209938779 is an odd 9-digits composite number following 209938778
and preceding 209938780 . In scientific notation, it is written as 2.09938779 × 10^8.
The sum of its digits is 54. It has a total of 4 prime factors and 12 positive divisors.
There are 133873872 positive integers (up to 209938779) that are relatively prime to 209938779.
209938779 has 12 divisors, whose sum is 316429776
The reverse of 209938779 is 977839902
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 54
Digital Root 9
Name
two hundred nine million nine hundred thirty-eight thousand seven hundred seventy-nine
Scientific notation
2.09938779 × 10^8
Engineering notation
2.09938779 × 10^6
Prime Factorization
3 × 3 × 23 × 1014197
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
69979593
Product of the distinct prime numbers
The prime factorization of 209938779 is 3 × 3 × 23 × 1014197.
Since it has a total of 4 prime factors.
9 , 2 , 22 , 61 , 881 , 356 , 9335 , 301 , 84556 , 50760 , 273319 , 861710 , 7253305 , 8763980 , 37222964 , 85423610 , 769475963 , 102818107 , 8740180531 , 7032290410
n×2
419877558
n×3
629816337
n×4
839755116
n×5
1049693895
n÷2
104969389.5
n÷3
69979593
n÷3
52484694.75
n÷5
41987755.8
n2
44074290928010841
n3
9.2529028227174E+24
n4
1.9425431208069E+33
n5
4.0781513093706E+41
2 √n
14489.264267036
3 √n
594.33442889325
4 √n
120.37135982881
5 √n
46.176236464672
1 , 3 , 9 , 23 , 69 , 207 , 1014197 , 3042591 , 9127773 , 23326531 , 69979593 , 209938779
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-209938778
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 209938779 can be divided by 12 positive divisors.
The sum of these divisors (counting 209938779) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1100100000110110100101011011
3
Ternary
112122000222212100
4
Quaternary
30200312211123
5
Quinary
412221020104
6
Senary
32455414443
8
Octal
1440664533
10
Decimal
209938779
12
Duodecimal
5a384423
16
Hexadecimal
c83695b
20
Vigesimal
35c26ij
36
Base36
3gzpsr
md5
63b5a6694b00459f602184234b9a1675
sha1
02392bda3c2aedcb842e67d285647a5201167a73
sha256
ed69b8f949fdc2f168e8f4bacfdf4f769af309147c752d5ec67394aeb8d67eba
sha512
0e4af5bdd792b07b632d46be8c23821fb33c0781b83b08ce3cdd54defeb40f117eb17294f758b981321f01b2d35f2ed67620e049a3295edf08e9f1eb57ac31e7
ripemd-160
41129bfc2a4128372404d4da28ef3f8684955f8a
Diameter
419877558
Circumference
1319084251.62
Area
1.3846346859162E+17
Volume
3.8758468709639E+25
Surface area
5.5385387436647E+17
Circumference
1319084251.62
Perimeter
839755116
Area
44074290928010841
Diagonal
296898268.52985
Surface area
264445745568065046
Volume
9.2529028227174E+24
Space diagonal
363624631.70697
Perimeter
629816337
Area
1.9084727798722E+16
Altitude
181812315.85349
Surface area
1.9084727798722E+16
Volume
1.0904650552673E+24
Height
98966089.509949