221286947 is an odd 9-digits composite number following 221286946
and preceding 221286948 . In scientific notation, it is written as 2.21286947 × 10^8.
The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors.
There are 187518240 positive integers (up to 221286947) that are relatively prime to 221286947.
221286947 has 16 divisors, whose sum is 255793152
The reverse of 221286947 is 749682122
Previous prime number is 157
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
two hundred twenty-one million two hundred eighty-six thousand nine hundred forty-seven
Scientific notation
2.21286947 × 10^8
Engineering notation
2.21286947 × 10^6
Prime Factorization
7 × 271 × 157 × 743
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
221286947
Product of the distinct prime numbers
The prime factorization of 221286947 is 7 × 271 × 157 × 743.
Since it has a total of 4 prime factors.
7 , 3 , 12 , 85 , 936 , 410 , 9085 , 4047 , 44653 , 15049 , 284438 , 378337 , 664104 , 3551440 , 90283341 , 37208127 , 204735456 , 113978489 , 4744501591 , 3412307195
n×2
442573894
n×3
663860841
n×4
885147788
n×5
1106434735
n÷2
110643473.5
n÷3
73762315.666667
n÷3
55321736.75
n÷5
44257389.4
n2
48967912912580809
n3
1.0835959949387E+25
n4
2.3978564950141E+33
n5
5.3061434312579E+41
2 √n
14875.716688617
3 √n
604.85591541828
4 √n
121.96604727799
5 √n
46.66498809961
1 , 7 , 157 , 271 , 743 , 1099 , 1897 , 5201 , 42547 , 116651 , 201353 , 297829 , 816557 , 1409471 , 31612421 , 221286947
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
-221286946
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 221286947 can be divided by 16 positive divisors.
The sum of these divisors (counting 221286947) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101001100001001001000100011
3
Ternary
120102101112121212
4
Quaternary
31030021020203
5
Quinary
423122140242
6
Senary
33542540335
8
Octal
1514111043
10
Decimal
221286947
12
Duodecimal
621376ab
16
Hexadecimal
d309223
20
Vigesimal
3930h77
36
Base36
3nqy3n
md5
09f054fe26f4a32d13f08d0bc35aa920
sha1
ad93baed628433264f222e019ce6e0710a6370ae
sha256
7654a18e04fa33cf21089a86c5a97909b2f89373cb312574ff709a9bd2c8c7bd
sha512
edb7072860d5db308ec380ef3b0488c260fa6269d9ecf0067bffd38431cf8cf962d7e9ade5bc390307285b798dcf5973d48caac0ec76cd982c7d09bd81c53d75
ripemd-160
7b9b46cf487d4e4de1bdeb47de3329a214d67e87
Diameter
442573894
Circumference
1390386894.061
Area
1.5383723546779E+17
Volume
4.5389562895449E+25
Surface area
6.1534894187115E+17
Circumference
1390386894.061
Perimeter
885147788
Area
48967912912580809
Diagonal
312947001.62354
Surface area
293807477475484854
Volume
1.0835959949387E+25
Space diagonal
383280235.2558
Perimeter
663860841
Area
2.12037282763E+16
Altitude
191640117.6279
Surface area
2.12037282763E+16
Volume
1.2770301268129E+24
Height
104315667.20785