221680 is an even 6-digits composite number following 221679
and preceding 221681 . In scientific notation, it is written as 2.21680 × 10^5.
The sum of its digits is 19. It has a total of 7 prime factors and 40 positive divisors.
There are 82944 positive integers (up to 221680) that are relatively prime to 221680.
221680 has 40 divisors, whose sum is 549072
The reverse of 221680 is 086122
Previous prime number is 17
Is Prime? no
Number parity even
Number length 6
Sum of Digits 19
Digital Root 1
Name
two hundred twenty-one thousand six hundred eighty
Scientific notation
2.21680 × 10^5
Engineering notation
2.21680 × 10^3
Prime Factorization
2 × 2 × 2 × 2 × 5 × 17 × 163
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
27710
Product of the distinct prime numbers
The prime factorization of 221680 is 2 × 2 × 2 × 2 × 5 × 17 × 163.
Since it has a total of 7 prime factors.
8 , 6 , 30 , 80 , 435 , 422 , 1227 , 7466 , 53055 , 88954 , 856457 , 361079 , 6554237 , 7195106 , 81813315 , 74966035 , 816768442 , 946815304 , 7923513804 , 1787168889
n×2
443360
n×3
665040
n×4
886720
n×5
1108400
n÷2
110840
n÷3
73893.333333333
n÷3
55420
n÷5
44336
n2
49142022400
n3
10893803525632000
n4
2.4149383655621E+21
n5
5.3534353687781E+26
2 √n
470.82905602777
3 √n
60.521382146858
4 √n
21.69859571557
5 √n
11.7258761432
1 , 2 , 4 , 5 , 8 , 10 , 16 , 17 , 20 , 34 , 40 , 68 , 80 , 85 , 136 , 163 , 170 , 272 , 326 , 340 , 652 , 680 , 815 , 1304 , 1360 , 1630 , 2608 , 2771 , 3260 , 5542 , 6520 , 11084 , 13040 , 13855 , 22168 , 27710 , 44336 , 55420 , 110840 , 221680
40 divisors
τ
Total Divisors
40
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-221679
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.025
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
40
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221680 can be divided by 40 positive divisors.
The sum of these divisors (counting 221680) is 1, the average is 0.025.
Base
System
Value
2
Binary
110110000111110000
3
Ternary
102021002101
4
Quaternary
312013300
5
Quinary
24043210
6
Senary
4430144
8
Octal
660760
10
Decimal
221680
12
Duodecimal
a8354
16
Hexadecimal
361f0
20
Vigesimal
17e40
36
Base36
4r1s
md5
3e941c3aa9d2b3feb124e3b527ea9de6
sha1
2c86c129fa678b173e376eac9bac1e4c3b70d741
sha256
f6bca30159ed87d88c5a6c3986a853ca3da0ede3ec8c71381dbf5186a12f7505
sha512
e1b3f1f6b1b3bb5d4b1e4a16541200cf482f51acd2f2504d5b1eea20a075a6de205f7a349e15c5a4c4dccb7ddf78ead784ce1eb9bc1b0556c356b1064723987f
ripemd-160
0937db0e7c7daee27ba79310ff8ecf013d829735
Diameter
443360
Circumference
1392856.5188956
Area
154384216554.39
Volume
4.5631857501035E+16
Surface area
617536866217.54
Circumference
1392856.5188956
Perimeter
886720
Area
49142022400
Diagonal
313502.86250687
Surface area
294852134400
Volume
10893803525632000
Space diagonal
383961.02302187
Perimeter
665040
Area
21279119895.872
Altitude
191980.51151093
Surface area
21279119895.872
Volume
1.2838470576481E+15
Height
104500.95416896