209931408 is an even 9-digits composite number following 209931407
and preceding 209931409 . In scientific notation, it is written as 2.09931408 × 10^8.
The sum of its digits is 36. It has a total of 6 prime factors and 20 positive divisors.
There are 69977088 positive integers (up to 209931408) that are relatively prime to 209931408.
209931408 has 20 divisors, whose sum is 451935980
The reverse of 209931408 is 804139902
Previous prime number is 9
Is Prime? no
Number parity even
Number length 9
Sum of Digits 36
Digital Root 9
Name
two hundred nine million nine hundred thirty-one thousand four hundred eight
Scientific notation
2.09931408 × 10^8
Engineering notation
2.09931408 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 9 × 1457857
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
26241426
Product of the distinct prime numbers
The prime factorization of 209931408 is 2 × 2 × 2 × 2 × 9 × 1457857.
Since it has a total of 6 prime factors.
9 , 5 , 62 , 91 , 412 , 796 , 8271 , 723 , 85080 , 12823 , 571592 , 349146 , 1231308 , 9194524 , 90585512 , 20472133 , 365035368 , 81784756 , 3148375822 , 3793299793
n×2
419862816
n×3
629794224
n×4
839725632
n×5
1049657040
n÷2
104965704
n÷3
69977136
n÷3
52482852
n÷5
41986281.6
n2
44071196064862464
n3
9.2519282421406E+24
n4
1.9422703225875E+33
n5
4.0774354353742E+41
2 √n
14489.009904062
3 √n
594.32747307122
4 √n
120.37030324819
5 √n
46.175912208409
1 , 2 , 4 , 8 , 9 , 16 , 18 , 36 , 72 , 144 , 1457857 , 2915714 , 5831428 , 11662856 , 13120713 , 23325712 , 26241426 , 52482852 , 104965704 , 209931408
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-209931407
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 209931408 can be divided by 20 positive divisors.
The sum of these divisors (counting 209931408) is 1, the average is 0.05.
Base
System
Value
2
Binary
1100100000110100110010010000
3
Ternary
112122000121202100
4
Quaternary
30200310302100
5
Quinary
412220301113
6
Senary
32455320400
8
Octal
1440646220
10
Decimal
209931408
12
Duodecimal
5a380100
16
Hexadecimal
c834c90
20
Vigesimal
35c18a8
36
Base36
3gzk40
md5
9e2076afaaf7f417c365647e9e5091b9
sha1
722b6244a416f3cf0eedc55f7f925171998afede
sha256
2f4077bb08ae16d09ce3f0f285ba6fe6044be534003d8ca5c02404e371f50a44
sha512
86e95e00de732e99885d267cb491764ec164d7718d3fb7aaff75eed3e07bec504d01ead525f5740372739e6f879f60ea56e5da4fb4be11b3ac9159b63ab14410
ripemd-160
b40e92f49c62ded59f26f098f60ff0fc33c0bdff
Diameter
419862816
Circumference
1319037938.2611
Area
1.3845374579229E+17
Volume
3.8754386396065E+25
Surface area
5.5381498316915E+17
Circumference
1319037938.2611
Perimeter
839725632
Area
44071196064862464
Diagonal
296887844.36168
Surface area
264427176389174784
Volume
9.2519282421406E+24
Space diagonal
363611864.76047
Perimeter
629794224
Area
1.9083387683668E+16
Altitude
181805932.38024
Surface area
1.9083387683668E+16
Volume
1.0903501998448E+24
Height
98962614.787227