209740945 is an odd 9-digits composite number following 209740944
and preceding 209740946 . In scientific notation, it is written as 2.09740945 × 10^8.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 167792752 positive integers (up to 209740945) that are relatively prime to 209740945.
209740945 has 4 divisors, whose sum is 251689140
The reverse of 209740945 is 549047902
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
two hundred nine million seven hundred forty thousand nine hundred forty-five
Scientific notation
2.09740945 × 10^8
Engineering notation
2.09740945 × 10^6
Prime Factorization
5 × 41948189
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
209740945
Product of the distinct prime numbers
The prime factorization of 209740945 is 5 × 41948189.
Since it has a total of 2 prime factors.
7 , 8 , 28 , 70 , 700 , 366 , 6604 , 2010 , 65790 , 21072 , 158505 , 911237 , 5872009 , 788065 , 81725473 , 88005850 , 17248298 , 694376742 , 6236937295 , 470229491
n×2
419481890
n×3
629222835
n×4
838963780
n×5
1048704725
n÷2
104870472.5
n÷3
69913648.333333
n÷3
52435236.25
n÷5
41948189
n2
43991264009493025
n3
9.2267692850956E+24
n4
1.9352313091529E+33
n5
4.0589724357532E+41
2 √n
14482.435741269
3 √n
594.14768157787
4 √n
120.34299207378
5 √n
46.167530426694
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
-209740944
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 209740945 can be divided by 4 positive divisors.
The sum of these divisors (counting 209740945) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100100000000110010010010001
3
Ternary
112121122221111011
4
Quaternary
30200012102101
5
Quinary
412143202240
6
Senary
32451250521
8
Octal
1440062221
10
Decimal
209740945
12
Duodecimal
5a2a9a41
16
Hexadecimal
c806491
20
Vigesimal
35ahc75
36
Base36
3gvh5d
md5
533e20749c3ff17ec0e07499b3c34565
sha1
059bdc5d5256c6214cff0127563b437e6ed4068a
sha256
7302e94bd38e32e02888073e96bb857f933b95f22771233336705148fc3a90a8
sha512
7a203a17b506625b56bb5bf673feda594a0eeb9ee04ffc486dee1b68e8e1e1ba5893933cb0cc122b507e8f27228ed10c27cf6b118a41237f2bbefe4ffa146bd3
ripemd-160
a638bc2f300740096722e12f954789342468b66b
Diameter
419481890
Circumference
1317841223.938
Area
1.3820263183435E+17
Volume
3.8649000803232E+25
Surface area
5.5281052733741E+17
Circumference
1317841223.938
Perimeter
838963780
Area
43991264009493025
Diagonal
296618489.00395
Surface area
263947584056958150
Volume
9.2267692850956E+24
Space diagonal
363281973.16751
Perimeter
629222835
Area
1.9048776088405E+16
Altitude
181640986.58375
Surface area
1.9048776088405E+16
Volume
1.0873851883225E+24
Height
98872829.667983