208540409 is an odd 9-digits composite number following 208540408
and preceding 208540410 . In scientific notation, it is written as 2.08540409 × 10^8.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 153945360 positive integers (up to 208540409) that are relatively prime to 208540409.
208540409 has 16 divisors, whose sum is 273684480
The reverse of 208540409 is 904045802
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
two hundred eight million five hundred forty thousand four hundred nine
Scientific notation
2.08540409 × 10^8
Engineering notation
2.08540409 × 10^6
Prime Factorization
7 × 19 × 11 × 142543
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
208540409
Product of the distinct prime numbers
The prime factorization of 208540409 is 7 × 19 × 11 × 142543.
Since it has a total of 4 prime factors.
10 , 5 , 17 , 44 , 356 , 378 , 6759 , 7440 , 54419 , 90435 , 634403 , 44027 , 1784217 , 447105 , 1744729 , 90360605 , 582260438 , 767759888 , 7810467925 , 2004233985
n×2
417080818
n×3
625621227
n×4
834161636
n×5
1042702045
n÷2
104270204.5
n÷3
69513469.666667
n÷3
52135102.25
n÷5
41708081.8
n2
43489102185887281
n3
9.0692351568877E+24
n4
1.8913020089345E+33
n5
3.9441289448573E+41
2 √n
14440.928259638
3 √n
593.01189798934
4 √n
120.17041341211
5 √n
46.114557345529
1 , 7 , 11 , 19 , 77 , 133 , 209 , 1463 , 142543 , 997801 , 1567973 , 2708317 , 10975811 , 18958219 , 29791487 , 208540409
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
-208540408
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 208540409 can be divided by 16 positive divisors.
The sum of these divisors (counting 208540409) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100011011100001001011111001
3
Ternary
112112101221122212
4
Quaternary
30123201023321
5
Quinary
411341243114
6
Senary
32405424505
8
Octal
1433411371
10
Decimal
208540409
12
Duodecimal
59a0b135
16
Hexadecimal
c6e12f9
20
Vigesimal
3537b09
36
Base36
3g5qt5
md5
592ead4a90798c3c5457cf90aab7ae9e
sha1
83fa3bf4d5c44ca8a66ab5fecde8daad2065a2ec
sha256
834de5e015d74d9837991bb350ed787d37ca59cc6caf11e924c74eb0077813c6
sha512
0edc46452d34a9f24d85a024bb513bf3eb6f7a49c6856874f7284d0304454d79196460078342120ef07985009dbade563a60b3b305c543c4fdb6b9012cc684bc
ripemd-160
671a8887e6c0f32230770ae703056969b0c3e1b6
Diameter
417080818
Circumference
1310298033.782
Area
1.366250439384E+17
Volume
3.7989123390076E+25
Surface area
5.465001757536E+17
Circumference
1310298033.782
Perimeter
834161636
Area
43489102185887281
Diagonal
294920674.71063
Surface area
260934613115323686
Volume
9.0692351568877E+24
Space diagonal
361202583.81919
Perimeter
625621227
Area
1.8831333640378E+16
Altitude
180601291.9096
Surface area
1.8831333640378E+16
Volume
1.0688196132685E+24
Height
98306891.570211