221555985 is an odd 9-digits composite number following 221555984
and preceding 221555986 . In scientific notation, it is written as 2.21555985 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 95324160 positive integers (up to 221555985) that are relatively prime to 221555985.
221555985 has 16 divisors, whose sum is 321724224
The reverse of 221555985 is 589555122
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
two hundred twenty-one million five hundred fifty-five thousand nine hundred eighty-five
Scientific notation
2.21555985 × 10^8
Engineering notation
2.21555985 × 10^6
Prime Factorization
3 × 35 × 17 × 124121
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
221555985
Product of the distinct prime numbers
The prime factorization of 221555985 is 3 × 35 × 17 × 124121.
Since it has a total of 4 prime factors.
7 , 5 , 24 , 44 , 852 , 600 , 8208 , 2319 , 75984 , 1121 , 210256 , 746657 , 6053469 , 7998453 , 42862608 , 27609295 , 282110838 , 507202897 , 2374879872 , 7152601139
n×2
443111970
n×3
664667955
n×4
886223940
n×5
1107779925
n÷2
110777992.5
n÷3
73851995
n÷3
55388996.25
n÷5
44311197
n2
49087054489320225
n3
1.087553070813E+25
n4
2.4095389184375E+33
n5
5.3384776847025E+41
2 √n
14884.756800163
3 √n
605.10094165293
4 √n
122.00310160059
5 √n
46.67632953133
1 , 3 , 17 , 35 , 51 , 105 , 595 , 1785 , 124121 , 372363 , 2110057 , 4344235 , 6330171 , 13032705 , 73851995 , 221555985
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
-221555984
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 221555985 can be divided by 16 positive divisors.
The sum of these divisors (counting 221555985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101001101001010110100010001
3
Ternary
120102220012200020
4
Quaternary
31031022310101
5
Quinary
423204242420
6
Senary
33552414053
8
Octal
1515126421
10
Decimal
221555985
12
Duodecimal
62247329
16
Hexadecimal
d34ad11
20
Vigesimal
394e9j5
36
Base36
3nwpox
md5
f754c0ea16b0e58bcb621afdcc5dae32
sha1
f2d7f083e82bdaeaf182062a41f4d7ce4684b30d
sha256
1177ed2de2d88b3309e69c4bdee64a4d1f40b7c6e2807f6c75e709e09fa970a6
sha512
34007df1a88ff0b8e4c8c91edf2637d07f89b15265d33bafda6c18358a2b73abac27952411e04080de135cc76d67d76a1d88798a30910b0e845aa2f5f034ee41
ripemd-160
0a2070a5a38743d019bca77aed435c71b198cc82
Diameter
443111970
Circumference
1392077309.6697
Area
1.5421152977001E+17
Volume
4.5555316502069E+25
Surface area
6.1684611908004E+17
Circumference
1392077309.6697
Perimeter
886223940
Area
49087054489320225
Diagonal
313327478.81193
Surface area
294522326935921350
Volume
1.087553070813E+25
Space diagonal
383746222.74097
Perimeter
664667955
Area
2.1255318092351E+16
Altitude
191873111.37048
Surface area
2.1255318092351E+16
Volume
1.2816935854535E+24
Height
104442492.93731