208515139 is an odd 9-digits composite number following 208515138
and preceding 208515140 . In scientific notation, it is written as 2.08515139 × 10^8.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 169319808 positive integers (up to 208515139) that are relatively prime to 208515139.
208515139 has 8 divisors, whose sum is 223970000
The reverse of 208515139 is 931515802
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
two hundred eight million five hundred fifteen thousand one hundred thirty-nine
Scientific notation
2.08515139 × 10^8
Engineering notation
2.08515139 × 10^6
Prime Factorization
49 × 19 × 223969
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
208515139
Product of the distinct prime numbers
The prime factorization of 208515139 is 49 × 19 × 223969.
Since it has a total of 3 prime factors.
7 , 1 , 31 , 61 , 969 , 353 , 1700 , 8943 , 55959 , 91422 , 507487 , 574320 , 350889 , 902690 , 26296493 , 41741013 , 599330780 , 469451427 , 5329821138 , 9268998514
n×2
417030278
n×3
625545417
n×4
834060556
n×5
1042575695
n÷2
104257569.5
n÷3
69505046.333333
n÷3
52128784.75
n÷5
41703027.8
n2
43478563192189321
n3
9.0659386475396E+24
n4
1.8903854572572E+33
n5
3.9417398638356E+41
2 √n
14440.053289375
3 √n
592.98794417296
4 √n
120.16677281751
5 √n
46.11343969993
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-208515138
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 208515139 can be divided by 8 positive divisors.
The sum of these divisors (counting 208515139) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100011011011011000001000011
3
Ternary
112112100122222221
4
Quaternary
30123123001003
5
Quinary
411334441024
6
Senary
32405111511
8
Octal
1433330103
10
Decimal
208515139
12
Duodecimal
599b8597
16
Hexadecimal
c6db043
20
Vigesimal
35347gj
36
Base36
3g57b7
md5
5aafc6294f9e6a683a5207f5d538e6d5
sha1
099d8374bb250ec984f945fb6c23f72889c27154
sha256
eebc7f403178784ea096b7a49e09b80bba0da8384d781ab4a575b6d4421051ab
sha512
b57d7d42a53b5e9d95bc400e2567587f64435cbdc0ca44b08e16128d0f265e0b3a1728b9b22259be06b55c2ecd1c6762636693a54d672387ccc0333ea525bb52
ripemd-160
057763dc5c6bd69458bed637ad26f510db72f4e1
Diameter
417030278
Circumference
1310139257.6893
Area
1.3659193471322E+17
Volume
3.7975315004008E+25
Surface area
5.4636773885289E+17
Circumference
1310139257.6893
Perimeter
834060556
Area
43478563192189321
Diagonal
294884937.53391
Surface area
260871379153135926
Volume
9.0659386475396E+24
Space diagonal
361158814.89529
Perimeter
625545417
Area
1.8826770122241E+16
Altitude
180579407.44764
Surface area
1.8826770122241E+16
Volume
1.0684311159161E+24
Height
98294979.17797