221708 is an even 6-digits composite number following 221707
and preceding 221709 . In scientific notation, it is written as 2.21708 × 10^5.
The sum of its digits is 20. It has a total of 4 prime factors and 12 positive divisors.
There are 108192 positive integers (up to 221708) that are relatively prime to 221708.
221708 has 12 divisors, whose sum is 397320
The reverse of 221708 is 807122
Previous prime number is 43
Is Prime? no
Number parity even
Number length 6
Sum of Digits 20
Digital Root 2
Name
two hundred twenty-one thousand seven hundred eight
Scientific notation
2.21708 × 10^5
Engineering notation
2.21708 × 10^3
Prime Factorization
2 × 2 × 43 × 1289
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
110854
Product of the distinct prime numbers
The prime factorization of 221708 is 2 × 2 × 43 × 1289.
Since it has a total of 4 prime factors.
2 , 9 , 97 , 74 , 13 , 406 , 4057 , 8426 , 10372 , 85556 , 976316 , 177250 , 2354368 , 1332480 , 74191237 , 1039734 , 898377413 , 171054037 , 7343506880 , 9168992990
n×2
443416
n×3
665124
n×4
886832
n×5
1108540
n÷2
110854
n÷3
73902.666666667
n÷3
55427
n÷5
44341.6
n2
49154437264
n3
10897931976926912
n4
2.4161587027405E+21
n5
5.3568171366719E+26
2 √n
470.85878987229
3 √n
60.523930155035
4 √n
21.699280860717
5 √n
11.726172343079
1 , 2 , 4 , 43 , 86 , 172 , 1289 , 2578 , 5156 , 55427 , 110854 , 221708
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-221707
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221708 can be divided by 12 positive divisors.
The sum of these divisors (counting 221708) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
110110001000001100
3
Ternary
102021010102
4
Quaternary
312020030
5
Quinary
24043313
6
Senary
4430232
8
Octal
661014
10
Decimal
221708
12
Duodecimal
a8378
16
Hexadecimal
3620c
20
Vigesimal
17e58
36
Base36
4r2k
md5
f62677bed19212fb8a159dc71049f76b
sha1
a924da2eefc5d3de77a14e418e564a2f67d0996d
sha256
9febca6c2df79d4c816d51407da78c26ad66a240c8ca090694790e454da7f6a8
sha512
07488413ae4ee0491f909c8af10c17c77018ef8ec97726c1d1591bbd8dcea82bb6350ffd7bf4ee0297006e8e2e04a0953f51f74f612f25b47435cb3472bcbfad
ripemd-160
86d25b0ff5e9c8a39be7679bed8524df3e4aeb68
Diameter
443416
Circumference
1393032.4480842
Area
154423218999.92
Volume
4.564915071738E+16
Surface area
617692875999.69
Circumference
1393032.4480842
Perimeter
886832
Area
49154437264
Diagonal
313542.46048661
Surface area
294926623584
Volume
10897931976926912
Space diagonal
384009.52044448
Perimeter
665124
Area
21284495689.676
Altitude
192004.76022224
Surface area
21284495689.676
Volume
1.2843336002991E+15
Height
104514.15349554