209888945 is an odd 9-digits composite number following 209888944
and preceding 209888946 . In scientific notation, it is written as 2.09888945 × 10^8.
The sum of its digits is 53. It has a total of 4 prime factors and 16 positive divisors.
There are 143165760 positive integers (up to 209888945) that are relatively prime to 209888945.
209888945 has 16 divisors, whose sum is 289363968
The reverse of 209888945 is 549888902
Previous prime number is 191
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 53
Digital Root 8
Name
two hundred nine million eight hundred eighty-eight thousand nine hundred forty-five
Scientific notation
2.09888945 × 10^8
Engineering notation
2.09888945 × 10^6
Prime Factorization
7 × 5 × 191 × 31397
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
209888945
Product of the distinct prime numbers
The prime factorization of 209888945 is 7 × 5 × 191 × 31397.
Since it has a total of 4 prime factors.
9 , 3 , 2 , 15 , 952 , 316 , 7158 , 2366 , 47857 , 58536 , 150309 , 211411 , 3537841 , 6194845 , 51792682 , 1142806 , 132070454 , 56326081 , 2224190120 , 7755717993
n×2
419777890
n×3
629666835
n×4
839555780
n×5
1049444725
n÷2
104944472.5
n÷3
69962981.666667
n÷3
52472236.25
n÷5
41977789
n2
44053369233213025
n3
9.2463151920545E+24
n4
1.9406993407978E+33
n5
4.0733133720225E+41
2 √n
14487.54447793
3 √n
594.28739866552
4 √n
120.36421593617
5 √n
46.174044049242
1 , 5 , 7 , 35 , 191 , 955 , 1337 , 6685 , 31397 , 156985 , 219779 , 1098895 , 5996827 , 29984135 , 41977789 , 209888945
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-209888944
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 209888945 can be divided by 16 positive divisors.
The sum of these divisors (counting 209888945) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100100000101010011010110001
3
Ternary
112121221110111122
4
Quaternary
30200222122301
5
Quinary
412212421240
6
Senary
32454352025
8
Octal
1440523261
10
Decimal
209888945
12
Duodecimal
5a35b615
16
Hexadecimal
c82a6b1
20
Vigesimal
35bg275
36
Base36
3gynch
md5
9a729e82b2101d396a87fa8d7f231b45
sha1
9900b4ebde3bfadd5e374cf643b9a1bb70b8f0bb
sha256
0cc58458ac273e07a0f887e7e7d5094088f5077413ec9fdaba0cfac6f0024cb1
sha512
37c98c57bfb8e87cc69d3f4d963824fe0668352146bb2642d3e635cbfebeb380a83250c46a6a7a6888f6c9db44e5b1737779977f359b338f287e4a6842acd51f
ripemd-160
89535f8b0b0707fa04eae10317c29daa37f0f6fa
Diameter
419777890
Circumference
1318771135.3634
Area
1.3839774114894E+17
Volume
3.8730874506846E+25
Surface area
5.5359096459576E+17
Circumference
1318771135.3634
Perimeter
839555780
Area
44053369233213025
Diagonal
296827792.61118
Surface area
264320215399278150
Volume
9.2463151920545E+24
Space diagonal
363538316.68703
Perimeter
629666835
Area
1.9075668439129E+16
Altitude
181769158.34351
Surface area
1.9075668439129E+16
Volume
1.0896886955483E+24
Height
98942597.53706