221369985 is an odd 9-digits composite number following 221369984
and preceding 221369986 . In scientific notation, it is written as 2.21369985 × 10^8.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 118063968 positive integers (up to 221369985) that are relatively prime to 221369985.
221369985 has 8 divisors, whose sum is 295160040
The reverse of 221369985 is 589963122
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
two hundred twenty-one million three hundred sixty-nine thousand nine hundred eighty-five
Scientific notation
2.21369985 × 10^8
Engineering notation
2.21369985 × 10^6
Prime Factorization
5 × 9 × 4919333
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
221369985
Product of the distinct prime numbers
The prime factorization of 221369985 is 5 × 9 × 4919333.
Since it has a total of 3 prime factors.
2 , 2 , 29 , 34 , 972 , 736 , 8491 , 3713 , 79714 , 59293 , 434220 , 765672 , 4193468 , 1491282 , 80136739 , 11514279 , 126992503 , 54279966 , 4998416652 , 8396264594
n×2
442739970
n×3
664109955
n×4
885479940
n×5
1106849925
n÷2
110684992.5
n÷3
73789995
n÷3
55342496.25
n÷5
44273997
n2
49004670258900225
n3
1.0848163120143E+25
n4
2.4014577071835E+33
n5
5.3161065661735E+41
2 √n
14878.507485632
3 √n
604.93156341748
4 √n
121.97748761813
5 √n
46.668489784488
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
-221369984
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 221369985 can be divided by 8 positive divisors.
The sum of these divisors (counting 221369985) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101001100011101011010000001
3
Ternary
120102112202112100
4
Quaternary
31030131122001
5
Quinary
423132314420
6
Senary
33544421013
8
Octal
1514353201
10
Decimal
221369985
12
Duodecimal
62177769
16
Hexadecimal
d31d681
20
Vigesimal
393b4j5
36
Base36
3nsq69
md5
dfe56c0d96064f077dfc02ac4b694a60
sha1
91283e1abacb6fe94df8c5339626436735fa8d82
sha256
6e1b7f698392ecee3b38f8390557f7a888f3ebd952bcc6d15f6d72ec8bfdc0ee
sha512
3f24f0b288bf61cba829617e21792fcde4623dd6d071e3831a10d87fa7d06c1c4db5f380561e9409c62c20df672e8aa151a3f068188a768ebf8377404ade8760
ripemd-160
803cb5e91e19e1fa7552b53f5570c1d0768ae28d
Diameter
442739970
Circumference
1390908637.2026
Area
1.5395271207695E+17
Volume
4.5440679417579E+25
Surface area
6.158108483078E+17
Circumference
1390908637.2026
Perimeter
885479940
Area
49004670258900225
Diagonal
313064435.08933
Surface area
294028021553401350
Volume
1.0848163120143E+25
Space diagonal
383424061.29076
Perimeter
664109955
Area
2.1219644674144E+16
Altitude
191712030.64538
Surface area
2.1219644674144E+16
Volume
1.2784682842785E+24
Height
104354811.69644