209219945 is an odd 9-digits composite number following 209219944
and preceding 209219946 . In scientific notation, it is written as 2.09219945 × 10^8.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 152159920 positive integers (up to 209219945) that are relatively prime to 209219945.
209219945 has 8 divisors, whose sum is 273888000
The reverse of 209219945 is 549912902
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
two hundred nine million two hundred nineteen thousand nine hundred forty-five
Scientific notation
2.09219945 × 10^8
Engineering notation
2.09219945 × 10^6
Prime Factorization
5 × 11 × 3803999
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
209219945
Product of the distinct prime numbers
The prime factorization of 209219945 is 5 × 11 × 3803999.
Since it has a total of 3 prime factors.
3 , 8 , 56 , 79 , 959 , 263 , 932 , 5927 , 12431 , 91418 , 412244 , 471213 , 9384581 , 3162378 , 80381481 , 17191490 , 622556045 , 225551700 , 3722251813 , 4461957918
n×2
418439890
n×3
627659835
n×4
836879780
n×5
1046099725
n÷2
104609972.5
n÷3
69739981.666667
n÷3
52304986.25
n÷5
41843989
n2
43772985385803025
n3
9.1581815949035E+24
n4
1.9160742495857E+33
n5
4.0088094911424E+41
2 √n
14464.437251411
3 √n
593.65531609292
4 √n
120.26818885894
5 √n
46.144571420252
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-209219944
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 209219945 can be divided by 8 positive divisors.
The sum of these divisors (counting 209219945) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100011110000111000101101001
3
Ternary
112120200110210212
4
Quaternary
30132013011221
5
Quinary
412030014240
6
Senary
32432150505
8
Octal
1436070551
10
Decimal
209219945
12
Duodecimal
5a098435
16
Hexadecimal
c787169
20
Vigesimal
357c9h5
36
Base36
3gkb55
md5
e04d0d418352829bd0d698fdd9fd5790
sha1
852032ed9c8fb6d1573f9280125fb9c110ee0f1c
sha256
5c930aedd48ce566c47e1cff62036a03ddfa99325a2cac0a812c744dee986fa0
sha512
bdc36744dee418779c308aabe1810775af7b40ee463d40a1fa53b7d1377ee23522b33c78ff481af6b7b42de7edf91caeeabeccc18ccbc0aee5b989a8df0ff0a5
ripemd-160
17fa743f1d9da3fe053f947671bb1462ecd48015
Diameter
418439890
Circumference
1314567684.3929
Area
1.3751688931373E+17
Volume
3.8361701358387E+25
Surface area
5.5006755725493E+17
Circumference
1314567684.3929
Perimeter
836879780
Area
43772985385803025
Diagonal
295881683.73795
Surface area
262637912314818150
Volume
9.1581815949035E+24
Space diagonal
362379574.69677
Perimeter
627659835
Area
1.8954258671795E+16
Altitude
181189787.34838
Surface area
1.8954258671795E+16
Volume
1.0793020515157E+24
Height
98627227.912651