221617985 is an odd 9-digits composite number following 221617984
and preceding 221617986 . In scientific notation, it is written as 2.21617985 × 10^8.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 177187824 positive integers (up to 221617985) that are relatively prime to 221617985.
221617985 has 8 divisors, whose sum is 266101440
The reverse of 221617985 is 589716122
Previous prime number is 1783
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
two hundred twenty-one million six hundred seventeen thousand nine hundred eighty-five
Scientific notation
2.21617985 × 10^8
Engineering notation
2.21617985 × 10^6
Prime Factorization
5 × 1783 × 24859
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
221617985
Product of the distinct prime numbers
The prime factorization of 221617985 is 5 × 1783 × 24859.
Since it has a total of 3 prime factors.
6 , 5 , 29 , 7 , 434 , 905 , 4600 , 2 , 54407 , 7397 , 78584 , 457865 , 6577875 , 6941528 , 63381283 , 36275138 , 691322215 , 770914616 , 2794448185 , 5510845281
n×2
443235970
n×3
664853955
n×4
886471940
n×5
1108089925
n÷2
110808992.5
n÷3
73872661.666667
n÷3
55404496.25
n÷5
44323597
n2
49114531275460225
n3
1.0884663455487E+25
n4
2.4122371824082E+33
n5
5.3459514370737E+41
2 √n
14886.839322032
3 √n
605.15737999803
4 √n
122.0116360108
5 √n
46.678941610215
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
-221617984
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 221617985 can be divided by 8 positive divisors.
The sum of these divisors (counting 221617985) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101001101011001111101000001
3
Ternary
120110000100201112
4
Quaternary
31031121331001
5
Quinary
423213233420
6
Senary
33554013105
8
Octal
1515317501
10
Decimal
221617985
12
Duodecimal
62277195
16
Hexadecimal
d359f41
20
Vigesimal
39524j5
36
Base36
3ny1j5
md5
8d540ad062ffa88d3acde72295d6b686
sha1
4e144749da467efca90c2d00b1dd990bf9323ddd
sha256
5390e5045cdd1fff986ab63754490d43613704bb2f7f4541efcdc66f9cdcfd27
sha512
ec274542804cf174bb1000e54f323108c6f047995ce7e3d86fbae5046797bb04adea24de536231da23b2dbdcfdb5cc149395a9505bf532e24c6f34d4abce3552
ripemd-160
746c6f4689b6c9e17fc486e783038639c319259d
Diameter
443235970
Circumference
1392466867.1587
Area
1.5429785063949E+17
Volume
4.559357166474E+25
Surface area
6.1719140255797E+17
Circumference
1392466867.1587
Perimeter
886471940
Area
49114531275460225
Diagonal
313415160.0528
Surface area
294687187652761350
Volume
1.0884663455487E+25
Space diagonal
383853609.89104
Perimeter
664853955
Area
2.1267215889757E+16
Altitude
191926804.94552
Surface area
2.1267215889757E+16
Volume
1.2827698900514E+24
Height
104471720.0176