221086985 is an odd 9-digits composite number following 221086984
and preceding 221086986 . In scientific notation, it is written as 2.21086985 × 10^8.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 151246656 positive integers (up to 221086985) that are relatively prime to 221086985.
221086985 has 8 divisors, whose sum is 227937600
The reverse of 221086985 is 589680122
Previous prime number is 439
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
two hundred twenty-one million eighty-six thousand nine hundred eighty-five
Scientific notation
2.21086985 × 10^8
Engineering notation
2.21086985 × 10^6
Prime Factorization
35 × 439 × 14389
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
221086985
Product of the distinct prime numbers
The prime factorization of 221086985 is 35 × 439 × 14389.
Since it has a total of 3 prime factors.
9 , 1 , 94 , 42 , 866 , 169 , 2289 , 8366 , 86323 , 81835 , 538211 , 870286 , 5867973 , 5632324 , 19293297 , 89642606 , 552850830 , 305867524 , 6372609886 , 4856780044
n×2
442173970
n×3
663260955
n×4
884347940
n×5
1105434925
n÷2
110543492.5
n÷3
73695661.666667
n÷3
55271746.25
n÷5
44217397
n2
48879454936390225
n3
1.080661132033E+25
n4
2.3892011148786E+33
n5
5.2822127104715E+41
2 √n
14868.994081645
3 √n
604.67367142936
4 √n
121.93848482594
5 √n
46.65655145289
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
-221086984
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 221086985 can be divided by 8 positive divisors.
The sum of these divisors (counting 221086985) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101001011011000010100001001
3
Ternary
120102000101022212
4
Quaternary
31023120110021
5
Quinary
423044240420
6
Senary
33534354505
8
Octal
1513302411
10
Decimal
221086985
12
Duodecimal
6205ba35
16
Hexadecimal
d2d8509
20
Vigesimal
391fh95
36
Base36
3nmnt5
md5
d0a17efd93a402913678101c84050fc6
sha1
54f011018ef037a832cff000724924da9532406c
sha256
c40b40b00af83966dd23809289dfc70cf8ec169e701d6c339668af386f7f37f9
sha512
73a007902767764174846b05702d1764c61d9c2199c375bb6ed1838e6b418a5e9b95359ac0f831453b5a9e17b16b14efa7fa3280cfbdebd924504edcf2c6f524
ripemd-160
1a7273c5aee9cc5dd4a9f20bcb9e21eab8cbd367
Diameter
442173970
Circumference
1389130495.7606
Area
1.5355933653964E+17
Volume
4.5266627645532E+25
Surface area
6.1423734615855E+17
Circumference
1389130495.7606
Perimeter
884347940
Area
48879454936390225
Diagonal
312664212.65118
Surface area
293276729618341350
Volume
1.080661132033E+25
Space diagonal
382933890.91222
Perimeter
663260955
Area
2.1165424849025E+16
Altitude
191466945.45611
Surface area
2.1165424849025E+16
Volume
1.2735713577088E+24
Height
104221404.21706