208538145 is an odd 9-digits composite number following 208538144
and preceding 208538146 . In scientific notation, it is written as 2.08538145 × 10^8.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 110854656 positive integers (up to 208538145) that are relatively prime to 208538145.
208538145 has 16 divisors, whose sum is 281032576
The reverse of 208538145 is 541835802
Previous prime number is 397
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
two hundred eight million five hundred thirty-eight thousand one hundred forty-five
Scientific notation
2.08538145 × 10^8
Engineering notation
2.08538145 × 10^6
Prime Factorization
135 × 3 × 397 × 1297
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
208538145
Product of the distinct prime numbers
The prime factorization of 208538145 is 135 × 3 × 397 × 1297.
Since it has a total of 4 prime factors.
1 , 6 , 25 , 83 , 842 , 233 , 3495 , 4791 , 67750 , 27081 , 595565 , 862904 , 4576632 , 2494560 , 6046067 , 21315059 , 894268876 , 780814078 , 6132466749 , 99930393
n×2
417076290
n×3
625614435
n×4
834152580
n×5
1042690725
n÷2
104269072.5
n÷3
69512715
n÷3
52134536.25
n÷5
41707629
n2
43488157920041025
n3
9.0689397821124E+24
n4
1.8912198792784E+33
n5
3.9439148541185E+41
2 √n
14440.849871112
3 √n
593.00975198831
4 √n
120.17008725599
5 √n
46.114457217394
1 , 3 , 135 , 397 , 405 , 1191 , 1297 , 3891 , 53595 , 160785 , 175095 , 514909 , 525285 , 1544727 , 69512715 , 208538145
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
-208538144
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 208538145 can be divided by 16 positive divisors.
The sum of these divisors (counting 208538145) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100011011100000101000100001
3
Ternary
112112101211120000
4
Quaternary
30123200220201
5
Quinary
411341210040
6
Senary
32405410213
8
Octal
1433405041
10
Decimal
208538145
12
Duodecimal
59a09969
16
Hexadecimal
c6e0a21
20
Vigesimal
3537575
36
Base36
3g5p29
md5
2daec86bbffd2cdcb0425c9e2eb6a9bf
sha1
60b9f1494a70da8b67a23de4d055390411d057d4
sha256
b5caeb7017fdcffd287292092367a802995f241b6746854ade65d588bbadfa0d
sha512
feb20f860274d73bcfb475b6245db62809e9756acf4d67735787675040dee3b58d227c74ac6d9f465483a47cfe9f556af22360eb9660374106d5b77030846475
ripemd-160
d944f5857d099deaaac93f63be13251ae4890914
Diameter
417076290
Circumference
1310283808.6505
Area
1.3662207743975E+17
Volume
3.798788612711E+25
Surface area
5.4648830975901E+17
Circumference
1310283808.6505
Perimeter
834152580
Area
43488157920041025
Diagonal
294917472.93113
Surface area
260928947520246150
Volume
9.0689397821124E+24
Space diagonal
361198662.45617
Perimeter
625614435
Area
1.8830924761272E+16
Altitude
180599331.22808
Surface area
1.8830924761272E+16
Volume
1.0687848030174E+24
Height
98305824.310376