209121839 is an odd 9-digits composite number following 209121838
and preceding 209121840 . In scientific notation, it is written as 2.09121839 × 10^8.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 208992456 positive integers (up to 209121839) that are relatively prime to 209121839.
209121839 has 4 divisors, whose sum is 209251224
The reverse of 209121839 is 938121902
Previous prime number is 1637
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8
Name
two hundred nine million one hundred twenty-one thousand eight hundred thirty-nine
Scientific notation
2.09121839 × 10^8
Engineering notation
2.09121839 × 10^6
Prime Factorization
1637 × 127747
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
209121839
Product of the distinct prime numbers
The prime factorization of 209121839 is 1637 × 127747.
Since it has a total of 2 prime factors.
9 , 3 , 43 , 81 , 712 , 627 , 6041 , 1710 , 60635 , 49309 , 782903 , 976623 , 4152798 , 4718414 , 7863936 , 75963302 , 689693453 , 702151778 , 150697562 , 1855359351
n×2
418243678
n×3
627365517
n×4
836487356
n×5
1045609195
n÷2
104560919.5
n÷3
69707279.666667
n÷3
52280459.75
n÷5
41824367.8
n2
43731943546741921
n3
9.1453044575389E+24
n4
1.9124828863754E+33
n5
3.9994193825486E+41
2 √n
14461.045570774
3 √n
593.56251064176
4 √n
120.25408754289
5 √n
46.140243048326
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-209121838
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 209121839 can be divided by 4 positive divisors.
The sum of these divisors (counting 209121839) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100011101101111001000101111
3
Ternary
112120111111020022
4
Quaternary
30131233020233
5
Quinary
412013344324
6
Senary
32430112355
8
Octal
1435571057
10
Decimal
209121839
12
Duodecimal
5a04b6bb
16
Hexadecimal
c76f22f
20
Vigesimal
35704bj
36
Base36
3gi7fz
md5
b56edb3148ec6883b152c933d2af523f
sha1
d73726986390295638473e8d02562bc389bb981d
sha256
e59999f6bba1a6d7ae4290d2793c91b5a79b53f35ac1fa945ce624dbcd2e2870
sha512
8850a09a314367c4ee15fd82d558dfb6fc42734617571496f4bddb275c56029c075253199f8ab3458486b2df2ad27445a7cd9d8177251537c58416497b47efcf
ripemd-160
ad019fabce78d7c771b061c62273406b17f0f0cc
Diameter
418243678
Circumference
1313951266.2152
Area
1.3738795257365E+17
Volume
3.8307761731528E+25
Surface area
5.4955181029459E+17
Circumference
1313951266.2152
Perimeter
836487356
Area
43731943546741921
Diagonal
295742940.9022
Surface area
262391661280451526
Volume
9.1453044575389E+24
Space diagonal
362209650.12024
Perimeter
627365517
Area
1.8936487034173E+16
Altitude
181104825.06012
Surface area
1.8936487034173E+16
Volume
1.0777844663235E+24
Height
98580980.300734