221821845 is an odd 9-digits composite number following 221821844
and preceding 221821846 . In scientific notation, it is written as 2.21821845 × 10^8.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 98661888 positive integers (up to 221821845) that are relatively prime to 221821845.
221821845 has 16 divisors, whose sum is 286403568
The reverse of 221821845 is 548128122
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 33
Digital Root 6
Name
two hundred twenty-one million eight hundred twenty-one thousand eight hundred forty-five
Scientific notation
2.21821845 × 10^8
Engineering notation
2.21821845 × 10^6
Prime Factorization
5 × 21 × 37 × 57097
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
221821845
Product of the distinct prime numbers
The prime factorization of 221821845 is 5 × 21 × 37 × 57097.
Since it has a total of 4 prime factors.
7 , 9 , 2 , 45 , 929 , 864 , 5696 , 4867 , 41753 , 19513 , 633124 , 586731 , 8027831 , 944495 , 22427946 , 30723546 , 133168358 , 229687726 , 9886691355 , 1073372376
n×2
443643690
n×3
665465535
n×4
887287380
n×5
1109109225
n÷2
110910922.5
n÷3
73940615
n÷3
55455461.25
n÷5
44364369
n2
49204930919204025
n3
1.0914728559595E+25
n4
2.4211252267636E+33
n5
5.3705846477675E+41
2 √n
14893.684735484
3 √n
605.3428787448
4 √n
122.03968508434
5 √n
46.687526174849
1 , 5 , 21 , 37 , 105 , 185 , 777 , 3885 , 57097 , 285485 , 1199037 , 2112589 , 5995185 , 10562945 , 44364369 , 221821845
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-221821844
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221821845 can be divided by 16 positive divisors.
The sum of these divisors (counting 221821845) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101001110001011101110010101
3
Ternary
120110101201100220
4
Quaternary
31032023232111
5
Quinary
423241244340
6
Senary
34002224553
8
Octal
1516135625
10
Decimal
221821845
12
Duodecimal
62355159
16
Hexadecimal
d38bb95
20
Vigesimal
3967ec5
36
Base36
3o2etx
md5
cc318520b8420784b2de78fd7c5c90a1
sha1
bf48cafc9b1e1027658ddb32178aef566027fbce
sha256
722230917d6ba028d5bb6be2762666c10394b57f6b1300a1c993154440647a0a
sha512
cb5a53f6cbe2c224146afa1730dc5fef66318e3e6031179dd8ebf5f2985cb888dcc36f1a306858e42406688bbecde5e2a9a854872946bdd78f31f8f54ab19a1b
ripemd-160
ae632797d7af07fb76edbe39bcf2580bc5d8b0cc
Diameter
443643690
Circumference
1393747757.3155
Area
1.5458184949616E+17
Volume
4.5719508078335E+25
Surface area
6.1832739798466E+17
Circumference
1393747757.3155
Perimeter
887287380
Area
49204930919204025
Diagonal
313703461.62962
Surface area
295229585515224150
Volume
1.0914728559595E+25
Space diagonal
384206705.76867
Perimeter
665465535
Area
2.1306360083745E+16
Altitude
192103352.88433
Surface area
2.1306360083745E+16
Volume
1.2863130965501E+24
Height
104567820.54321