208520381 is an odd 9-digits composite number following 208520380
and preceding 208520382 . In scientific notation, it is written as 2.08520381 × 10^8.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 207862272 positive integers (up to 208520381) that are relatively prime to 208520381.
208520381 has 4 divisors, whose sum is 209178492
The reverse of 208520381 is 183025802
Previous prime number is 317
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 29
Digital Root 2
Name
two hundred eight million five hundred twenty thousand three hundred eighty-one
Scientific notation
2.08520381 × 10^8
Engineering notation
2.08520381 × 10^6
Prime Factorization
317 × 657793
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
208520381
Product of the distinct prime numbers
The prime factorization of 208520381 is 317 × 657793.
Since it has a total of 2 prime factors.
9 , 3 , 36 , 26 , 436 , 844 , 9535 , 7649 , 43570 , 25269 , 154367 , 223849 , 1263396 , 3640645 , 7763520 , 44700375 , 699849353 , 177321407 , 9971194837 , 9188833346
n×2
417040762
n×3
625561143
n×4
834081524
n×5
1042601905
n÷2
104260190.5
n÷3
69506793.666667
n÷3
52130095.25
n÷5
41704076.2
n2
43480749292385161
n3
9.0666224086136E+24
n4
1.8905755590273E+33
n5
3.9422353587765E+41
2 √n
14440.23479726
3 √n
592.99291330338
4 √n
120.16752804839
5 √n
46.113671552851
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-208520380
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 208520381 can be divided by 4 positive divisors.
The sum of these divisors (counting 208520381) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100011011011100010010111101
3
Ternary
112112100221012002
4
Quaternary
30123130102331
5
Quinary
411340123011
6
Senary
32405152045
8
Octal
1433342275
10
Decimal
208520381
12
Duodecimal
599bb625
16
Hexadecimal
c6dc4bd
20
Vigesimal
35350j1
36
Base36
3g5bct
md5
89b567273ac4ef83d5f1d8de60947eef
sha1
2bfae3bc55233195a6d378fc95a81c56619ffa61
sha256
1d0d9697c3cc5929c242c4fc59c1a47db4e551255ef2838b0f9cfc3e82db4034
sha512
0f2d79366b4eec31865b2dfea6af9eb1ee80d12cc964d73f9858017f87183da67f8c2672cec27141c4e4466eca3d11d3f673960b977aa830979c0e3de10e5809
ripemd-160
c51ad6439c637cd4d4dedaacf250de62fb66a82f
Diameter
417040762
Circumference
1310172194.1467
Area
1.3659880254954E+17
Volume
3.7978179135698E+25
Surface area
5.4639521019815E+17
Circumference
1310172194.1467
Perimeter
834081524
Area
43480749292385161
Diagonal
294892350.84141
Surface area
260884495754310966
Volume
9.0666224086136E+24
Space diagonal
361167894.30562
Perimeter
625561143
Area
1.8827716731394E+16
Altitude
180583947.15281
Surface area
1.8827716731394E+16
Volume
1.0685116979314E+24
Height
98297450.280468