209909780 is an even 9-digits composite number following 209909779
and preceding 209909781 . In scientific notation, it is written as 2.09909780 × 10^8.
The sum of its digits is 44. It has a total of 5 prime factors and 24 positive divisors.
There are 83749248 positive integers (up to 209909780) that are relatively prime to 209909780.
209909780 has 24 divisors, whose sum is 441937608
The reverse of 209909780 is 087909902
Previous prime number is 397
Is Prime? no
Number parity even
Number length 9
Sum of Digits 44
Digital Root 8
Name
two hundred nine million nine hundred nine thousand seven hundred eighty
Scientific notation
2.09909780 × 10^8
Engineering notation
2.09909780 × 10^6
Prime Factorization
2 × 2 × 5 × 397 × 26437
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
104954890
Product of the distinct prime numbers
The prime factorization of 209909780 is 2 × 2 × 5 × 397 × 26437.
Since it has a total of 5 prime factors.
6 , 5 , 31 , 11 , 368 , 487 , 1659 , 3001 , 61783 , 112 , 528525 , 47541 , 6784661 , 9532807 , 2133301 , 7248847 , 67538527 , 811397561 , 6196487498 , 5168007795
n×2
419819560
n×3
629729340
n×4
839639120
n×5
1049548900
n÷2
104954890
n÷3
69969926.666667
n÷3
52477445
n÷5
41981956
n2
44062115739648400
n3
9.2490690212441E+24
n4
1.9414700434542E+33
n5
4.0753354969806E+41
2 √n
14488.263526041
3 √n
594.30706234729
4 √n
120.36720286706
5 √n
46.174960722591
1 , 2 , 4 , 5 , 10 , 20 , 397 , 794 , 1588 , 1985 , 3970 , 7940 , 26437 , 52874 , 105748 , 132185 , 264370 , 528740 , 10495489 , 20990978 , 41981956 , 52477445 , 104954890 , 209909780
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-209909779
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 209909780 can be divided by 24 positive divisors.
The sum of these divisors (counting 209909780) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1100100000101111100000010100
3
Ternary
112121222112002022
4
Quaternary
30200233200110
5
Quinary
412214103110
6
Senary
32455032312
8
Octal
1440574024
10
Decimal
209909780
12
Duodecimal
5a36b698
16
Hexadecimal
c82f814
20
Vigesimal
35bie90
36
Base36
3gz3f8
md5
2fb04dcd04adeee9214688846f73c3ce
sha1
f6918b236e24efab09c4eb092d60a7836afe37e5
sha256
61b76e4981f1f13a7f5ab1df60b7d151adf72e5fd324c2b2bb8d4e0954ebd05a
sha512
dbf5aca8d081ab3b1fb9d390525d58a655586826a7e96c1dae017e51be04c1fc0f5b041f5bc0152658d66a727a747418fd32b4d98291d6d5ee8aa92970580173
ripemd-160
80b557b35dcd1dd4ce8c472daf0399bb92fb0fcc
Diameter
419819560
Circumference
1318902045.5293
Area
1.384252191093E+17
Volume
3.8742409719581E+25
Surface area
5.5370087643721E+17
Circumference
1318902045.5293
Perimeter
839639120
Area
44062115739648400
Diagonal
296857257.75075
Surface area
264372694437890400
Volume
9.2490690212441E+24
Space diagonal
363574403.96561
Perimeter
629729340
Area
1.9079455787513E+16
Altitude
181787201.9828
Surface area
1.9079455787513E+16
Volume
1.0900132374307E+24
Height
98952419.250251