221131251 is an odd 9-digits composite number following 221131250
and preceding 221131252 . In scientific notation, it is written as 2.21131251 × 10^8.
The sum of its digits is 18. It has a total of 5 prime factors and 24 positive divisors.
There are 133320000 positive integers (up to 221131251) that are relatively prime to 221131251.
221131251 has 24 divisors, whose sum is 271479600
The reverse of 221131251 is 152131122
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 18
Digital Root 9
Name
two hundred twenty-one million one hundred thirty-one thousand two hundred fifty-one
Scientific notation
2.21131251 × 10^8
Engineering notation
2.21131251 × 10^6
Prime Factorization
9 × 11 × 251 × 11 × 809
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20102841
Product of the distinct prime numbers
The prime factorization of 221131251 is 9 × 11 × 251 × 11 × 809.
Since it has a total of 5 prime factors.
2 , 4 , 36 , 27 , 353 , 129 , 8853 , 7850 , 61914 , 54388 , 427916 , 42771 , 8564783 , 5599755 , 38928741 , 83025629 , 924259776 , 381463671 , 1053891093 , 5137252017
n×2
442262502
n×3
663393753
n×4
884525004
n×5
1105656255
n÷2
110565625.5
n÷3
73710417
n÷3
55282812.75
n÷5
44226250.2
n2
48899030168825001
n3
1.0813103713919E+25
n4
2.3911151514517E+33
n5
5.2875028472556E+41
2 √n
14870.482540927
3 √n
604.71402462419
4 √n
121.94458799359
5 √n
46.6584196167
1 , 9 , 11 , 99 , 121 , 251 , 809 , 1089 , 2259 , 2761 , 7281 , 8899 , 24849 , 30371 , 80091 , 97889 , 203059 , 273339 , 881001 , 1827531 , 2233649 , 20102841 , 24570139 , 221131251
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-221131250
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221131251 can be divided by 24 positive divisors.
The sum of these divisors (counting 221131251) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101001011100011000111110011
3
Ternary
120102002122001100
4
Quaternary
31023203013303
5
Quinary
423102200001
6
Senary
33535335443
8
Octal
1513430763
10
Decimal
221131251
12
Duodecimal
62081583
16
Hexadecimal
d2e31f3
20
Vigesimal
392182b
36
Base36
3nnlyr
md5
ae6e2413f1039baed21bc1dd65d0b6e7
sha1
9caaf3f7dad3627619b0e588809ebaa72adac74e
sha256
2721ea89627c851ca758c5f5b79f884ca78ddfcffe92b99ae4698fa3acbdea62
sha512
0f7df789b79072d0b314283bcd0e26b0d97154218738d4afe21c7eef78e75da5d9cccece693e16ecb8dc7808a789dc9db8ccd41d0d23c67e9ce78d1a47ff1577
ripemd-160
b403673fa60ec2bf79845e01839618418b667f34
Diameter
442262502
Circumference
1389408627.2414
Area
1.5362083394605E+17
Volume
4.5293822920203E+25
Surface area
6.1448333578419E+17
Circumference
1389408627.2414
Perimeter
884525004
Area
48899030168825001
Diagonal
312726814.22873
Surface area
293394181012950006
Volume
1.0813103713919E+25
Space diagonal
383010561.87327
Perimeter
663393753
Area
2.1173901173312E+16
Altitude
191505280.93663
Surface area
2.1173901173312E+16
Volume
1.2743364936309E+24
Height
104242271.40958