221472 is an even 6-digits composite number following 221471
and preceding 221473 . In scientific notation, it is written as 2.21472 × 10^5.
The sum of its digits is 18. It has a total of 8 prime factors and 36 positive divisors.
There are 73728 positive integers (up to 221472) that are relatively prime to 221472.
221472 has 36 divisors, whose sum is 630630
The reverse of 221472 is 274122
Previous prime number is 3
Is Prime? no
Number parity even
Number length 6
Sum of Digits 18
Digital Root 9
Name
two hundred twenty-one thousand four hundred seventy-two
Scientific notation
2.21472 × 10^5
Engineering notation
2.21472 × 10^3
Prime Factorization
2 × 2 × 2 × 2 × 2 × 3 × 3 × 769
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
4614
Product of the distinct prime numbers
The prime factorization of 221472 is 2 × 2 × 2 × 2 × 2 × 3 × 3 × 769.
Since it has a total of 8 prime factors.
8 , 1 , 2 , 96 , 995 , 403 , 9371 , 8938 , 58463 , 88047 , 914606 , 655664 , 4592959 , 8095931 , 43690621 , 11340773 , 319866776 , 107239945 , 8352440504 , 8843045097
n×2
442944
n×3
664416
n×4
885888
n×5
1107360
n÷2
110736
n÷3
73824
n÷3
55368
n÷5
44294.4
n2
49049846784
n3
10863167666946048
n4
2.4058874695339E+21
n5
5.3283670965261E+26
2 √n
470.60811722706
3 √n
60.502447365879
4 √n
21.693504032937
5 √n
11.723674863751
1 , 2 , 3 , 4 , 6 , 8 , 9 , 12 , 16 , 18 , 24 , 32 , 36 , 48 , 72 , 96 , 144 , 288 , 769 , 1538 , 2307 , 3076 , 4614 , 6152 , 6921 , 9228 , 12304 , 13842 , 18456 , 24608 , 27684 , 36912 , 55368 , 73824 , 110736 , 221472
36 divisors
τ
Total Divisors
36
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-221471
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.027777777777778
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
36
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221472 can be divided by 36 positive divisors.
The sum of these divisors (counting 221472) is 1, the average is 0.027777777777778.
Base
System
Value
2
Binary
110110000100100000
3
Ternary
102020210200
4
Quaternary
312010200
5
Quinary
24041342
6
Senary
4425200
8
Octal
660440
10
Decimal
221472
12
Duodecimal
a8200
16
Hexadecimal
36120
20
Vigesimal
17ddc
36
Base36
4qw0
md5
1346eb6f516165e3981f99fc1350b176
sha1
eed9439aa2b5005ff16a58f671cc1e3cfe61e0c0
sha256
e5c3e6a9035f533f3dc7e811143cee5287f592f555169452248056102d2a57ba
sha512
ca204d9e7dc4bf81711a3fea40576c878edab0a7cb1d35202b576baae463b60315052e1bac3d512ae9dc409573ef22b271d675cb3bf5c047b20f3b019f878787
ripemd-160
6e863fdad111c86fc510eb9d16c024eebddc2708
Diameter
442944
Circumference
1391549.6163517
Area
154094638316.32
Volume
4.5503530316256E+16
Surface area
616378553265.28
Circumference
1391549.6163517
Perimeter
885888
Area
49049846784
Diagonal
313208.70608589
Surface area
294299080704
Volume
10863167666946048
Space diagonal
383600.75645389
Perimeter
664416
Area
21239206683.339
Altitude
191800.37822695
Surface area
21239206683.339
Volume
1.2802365870773E+15
Height
104402.90202863