208081305 (number)

208081305 is an odd 9-digits composite number following 208081304 and preceding 208081306. In scientific notation, it is written as 2.08081305 × 10^8. The sum of its digits is 27. It has a total of 5 prime factors and 20 positive divisors. There are 110976480 positive integers (up to 208081305) that are relatively prime to 208081305.

Interesting facts

Basic properties

Name

Name two hundred eight million eighty-one thousand three hundred five

Notation

Scientific notation 2.08081305 × 10^8
Engineering notation 2.08081305 × 10^6

Prime Factorization of 208081305

Prime Factorization 9 × 5 × 3 × 3 × 513781

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 69360435
Product of the distinct prime numbers

The prime factorization of 208081305 is 9 × 5 × 3 × 3 × 513781. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 7, 22, 36, 803, 321, 1394, 2038, 46648, 38956, 72983, 53824, 6989698, 9329244, 10286233, 31466592, 876409613, 818721543, 165708418, 754128013

Basic calculations (n = 208081305)

Multiplication

n×y
n×2 416162610
n×3 624243915
n×4 832325220
n×5 1040406525

Division

n÷y
n÷2 104040652.5
n÷3 69360435
n÷3 52020326.25
n÷5 41616261

Exponentiation

ny
n2 43297829490503025
n3 9.0094688640514E+24
n4 1.8747020385887E+33
n5 3.9009044667569E+41

Nth Root

y√n
2√n 14425.023570171
3√n 592.5764041833
4√n 120.10421961851
5√n 46.094235100924

Divisors of 208081305

1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 513781, 1541343, 2568905, 4624029, 7706715, 13872087, 23120145, 41616261, 69360435, 208081305

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -208081304
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 208081305 can be divided by 20 positive divisors. The sum of these divisors (counting 208081305) is 1, the average is 0.05.

Base conversion 208081305

Base System Value
2 Binary 1100011001110001000110011001
3 Ternary 112111112121220000
4 Quaternary 30121301012121
5 Quinary 411232100210
6 Senary 32351523213
8 Octal 1431610631
10 Decimal 208081305
12 Duodecimal 59829509
16 Hexadecimal c671199
20 Vigesimal 350a355
36 Base36 3fvwk9

Cryptographic Hash Functions

md5 6a2862934772ea62b6907642af38298e
sha1 a2c2ecde494d835397031267605829983529eac0
sha256 87881271b4e1dc6ad1815d638a5be6407dcf764e433f54378de578d249b29088
sha512 1145a348f62b503185c85879be778b41d684abca82861fcb309a14dd444b944bea919439f1992d0647221dba56fa79b81979c556c6fbca2b2a3133f6754596b0
ripemd-160 d39f30b3fc53458eafcf39f8b89d4597f90c1603

208081305 as geometric shapes

Circle

Radius = n
Diameter 416162610
Circumference 1307413398.2748
Area 1.3602414304375E+17

Sphere

Radius = n
Volume 3.7738774928066E+25
Surface area 5.4409657217499E+17
Circumference 1307413398.2748

Square

Length = n
Perimeter 832325220
Area 43297829490503025
Diagonal 294271403.60729

Cube

Length = n
Surface area 259786976943018150
Volume 9.0094688640514E+24
Space diagonal 360407392.36524

Equilateral Triangle

Length = n
Perimeter 624243915
Area 1.8748510133751E+16
Altitude 180203696.18262

Triangular Pyramid

Length = n
Surface area 1.8748510133751E+16
Volume 1.06177608811E+24
Height 98090467.869098