221644731 is an odd 9-digits composite number following 221644730
and preceding 221644732 . In scientific notation, it is written as 2.21644731 × 10^8.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 114884640 positive integers (up to 221644731) that are relatively prime to 221644731.
221644731 has 16 divisors, whose sum is 300029184
The reverse of 221644731 is 137446122
Previous prime number is 647
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 30
Digital Root 3
Name
two hundred twenty-one million six hundred forty-four thousand seven hundred thirty-one
Scientific notation
2.21644731 × 10^8
Engineering notation
2.21644731 × 10^6
Prime Factorization
3 × 77 × 647 × 1483
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
221644731
Product of the distinct prime numbers
The prime factorization of 221644731 is 3 × 77 × 647 × 1483.
Since it has a total of 4 prime factors.
4 , 4 , 44 , 5 , 34 , 274 , 6936 , 1135 , 232 , 12775 , 466808 , 287846 , 6028404 , 6614052 , 89121118 , 50733906 , 492826924 , 189842 , 117615979 , 8397445780
n×2
443289462
n×3
664934193
n×4
886578924
n×5
1108223655
n÷2
110822365.5
n÷3
73881577
n÷3
55411182.75
n÷5
44328946.2
n2
49126386780062361
n3
1.0888604782869E+25
n4
2.4134018780643E+33
n5
5.3491781005845E+41
2 √n
14887.737605157
3 √n
605.18172352203
4 √n
122.01531709239
5 √n
46.680068246853
1 , 3 , 77 , 231 , 647 , 1483 , 1941 , 4449 , 49819 , 114191 , 149457 , 342573 , 959501 , 2878503 , 73881577 , 221644731
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
-221644730
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 221644731 can be divided by 16 positive divisors.
The sum of these divisors (counting 221644731) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101001101100000011110111011
3
Ternary
120110001201102010
4
Quaternary
31031200132323
5
Quinary
423220112411
6
Senary
33554341003
8
Octal
1515403673
10
Decimal
221644731
12
Duodecimal
6228a763
16
Hexadecimal
d3607bb
20
Vigesimal
3955bgb
36
Base36
3nym63
md5
04c099d090791110d6fd1fc9c40de609
sha1
a7a569ec3a79b862d41c9f5c42c7b3fa74772a2f
sha256
cb93b659ea97d678a57c640ff46696517e112dc94f9e496d9b2b3148ece10dc2
sha512
cc180934517b736a5c58a1b959ea96351ba6f7f50b8423c23d4be7fea12b218c04d326fbce64270ad21abbf698968efe2f7fa33889582792cd5f1f8b34eb2df7
ripemd-160
48f65595c2c0c3c37148c50221322f4984ff0504
Diameter
443289462
Circumference
1392634917.233
Area
1.5433509580565E+17
Volume
4.5610081058271E+25
Surface area
6.1734038322262E+17
Circumference
1392634917.233
Perimeter
886578924
Area
49126386780062361
Diagonal
313452984.60874
Surface area
294758320680374166
Volume
1.0888604782869E+25
Space diagonal
383899935.32194
Perimeter
664934193
Area
2.1272349473837E+16
Altitude
191949967.66097
Surface area
2.1272349473837E+16
Volume
1.2832343799378E+24
Height
104484328.20291