221256 is an even 6-digits composite number following 221255
and preceding 221257 . In scientific notation, it is written as 2.21256 × 10^5.
The sum of its digits is 18. It has a total of 6 prime factors and 32 positive divisors.
There are 63072 positive integers (up to 221256) that are relatively prime to 221256.
221256 has 32 divisors, whose sum is 528000
The reverse of 221256 is 652122
Previous prime number is 7
Is Prime? no
Number parity even
Number length 6
Sum of Digits 18
Digital Root 9
Name
two hundred twenty-one thousand two hundred fifty-six
Scientific notation
2.21256 × 10^5
Engineering notation
2.21256 × 10^3
Prime Factorization
2 × 2 × 2 × 9 × 7 × 439
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
55314
Product of the distinct prime numbers
The prime factorization of 221256 is 2 × 2 × 2 × 9 × 7 × 439.
Since it has a total of 6 prime factors.
7 , 7 , 47 , 46 , 398 , 51 , 5952 , 3715 , 20522 , 81654 , 347747 , 976326 , 7165710 , 9332993 , 13882150 , 73395607 , 397311555 , 989656738 , 7954277939 , 4816525356
n×2
442512
n×3
663768
n×4
885024
n×5
1106280
n÷2
110628
n÷3
73752
n÷3
55314
n÷5
44251.2
n2
48954217536
n3
10831414355145216
n4
2.396515414562E+21
n5
5.3024341456433E+26
2 √n
470.37857094047
3 √n
60.482771771852
4 √n
21.688212718905
5 √n
11.721387168468
1 , 2 , 4 , 7 , 8 , 9 , 14 , 18 , 28 , 36 , 56 , 63 , 72 , 126 , 252 , 439 , 504 , 878 , 1756 , 3073 , 3512 , 3951 , 6146 , 7902 , 12292 , 15804 , 24584 , 27657 , 31608 , 55314 , 110628 , 221256
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-221255
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221256 can be divided by 32 positive divisors.
The sum of these divisors (counting 221256) is 1, the average is 0.03125.
Base
System
Value
2
Binary
110110000001001000
3
Ternary
102020111200
4
Quaternary
312001020
5
Quinary
24040011
6
Senary
4424200
8
Octal
660110
10
Decimal
221256
12
Duodecimal
a8060
16
Hexadecimal
36048
20
Vigesimal
17d2g
36
Base36
4qq0
md5
5c9249bf2b0d32c75c3e83c4a33a8c29
sha1
d22a498ec8e5652d0bc5cf3f6f20b12d07252e87
sha256
56045f5c1cb95ac8b3e0a2912daa5590d5b1240ff8876d01fea114ff833aeadb
sha512
d59834f02afc2778efc5d03cd3a0dc16e41c4407833dade811dfd31d9dfd08c208658275899d497c0bff0f8191845e7ed9fbb655b09408eef212dccb3cc0a796
ripemd-160
aca6912d8efc8d29a843d6a6183a7f41f9b929b4
Diameter
442512
Circumference
1390192.4483253
Area
153794210173.33
Volume
4.5370522354815E+16
Surface area
615176840693.34
Circumference
1390192.4483253
Perimeter
885024
Area
48954217536
Diagonal
312903.23595642
Surface area
293725305216
Volume
10831414355145216
Space diagonal
383226.63347946
Perimeter
663768
Area
21197798004.283
Altitude
191613.31673973
Surface area
21197798004.283
Volume
1.2764944233941E+15
Height
104301.07865214