221661569 is an odd 9-digits composite number following 221661568
and preceding 221661570 . In scientific notation, it is written as 2.21661569 × 10^8.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 219049600 positive integers (up to 221661569) that are relatively prime to 221661569.
221661569 has 8 divisors, whose sum is 224282088
The reverse of 221661569 is 965166122
Previous prime number is 617
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
two hundred twenty-one million six hundred sixty-one thousand five hundred sixty-nine
Scientific notation
2.21661569 × 10^8
Engineering notation
2.21661569 × 10^6
Prime Factorization
101 × 617 × 3557
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
221661569
Product of the distinct prime numbers
The prime factorization of 221661569 is 101 × 617 × 3557.
Since it has a total of 3 prime factors.
2 , 2 , 65 , 55 , 378 , 76 , 7647 , 1438 , 42426 , 28088 , 581426 , 343336 , 9121714 , 8106012 , 47362612 , 20951837 , 12223956 , 452885869 , 4674903777 , 2875044867
n×2
443323138
n×3
664984707
n×4
886646276
n×5
1108307845
n÷2
110830784.5
n÷3
73887189.666667
n÷3
55415392.25
n÷5
44332313.8
n2
49133851171541761
n3
1.0891086541696E+25
n4
2.4141353309472E+33
n5
5.3512102523609E+41
2 √n
14888.303093368
3 √n
605.19704803375
4 √n
122.01763435409
5 √n
46.680777467507
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
-221661568
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 221661569 can be divided by 8 positive divisors.
The sum of these divisors (counting 221661569) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101001101100100100110000001
3
Ternary
120110002120111202
4
Quaternary
31031210212001
5
Quinary
423221132234
6
Senary
33554550545
8
Octal
1515444601
10
Decimal
221661569
12
Duodecimal
62298455
16
Hexadecimal
d364981
20
Vigesimal
3957di9
36
Base36
3nyz5t
md5
46bb6335be366730804946f22dad7425
sha1
06478ee97ddf947cd4e7c006e3c7c1179d0e5af6
sha256
4af00414d1761016d27083b22dd91871679291c5479b9b33a6f9a0688635dca2
sha512
bb12efb225b5f33debf1a5b58035b55bdd66a24506a70d421fdef81bab8076f912e5cc5167962951b478a15d4fcfbe41798ba6293d8f5ceb178dd7f418a3d6b0
ripemd-160
8739af5d1c97cc0783b92b3db4df282947a73e65
Diameter
443323138
Circumference
1392740713.5072
Area
1.5435854588309E+17
Volume
4.5620476625339E+25
Surface area
6.1743418353236E+17
Circumference
1392740713.5072
Perimeter
886646276
Area
49133851171541761
Diagonal
313476797.1367
Surface area
294803107029250566
Volume
1.0891086541696E+25
Space diagonal
383929099.59343
Perimeter
664984707
Area
2.1275581650159E+16
Altitude
191964549.79672
Surface area
2.1275581650159E+16
Volume
1.2835268580205E+24
Height
104492265.71223