28055 (number)

28055 is an odd 5-digits composite number following 28054 and preceding 28056. In scientific notation, it is written as 2.8055 × 10^4. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 21600 positive integers (up to 28055) that are relatively prime to 28055.

Interesting facts

Basic properties

Name

Name twenty-eight thousand fifty-five

Notation

Scientific notation 2.8055 × 10^4
Engineering notation 2.8055 × 10^3

Prime Factorization of 28055

Prime Factorization 5 × 31 × 181

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28055
Product of the distinct prime numbers

The prime factorization of 28055 is 5 × 31 × 181. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 7, 43, 23, 254, 947, 64, 5395, 54798, 30478, 386976, 326748, 1913393, 6742010, 57491972, 66481783, 481261556, 140965013, 3759370304, 8930724129

Basic calculations (n = 28055)

Multiplication

n×y
n×2 56110
n×3 84165
n×4 112220
n×5 140275

Division

n÷y
n÷2 14027.5
n÷3 9351.6666666667
n÷3 7013.75
n÷5 5611

Exponentiation

ny
n2 787083025
n3 22081614266375
n4 619499688243150625
n5 1.7380063753662E+22

Nth Root

y√n
2√n 167.49626861515
3√n 30.38575914248
4√n 12.942034948769
5√n 7.7553616474133

Divisors of 28055

1, 5, 31, 155, 181, 905, 5611, 28055

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28054
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28055 can be divided by 8 positive divisors. The sum of these divisors (counting 28055) is 1, the average is 0.125.

Base conversion 28055

Base System Value
2 Binary 110110110010111
3 Ternary 1102111002
4 Quaternary 12312113
5 Quinary 1344210
6 Senary 333515
8 Octal 66627
10 Decimal 28055
12 Duodecimal 1429b
16 Hexadecimal 6d97
20 Vigesimal 3a2f
36 Base36 lnb

Cryptographic Hash Functions

md5 c9a4268367a43297ba960eb5bd78155c
sha1 8dc17a4eeaa407266f17459ff4d9fba49bba5c90
sha256 2b8ab8fa2174c0b074aa53b923f83560483fea67c745f6e9fbe8eaec82b55035
sha512 118bad55178506e3cd5905745d298c456bcfa319ca2e409bcc46d36de691e8e15059343cf5cceb7dc6f2744624e99338dfe4f6e798c9043d7ade549a7ccec74c
ripemd-160 1fc3040df71650c41fea12939523d35f34db7fa9

28055 as geometric shapes

Circle

Radius = n
Diameter 56110
Circumference 176274.76379292
Area 2472694249.1052

Sphere

Radius = n
Volume 92495249544863
Surface area 9890776996.4209
Circumference 176274.76379292

Square

Length = n
Perimeter 112220
Area 787083025
Diagonal 39675.761492377

Cube

Length = n
Surface area 4722498150
Volume 22081614266375
Space diagonal 48592.685406345

Equilateral Triangle

Length = n
Perimeter 84165
Area 340816947.26875
Altitude 24296.342703172

Triangular Pyramid

Length = n
Surface area 340816947.26875
Volume 2602343197883.2
Height 13225.253830792