208538145 (number)

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.

Interesting facts

Basic properties

Name

Name two hundred eight million five hundred thirty-eight thousand one hundred forty-five

Notation

Scientific notation 2.08538145 × 10^8
Engineering notation 2.08538145 × 10^6

Prime Factorization of 208538145

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.

Most popular turbo-numbers

Basic calculations (n = 208538145)

Multiplication

n×y
n×2 417076290
n×3 625614435
n×4 834152580
n×5 1042690725

Division

n÷y
n÷2 104269072.5
n÷3 69512715
n÷3 52134536.25
n÷5 41707629

Exponentiation

ny
n2 43488157920041025
n3 9.0689397821124E+24
n4 1.8912198792784E+33
n5 3.9439148541185E+41

Nth Root

y√n
2√n 14440.849871112
3√n 593.00975198831
4√n 120.17008725599
5√n 46.114457217394

Divisors of 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 conversion 208538145

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

Cryptographic Hash Functions

md5 2daec86bbffd2cdcb0425c9e2eb6a9bf
sha1 60b9f1494a70da8b67a23de4d055390411d057d4
sha256 b5caeb7017fdcffd287292092367a802995f241b6746854ade65d588bbadfa0d
sha512 feb20f860274d73bcfb475b6245db62809e9756acf4d67735787675040dee3b58d227c74ac6d9f465483a47cfe9f556af22360eb9660374106d5b77030846475
ripemd-160 d944f5857d099deaaac93f63be13251ae4890914

208538145 as geometric shapes

Circle

Radius = n
Diameter 417076290
Circumference 1310283808.6505
Area 1.3662207743975E+17

Sphere

Radius = n
Volume 3.798788612711E+25
Surface area 5.4648830975901E+17
Circumference 1310283808.6505

Square

Length = n
Perimeter 834152580
Area 43488157920041025
Diagonal 294917472.93113

Cube

Length = n
Surface area 260928947520246150
Volume 9.0689397821124E+24
Space diagonal 361198662.45617

Equilateral Triangle

Length = n
Perimeter 625614435
Area 1.8830924761272E+16
Altitude 180599331.22808

Triangular Pyramid

Length = n
Surface area 1.8830924761272E+16
Volume 1.0687848030174E+24
Height 98305824.310376