221210161 is an odd 9-digits composite number following 221210160
and preceding 221210162 . In scientific notation, it is written as 2.21210161 × 10^8.
The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors.
There are 215231472 positive integers (up to 221210161) that are relatively prime to 221210161.
221210161 has 4 divisors, whose sum is 227188852
The reverse of 221210161 is 161012122
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 16
Digital Root 7
Name
two hundred twenty-one million two hundred ten thousand one hundred sixty-one
Scientific notation
2.21210161 × 10^8
Engineering notation
2.21210161 × 10^6
Prime Factorization
37 × 5978653
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
221210161
Product of the distinct prime numbers
The prime factorization of 221210161 is 37 × 5978653.
Since it has a total of 2 prime factors.
9 , 7 , 36 , 49 , 679 , 467 , 5605 , 3615 , 85151 , 75881 , 758801 , 663873 , 3584365 , 3304317 , 51607074 , 40665420 , 995081147 , 393833867 , 5527410633 , 4092151641
n×2
442420322
n×3
663630483
n×4
884840644
n×5
1106050805
n÷2
110605080.5
n÷3
73736720.333333
n÷3
55302540.25
n÷5
44242032.2
n2
48933935329645921
n3
1.0824683712635E+25
n4
2.394530026846E+33
n5
5.2969437275793E+41
2 √n
14873.135547019
3 √n
604.78594617695
4 √n
121.95546542496
5 √n
46.661749123904
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-221210160
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221210161 can be divided by 4 positive divisors.
The sum of these divisors (counting 221210161) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101001011110110011000110001
3
Ternary
120102020122021221
4
Quaternary
31023312120301
5
Quinary
423112211121
6
Senary
33541145041
8
Octal
1513663061
10
Decimal
221210161
12
Duodecimal
620bb181
16
Hexadecimal
d2f6631
20
Vigesimal
392b581
36
Base36
3npaup
md5
577d8051420ea136c5b2048593dd4ed9
sha1
7ac228a7d6e9f9b4bebb3214c671873d1e86e4e6
sha256
47c2aa60a94162a105c76be2e29d8e5425619bcf73b0b9bcd2053871e5fb6c30
sha512
3cc7e494e957235e50ef9b7020399ebe59889b66502f2b82b14c7b96bfe7fa65c2d082789d8c3c65bb3e1d2243e2834e723a64e4a31acf3f1883d660e7884875
ripemd-160
fb44639977ec91a8abe3eaa0748dc1646952ca09
Diameter
442420322
Circumference
1389904433.394
Area
1.5373049174285E+17
Volume
4.5342329105394E+25
Surface area
6.1492196697141E+17
Circumference
1389904433.394
Perimeter
884840644
Area
48933935329645921
Diagonal
312838409.82094
Surface area
293603611977875526
Volume
1.0824683712635E+25
Space diagonal
383147238.00249
Perimeter
663630483
Area
2.1189015551309E+16
Altitude
191573619.00125
Surface area
2.1189015551309E+16
Volume
1.2757012095672E+24
Height
104279469.94031