27905 (number)

27905 is an odd 5-digits composite number following 27904 and preceding 27906. In scientific notation, it is written as 2.7905 × 10^4. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 22320 positive integers (up to 27905) that are relatively prime to 27905.

Interesting facts

Basic properties

Name

Name twenty-seven thousand nine hundred five

Notation

Scientific notation 2.7905 × 10^4
Engineering notation 2.7905 × 10^3

Prime Factorization of 27905

Prime Factorization 5 × 5581

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 27905
Product of the distinct prime numbers

The prime factorization of 27905 is 5 × 5581. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 3, 54, 22, 745, 254, 6246, 2955, 78407, 35844, 346412, 414507, 2092481, 5396545, 76851226, 83907250, 118950174, 53299683, 1062010781, 8448484873

Basic calculations (n = 27905)

Multiplication

n×y
n×2 55810
n×3 83715
n×4 111620
n×5 139525

Division

n÷y
n÷2 13952.5
n÷3 9301.6666666667
n÷3 6976.25
n÷5 5581

Exponentiation

ny
n2 778689025
n3 21729317242625
n4 606356597655450625
n5 1.6920380857575E+22

Nth Root

y√n
2√n 167.04789732289
3√n 30.331508430513
4√n 12.924701053521
5√n 7.747050828193

Divisors of 27905

1, 5, 5581, 27905

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 -27904
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 27905 can be divided by 4 positive divisors. The sum of these divisors (counting 27905) is 1, the average is 0.25.

Base conversion 27905

Base System Value
2 Binary 110110100000001
3 Ternary 1102021112
4 Quaternary 12310001
5 Quinary 1343110
6 Senary 333105
8 Octal 66401
10 Decimal 27905
12 Duodecimal 14195
16 Hexadecimal 6d01
20 Vigesimal 39f5
36 Base36 lj5

Cryptographic Hash Functions

md5 9cc1efe753654fa0220a77e5c3c14478
sha1 ee65a0d0a87c1f1838333a7421563c4104618768
sha256 684b3931009edc5d1471e8a55a397db96590922a4264456afbfcd500e89d97e1
sha512 ff391b0a3156713853a0e52b29a8ae5ea18aa683d6a034b91a5abc81f29f8e4e354e2d9d93668918a1a3bc968b77fdad92e02aa10d9d28d5fcaa841285e602ad
ripemd-160 3ac402debe8d5ffb5f2a507bb83743d151f7e516

27905 as geometric shapes

Circle

Radius = n
Diameter 55810
Circumference 175332.28599685
Area 2446323720.371

Sphere

Radius = n
Volume 91019551222604
Surface area 9785294881.484
Circumference 175332.28599685

Square

Length = n
Perimeter 111620
Area 778689025
Diagonal 39463.629458021

Cube

Length = n
Surface area 4672134150
Volume 21729317242625
Space diagonal 48332.87778521

Equilateral Triangle

Length = n
Perimeter 83715
Area 337182238.64907
Altitude 24166.438892605

Triangular Pyramid

Length = n
Surface area 337182238.64907
Volume 2560824595469
Height 13154.543152674