221557985 is an odd 9-digits composite number following 221557984
and preceding 221557986 . In scientific notation, it is written as 2.21557985 × 10^8.
The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors.
There are 158860800 positive integers (up to 221557985) that are relatively prime to 221557985.
221557985 has 16 divisors, whose sum is 294129792
The reverse of 221557985 is 589755122
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
two hundred twenty-one million five hundred fifty-seven thousand nine hundred eighty-five
Scientific notation
2.21557985 × 10^8
Engineering notation
2.21557985 × 10^6
Prime Factorization
5 × 11 × 71 × 56737
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
221557985
Product of the distinct prime numbers
The prime factorization of 221557985 is 5 × 11 × 71 × 56737.
Since it has a total of 4 prime factors.
6 , 8 , 63 , 46 , 463 , 882 , 6936 , 6312 , 95232 , 36213 , 240618 , 304614 , 6447490 , 7505446 , 44555585 , 87830142 , 609362445 , 24801693 , 1535589934 , 1187632787
n×2
443115970
n×3
664673955
n×4
886231940
n×5
1107789925
n÷2
110778992.5
n÷3
73852661.666667
n÷3
55389496.25
n÷5
44311597
n2
49087940717260225
n3
1.0875825233116E+25
n4
2.4096259238613E+33
n5
5.3387186429446E+41
2 √n
14884.823982836
3 √n
605.10276240904
4 √n
122.0033769321
5 √n
46.676413801066
1 , 5 , 11 , 55 , 71 , 355 , 781 , 3905 , 56737 , 283685 , 624107 , 3120535 , 4028327 , 20141635 , 44311597 , 221557985
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
-221557984
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 221557985 can be divided by 16 positive divisors.
The sum of these divisors (counting 221557985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101001101001011010011100001
3
Ternary
120102220022102022
4
Quaternary
31031023103201
5
Quinary
423204323420
6
Senary
33552431225
8
Octal
1515132341
10
Decimal
221557985
12
Duodecimal
62248515
16
Hexadecimal
d34b4e1
20
Vigesimal
394eej5
36
Base36
3nwr8h
md5
80c033eed5032ec8714242af365ee1cb
sha1
96b2fbc096be81bf19a25efa85253b28001438b9
sha256
1208df13f0dec7cf134e0a9940aa85f503b3346560740420c9a9ec6913c2ade1
sha512
fa91fe6a3a2a5007d09a4153f120b87aeaa380e26ab4adab686ad54dedefbda82d545954089ae656fc268a46fda3d140dae978f5f516e347a4dd1bc498e88242
ripemd-160
e02ce7ffe42b812a451d4f5d434d4c3b85b9db43
Diameter
443115970
Circumference
1392089876.0403
Area
1.542143139372E+17
Volume
4.5556550205443E+25
Surface area
6.1685725574878E+17
Circumference
1392089876.0403
Perimeter
886231940
Area
49087940717260225
Diagonal
313330307.23905
Surface area
294527644303561350
Volume
1.0875825233116E+25
Space diagonal
383749686.84258
Perimeter
664673955
Area
2.1255701840306E+16
Altitude
191874843.42129
Surface area
2.1255701840306E+16
Volume
1.281728295556E+24
Height
104443435.74635