21000443 is an odd 8-digits composite number following 21000442
and preceding 21000444 . In scientific notation, it is written as 2.1000443 × 10^7.
The sum of its digits is 14. It has a total of 2 prime factors and 4 positive divisors.
There are 20952168 positive integers (up to 21000443) that are relatively prime to 21000443.
21000443 has 4 divisors, whose sum is 21048720
The reverse of 21000443 is 34400012
Previous prime number is 439
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 14
Digital Root 5
Name
twenty-one million four hundred forty-three
Scientific notation
2.1000443 × 10^7
Engineering notation
2.1000443 × 10^6
Prime Factorization
439 × 47837
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21000443
Product of the distinct prime numbers
The prime factorization of 21000443 is 439 × 47837.
Since it has a total of 2 prime factors.
6 , 10 , 81 , 55 , 495 , 197 , 2583 , 5453 , 82216 , 38194 , 777256 , 289797 , 4269676 , 6098667 , 29169576 , 7912842 , 205922830 , 215609845 , 6242523329 , 9762075616
n×2
42000886
n×3
63001329
n×4
84001772
n×5
105002215
n÷2
10500221.5
n÷3
7000147.6666667
n÷3
5250110.75
n÷5
4200088.6
n2
441018606196249
n3
9.2615861013638E+21
n4
1.9449741101128E+29
n5
4.08453179359E+36
2 √n
4582.6240299636
3 √n
275.89435762988
4 √n
67.695081283381
5 √n
29.137057514839
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21000442
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21000443 can be divided by 4 positive divisors.
The sum of these divisors (counting 21000443) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000000111000011111011
3
Ternary
1110111221012012
4
Quaternary
1100013003323
5
Quinary
20334003233
6
Senary
2030040135
8
Octal
120070373
10
Decimal
21000443
12
Duodecimal
704904b
16
Hexadecimal
14070fb
20
Vigesimal
6b5123
36
Base36
ci41n
md5
30d746569a05982d0dc3e78fc24191e5
sha1
e3ec0eeadb56a529f4e5e10ee58b5e16d6700920
sha256
755f04c8476e35974ac86e6e80c5995a1fbaa92ee906cc6971b8d2138f8eb78b
sha512
6c76b8e19a64c7a53472e3db6db74ebb17fdffda478c01e303c64f54e71e9368fe0fb9e8e03113ed49ad4bfb6d41793cdfbe3f3f3922d3738cb24eb305c57577
ripemd-160
3ad2c873f559881dc5c79f0c66ad7d215550b2d7
Diameter
42000886
Circumference
131949674.90186
Area
1.3855008133225E+15
Volume
3.8794841142178E+22
Surface area
5.5420032532902E+15
Circumference
131949674.90186
Perimeter
84001772
Area
441018606196249
Diagonal
29699111.306443
Surface area
2646111637177494
Volume
9.2615861013638E+21
Space diagonal
36373834.257454
Perimeter
63001329
Area
1.9096665825378E+14
Altitude
18186917.128727
Surface area
1.9096665825378E+14
Volume
1.0914883894696E+21
Height
9899703.7688144