16221 is an odd 5-digits composite number following 16220
and preceding 16222 . In scientific notation, it is written as 1.6221 × 10^4.
The sum of its digits is 12. It has a total of 2 prime factors and 4 positive divisors.
There are 10812 positive integers (up to 16221) that are relatively prime to 16221.
16221 has 4 divisors, whose sum is 21632
The reverse of 16221 is 12261
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 12
Digital Root 3
Name
sixteen thousand two hundred twenty-one
Scientific notation
1.6221 × 10^4
Engineering notation
1.6221 × 10^3
Prime Factorization
3 × 5407
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
16221
Product of the distinct prime numbers
The prime factorization of 16221 is 3 × 5407.
Since it has a total of 2 prime factors.
8 , 2 , 94 , 54 , 385 , 321 , 497 , 4248 , 93796 , 51281 , 737922 , 218226 , 7364631 , 3508200 , 84718426 , 94974419 , 822489923 , 485530819 , 4997077883 , 7020772352
n×2
32442
n×3
48663
n×4
64884
n×5
81105
n÷2
8110.5
n÷3
5407
n÷3
4055.25
n÷5
3244.2
n2
263120841
n3
4268083161861
n4
69232576968547281
n5
1.1230216310068E+21
2 √n
127.36168968728
3 √n
25.313908624551
4 √n
11.285463645207
5 √n
6.9504916328195
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
-16220
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 16221 can be divided by 4 positive divisors.
The sum of these divisors (counting 16221) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111101011101
3
Ternary
211020210
4
Quaternary
3331131
5
Quinary
1004341
6
Senary
203033
8
Octal
37535
10
Decimal
16221
12
Duodecimal
9479
16
Hexadecimal
3f5d
20
Vigesimal
20b1
36
Base36
cil
md5
02fcf87d7e0a9c73d5cb511f8bae4ba4
sha1
d13ce00c32cfae88cd61006123e82b5c3d9a9cc8
sha256
ffca1716a06b8c84ea96f563518b54788ebda45ca30d4d1350a87b272b5717d0
sha512
ff93e73b28b562fb82b58c8e09a291a4791131e9509000dc211404f5fd9e876b1f1a3d83284032ba4fa488dec96469e861ebd108eb48f9610f06063c49b4e86a
ripemd-160
dd59fe2d600bcc015b620a91ee438b9ffdd75726
Diameter
32442
Circumference
101919.54886776
Area
826618501.09197
Volume
17878104941617
Surface area
3306474004.3679
Circumference
101919.54886776
Perimeter
64884
Area
263120841
Diagonal
22939.958195254
Surface area
1578725046
Volume
4268083161861
Space diagonal
28095.596149575
Perimeter
48663
Area
113934666.28556
Altitude
14047.798074787
Surface area
113934666.28556
Volume
502998424403.34
Height
7646.6527317513