221821321 is an odd 9-digits composite number following 221821320
and preceding 221821322 . In scientific notation, it is written as 2.21821321 × 10^8.
The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors.
There are 207489600 positive integers (up to 221821321) that are relatively prime to 221821321.
221821321 has 8 divisors, whose sum is 236313504
The reverse of 221821321 is 123128122
Previous prime number is 163
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 22
Digital Root 4
Name
two hundred twenty-one million eight hundred twenty-one thousand three hundred twenty-one
Scientific notation
2.21821321 × 10^8
Engineering notation
2.21821321 × 10^6
Prime Factorization
17 × 163 × 80051
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
221821321
Product of the distinct prime numbers
The prime factorization of 221821321 is 17 × 163 × 80051.
Since it has a total of 3 prime factors.
6 , 10 , 50 , 56 , 277 , 808 , 4534 , 1201 , 49468 , 99314 , 731910 , 505847 , 475600 , 2188303 , 27120761 , 22885293 , 271323398 , 540830624 , 1890185854 , 2708904989
n×2
443642642
n×3
665463963
n×4
887285284
n×5
1109106605
n÷2
110910660.5
n÷3
73940440.333333
n÷3
55455330.25
n÷5
44364264.2
n2
49204698450185041
n3
1.0914651209627E+25
n4
2.4211023495736E+33
n5
5.3705212145863E+41
2 √n
14893.667144125
3 √n
605.34240208613
4 √n
122.03961301203
5 √n
46.68750411725
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-221821320
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221821321 can be divided by 8 positive divisors.
The sum of these divisors (counting 221821321) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101001110001011100110001001
3
Ternary
120110101200122111
4
Quaternary
31032023212021
5
Quinary
423241240241
6
Senary
34002222321
8
Octal
1516134611
10
Decimal
221821321
12
Duodecimal
623549a1
16
Hexadecimal
d38b989
20
Vigesimal
3967d61
36
Base36
3o2efd
md5
01431e5cba81b1ab6d66748fec1fe268
sha1
a50539ee43471bb25f220d0993d84447698f14e2
sha256
06cd93b7fc0d2464ac19d65dc14a42148d20be33de388c806599bac89e000616
sha512
0fec1c1e621747951881f2bd81c27e198f0500d3dcd28904ecbabfd8f0dbf3c5ccd614d19c6f2b232932255a2919d50c10b64eae2e3e6ac4e13009bc26356045
ripemd-160
56f402868eb363b60aca8dc908f7f566379af5f3
Diameter
443642642
Circumference
1393744464.9264
Area
1.545811191732E+17
Volume
4.5719184075544E+25
Surface area
6.1832447669281E+17
Circumference
1393744464.9264
Perimeter
887285284
Area
49204698450185041
Diagonal
313702720.58172
Surface area
295228190701110246
Volume
1.0914651209627E+25
Space diagonal
384205798.17405
Perimeter
665463963
Area
2.1306259421707E+16
Altitude
192102899.08702
Surface area
2.1306259421707E+16
Volume
1.2863039807688E+24
Height
104567573.52724