209856965 is an odd 9-digits composite number following 209856964
and preceding 209856966 . In scientific notation, it is written as 2.09856965 × 10^8.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 167885568 positive integers (up to 209856965) that are relatively prime to 209856965.
209856965 has 4 divisors, whose sum is 251828364
The reverse of 209856965 is 569658902
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
two hundred nine million eight hundred fifty-six thousand nine hundred sixty-five
Scientific notation
2.09856965 × 10^8
Engineering notation
2.09856965 × 10^6
Prime Factorization
5 × 41971393
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
209856965
Product of the distinct prime numbers
The prime factorization of 209856965 is 5 × 41971393.
Since it has a total of 2 prime factors.
1 , 4 , 82 , 76 , 933 , 963 , 568 , 54 , 91406 , 39591 , 287516 , 702930 , 5320275 , 6452995 , 99665706 , 63398196 , 777223021 , 68620928 , 7189907956 , 5559954613
n×2
419713930
n×3
629570895
n×4
839427860
n×5
1049284825
n÷2
104928482.5
n÷3
69952321.666667
n÷3
52464241.25
n÷5
41971393
n2
44039945759011225
n3
9.2420893557507E+24
n4
1.9395168224567E+33
n5
4.070211139272E+41
2 √n
14486.440729178
3 √n
594.25721401025
4 √n
120.35963081191
5 √n
46.172636889915
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
-209856964
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 209856965 can be divided by 4 positive divisors.
The sum of these divisors (counting 209856965) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100100000100010100111000101
3
Ternary
112121212211122012
4
Quaternary
30200202213011
5
Quinary
412210410330
6
Senary
32453544005
8
Octal
1440424705
10
Decimal
209856965
12
Duodecimal
5a345005
16
Hexadecimal
c8229c5
20
Vigesimal
35bc285
36
Base36
3gxyo5
md5
e642d975d395c4142a5469b0e8db94b5
sha1
95539082c6679201f4e580e2452ead5ab484d8d3
sha256
53b4256c510dddbdc162c2e4e7a8eecd7860bf552f39fe01ab8d6e9bca5272b1
sha512
f63e97b90b69d0a389cb2c24e9a132a2595e9489e168670734863ef1dfe98b3034e5ec2b4f3e2c6198e1e6632416af92d9a7de3a58424f14bb5ea133f27e7e4a
ripemd-160
15412bb9c097675bb02bca774f5adaea3ef1b4d4
Diameter
419713930
Circumference
1318570199.0973
Area
1.38355570061E+17
Volume
3.8713173365129E+25
Surface area
5.5342228024401E+17
Circumference
1318570199.0973
Perimeter
839427860
Area
44039945759011225
Diagonal
296782566.06146
Surface area
264239674554067350
Volume
9.2420893557507E+24
Space diagonal
363482925.7022
Perimeter
629570895
Area
1.9069855904296E+16
Altitude
181741462.8511
Surface area
1.9069855904296E+16
Volume
1.0891906759639E+24
Height
98927522.020485