209212985 is an odd 9-digits composite number following 209212984
and preceding 209212986 . In scientific notation, it is written as 2.09212985 × 10^8.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 162398016 positive integers (up to 209212985) that are relatively prime to 209212985.
209212985 has 16 divisors, whose sum is 258552000
The reverse of 209212985 is 589212902
Previous prime number is 419
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
two hundred nine million two hundred twelve thousand nine hundred eighty-five
Scientific notation
2.09212985 × 10^8
Engineering notation
2.09212985 × 10^6
Prime Factorization
5 × 37 × 419 × 2699
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
209212985
Product of the distinct prime numbers
The prime factorization of 209212985 is 5 × 37 × 419 × 2699.
Since it has a total of 4 prime factors.
1 , 2 , 88 , 14 , 550 , 333 , 4492 , 1500 , 12575 , 32675 , 468760 , 145952 , 2344779 , 1167060 , 18548298 , 31476100 , 176099566 , 401286603 , 3669489742 , 9725860298
n×2
418425970
n×3
627638955
n×4
836851940
n×5
1046064925
n÷2
104606492.5
n÷3
69737661.666667
n÷3
52303246.25
n÷5
41842597
n2
43770073092610225
n3
9.1572676453732E+24
n4
1.9158192985324E+33
n5
4.0081427416658E+41
2 √n
14464.196659338
3 √n
593.64873308954
4 √n
120.26718862324
5 √n
46.144264403165
1 , 5 , 37 , 185 , 419 , 2095 , 2699 , 13495 , 15503 , 77515 , 99863 , 499315 , 1130881 , 5654405 , 41842597 , 209212985
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
-209212984
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 209212985 can be divided by 16 positive divisors.
The sum of these divisors (counting 209212985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100011110000101011000111001
3
Ternary
112120200010021002
4
Quaternary
30132011120321
5
Quinary
412024303420
6
Senary
32432054345
8
Octal
1436053071
10
Decimal
209212985
12
Duodecimal
5a0943b5
16
Hexadecimal
c785639
20
Vigesimal
357bc95
36
Base36
3gk5rt
md5
2c9c858b183521b68d675b98c4d2c045
sha1
28ed7a08ad72fbf4b25e91eabef8fb33f042e528
sha256
ef15c8eb27656096895221887ebd5a816147178132c7aef723a9fdb7f15d3767
sha512
a56acdaa96ddf2d0f668d977379b3f5b354eff66fcbb275a42fbe3a7580211dea54e1de11861e15d29e961245df3fe63ad027fdc7ee4726fb425a7918926c5b3
ripemd-160
dd6a37f3b01e1901401568efb4f1daac7c7688e3
Diameter
418425970
Circumference
1314523953.4232
Area
1.3750774007483E+17
Volume
3.8357873015546E+25
Surface area
5.5003096029933E+17
Circumference
1314523953.4232
Perimeter
836851940
Area
43770073092610225
Diagonal
295871840.81156
Surface area
262620438555661350
Volume
9.1572676453732E+24
Space diagonal
362367519.62315
Perimeter
627638955
Area
1.8952997611851E+16
Altitude
181183759.81157
Surface area
1.8952997611851E+16
Volume
1.0791943415306E+24
Height
98623946.937186