208538281 is an odd 9-digits composite number following 208538280
and preceding 208538282 . In scientific notation, it is written as 2.08538281 × 10^8.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 168652800 positive integers (up to 208538281) that are relatively prime to 208538281.
208538281 has 16 divisors, whose sum is 251890560
The reverse of 208538281 is 182835802
Previous prime number is 257
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
two hundred eight million five hundred thirty-eight thousand two hundred eighty-one
Scientific notation
2.08538281 × 10^8
Engineering notation
2.08538281 × 10^6
Prime Factorization
7 × 19 × 257 × 6101
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
208538281
Product of the distinct prime numbers
The prime factorization of 208538281 is 7 × 19 × 257 × 6101.
Since it has a total of 4 prime factors.
7 , 10 , 4 , 67 , 191 , 684 , 8047 , 1844 , 76781 , 26049 , 839424 , 624822 , 3338894 , 8907533 , 59067030 , 14825055 , 262187181 , 302473889 , 5591349926 , 9271601031
n×2
417076562
n×3
625614843
n×4
834153124
n×5
1042691405
n÷2
104269140.5
n÷3
69512760.333333
n÷3
52134570.25
n÷5
41707656.2
n2
43488214642434961
n3
9.0689575252924E+24
n4
1.8912248127865E+33
n5
3.9439277144304E+41
2 √n
14440.854579976
3 √n
593.00988090047
4 √n
120.17010684848
5 √n
46.114463232183
1 , 7 , 19 , 133 , 257 , 1799 , 4883 , 6101 , 34181 , 42707 , 115919 , 811433 , 1567957 , 10975699 , 29791183 , 208538281
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
-208538280
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 208538281 can be divided by 16 positive divisors.
The sum of these divisors (counting 208538281) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100011011100000101010101001
3
Ternary
112112101211202001
4
Quaternary
30123200222221
5
Quinary
411341211111
6
Senary
32405411001
8
Octal
1433405251
10
Decimal
208538281
12
Duodecimal
59a09a61
16
Hexadecimal
c6e0aa9
20
Vigesimal
35375e1
36
Base36
3g5p61
md5
21f96f09bda43bb79e3c295723999dcb
sha1
3284c00d659ea01ffcc25b28f6a733bfbcd1d8e0
sha256
5cca620309f3cdc92e30a815777a8578e5b8977f58d2238fd790159e9f9fa857
sha512
fa159d2806c896a92e705b795b86e96a2a3f948a6754ab2ea902517a59524aad0eeab48cda157c064032b5ad7f564c8e87add321010ddc998d671594c1495387
ripemd-160
be0da67b942f35a7460ad12a08c75d501a2d8cc7
Diameter
417076562
Circumference
1310284663.1637
Area
1.3662225563841E+17
Volume
3.7987960449569E+25
Surface area
5.4648902255364E+17
Circumference
1310284663.1637
Perimeter
834153124
Area
43488214642434961
Diagonal
294917665.26417
Surface area
260929287854609766
Volume
9.0689575252924E+24
Space diagonal
361198898.01508
Perimeter
625614843
Area
1.883094932279E+16
Altitude
180599449.00754
Surface area
1.883094932279E+16
Volume
1.0687868940712E+24
Height
98305888.421391