209389621 is an odd 9-digits composite number following 209389620
and preceding 209389622 . In scientific notation, it is written as 2.09389621 × 10^8.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 179476812 positive integers (up to 209389621) that are relatively prime to 209389621.
209389621 has 4 divisors, whose sum is 239302432
The reverse of 209389621 is 126983902
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
two hundred nine million three hundred eighty-nine thousand six hundred twenty-one
Scientific notation
2.09389621 × 10^8
Engineering notation
2.09389621 × 10^6
Prime Factorization
7 × 29912803
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
209389621
Product of the distinct prime numbers
The prime factorization of 209389621 is 7 × 29912803.
Since it has a total of 2 prime factors.
8 , 9 , 11 , 95 , 293 , 521 , 3896 , 15 , 60701 , 60386 , 472671 , 482624 , 8166716 , 4332264 , 4204117 , 29989483 , 786892486 , 299720027 , 8831366902 , 6024872952
n×2
418779242
n×3
628168863
n×4
837558484
n×5
1046948105
n÷2
104694810.5
n÷3
69796540.333333
n÷3
52347405.25
n÷5
41877924.2
n2
43844013382523641
n3
9.1804813452856E+24
n4
1.9222975094869E+33
n5
4.0250914696071E+41
2 √n
14470.301344478
3 √n
593.81575624833
4 √n
120.29256562431
5 √n
46.152053582266
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
-209389620
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 209389621 can be divided by 4 positive divisors.
The sum of these divisors (counting 209389621) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100011110110000100000110101
3
Ternary
112121000002120011
4
Quaternary
30132300200311
5
Quinary
412100431441
6
Senary
32435540221
8
Octal
1436604065
10
Decimal
209389621
12
Duodecimal
5a15a671
16
Hexadecimal
c7b0835
20
Vigesimal
358de11
36
Base36
3gny2d
md5
5eb03940f57e9d0a04f50496e3d3ca56
sha1
df74f20ed0cad197603e53439c2cb0e29fe97d2f
sha256
9b2f8315ff45577cfe498093eeb6e38f70634802d74e927317e8b9c70a5d44eb
sha512
148eecc6e3050ce7ccf33ca208e85eb2ce22b0c31dbca88fad38ac1cfe8a0c939db0fe68088a233f580f5747bfd8ca7bee1967529e5d9dabbef64a3e3b513977
ripemd-160
c565fddef44bfe8b2a8aeb349093bc38f8e1b209
Diameter
418779242
Circumference
1315633790.1431
Area
1.3774003034643E+17
Volume
3.8455110334356E+25
Surface area
5.5096012138572E+17
Circumference
1315633790.1431
Perimeter
837558484
Area
43844013382523641
Diagonal
296121641.83836
Surface area
263064080295141846
Volume
9.1804813452856E+24
Space diagonal
362673462.14959
Perimeter
628168863
Area
1.8985014696565E+16
Altitude
181336731.0748
Surface area
1.8985014696565E+16
Volume
1.0819301023013E+24
Height
98707213.946121