221618268 is an even 9-digits composite number following 221618267
and preceding 221618269 . In scientific notation, it is written as 2.21618268 × 10^8.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 73872648 positive integers (up to 221618268) that are relatively prime to 221618268.
221618268 has 12 divisors, whose sum is 392620592
The reverse of 221618268 is 862816122
Previous prime number is 81
Is Prime? no
Number parity even
Number length 9
Sum of Digits 36
Digital Root 9
Name
two hundred twenty-one million six hundred eighteen thousand two hundred sixty-eight
Scientific notation
2.21618268 × 10^8
Engineering notation
2.21618268 × 10^6
Prime Factorization
2 × 2 × 81 × 684007
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
110809134
Product of the distinct prime numbers
The prime factorization of 221618268 is 2 × 2 × 81 × 684007.
Since it has a total of 4 prime factors.
6 , 5 , 74 , 67 , 842 , 363 , 293 , 3353 , 56982 , 23986 , 727438 , 241763 , 4961679 , 3395379 , 77707213 , 52327295 , 587385157 , 552210640 , 9650734855 , 2166687387
n×2
443236536
n×3
664854804
n×4
886473072
n×5
1108091340
n÷2
110809134
n÷3
73872756
n÷3
55404567
n÷5
44323653.6
n2
49114656711319824
n3
1.0884705153777E+25
n4
2.4122495038708E+33
n5
5.345985570317E+41
2 √n
14886.848827069
3 √n
605.15763758763
4 √n
122.01167496215
5 √n
46.67895353175
1 , 2 , 4 , 81 , 162 , 324 , 684007 , 1368014 , 2736028 , 55404567 , 110809134 , 221618268
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
-221618267
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 221618268 can be divided by 12 positive divisors.
The sum of these divisors (counting 221618268) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101001101011010000001011100
3
Ternary
120110000101010000
4
Quaternary
31031122001130
5
Quinary
423213241033
6
Senary
33554014300
8
Octal
1515320134
10
Decimal
221618268
12
Duodecimal
62277390
16
Hexadecimal
d35a05c
20
Vigesimal
39525d8
36
Base36
3ny1r0
md5
cdf0849b5ecd5a00c96e888dc877c99e
sha1
5e1abb140ebaa3902970245e889120e345fd63a7
sha256
935b5b86aa79700623c8fd7cdefd9233c020eac05195b798fec46cde98012f86
sha512
56236055007c9120746f05738718741d76d71dfe39d83c54dc929235a5d02713e67221a4ccb4206e6fad8dec9bb264186bc4c39f2a7467423fdcba155cc78887
ripemd-160
760049a931a170197bc59daf460ced7be7e38fb9
Diameter
443236536
Circumference
1392468645.3002
Area
1.5429824470787E+17
Volume
4.559374633013E+25
Surface area
6.1719297883147E+17
Circumference
1392468645.3002
Perimeter
886473072
Area
49114656711319824
Diagonal
313415560.27524
Surface area
294687940267918944
Volume
1.0884705153777E+25
Space diagonal
383854100.06142
Perimeter
664854804
Area
2.1267270205077E+16
Altitude
191927050.03071
Surface area
2.1267270205077E+16
Volume
1.282774804242E+24
Height
104471853.42508