca74a356c8583f732a686dedfca1d57199d7e2aa18725ccfb9a8d7
ripemd-160
4c6d327b49817764b73f8d0652c0d88e9bcb6259
Diameter
42008570
Circumference
131973814.89981
Area
1.3860078103465E+15
Volume
3.8816137414324E+22
Surface area
5.5440312413858E+15
Circumference
131973814.89981
Perimeter
84017140
Area
441179988361225
Diagonal
29704544.71495
Surface area
2647079930167350
Volume
9.2666702118359E+21
Space diagonal
36380488.796657
Perimeter
63012855
Area
1.9103653878107E+14
Altitude
18190244.398328
Surface area
1.9103653878107E+14
Volume
1.0920875576348E+21
Height
9901514.9049833