28955 (number)

28955 is an odd 5-digits composite number following 28954 and preceding 28956. In scientific notation, it is written as 2.8955 × 10^4. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 23160 positive integers (up to 28955) that are relatively prime to 28955.

Interesting facts

Basic properties

Name

Name twenty-eight thousand nine hundred fifty-five

Notation

Scientific notation 2.8955 × 10^4
Engineering notation 2.8955 × 10^3

Prime Factorization of 28955

Prime Factorization 5 × 5791

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28955
Product of the distinct prime numbers

The prime factorization of 28955 is 5 × 5791. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28955)

Multiplication

n×y
n×2 57910
n×3 86865
n×4 115820
n×5 144775

Division

n÷y
n÷2 14477.5
n÷3 9651.6666666667
n÷3 7238.75
n÷5 5791

Exponentiation

ny
n2 838392025
n3 24275641083875
n4 702901187583600625
n5 2.0352503886483E+22

Nth Root

y√n
2√n 170.16168781485
3√n 30.707268736204
4√n 13.044603781444
5√n 7.8044933311797

Divisors of 28955

1, 5, 5791, 28955

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 -28954
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 28955 can be divided by 4 positive divisors. The sum of these divisors (counting 28955) is 1, the average is 0.25.

Base conversion 28955

Base System Value
2 Binary 111000100011011
3 Ternary 1110201102
4 Quaternary 13010123
5 Quinary 1411310
6 Senary 342015
8 Octal 70433
10 Decimal 28955
12 Duodecimal 1490b
16 Hexadecimal 711b
20 Vigesimal 3c7f
36 Base36 mcb

Cryptographic Hash Functions

md5 d89f151c51c3d0903f0b39042fb55753
sha1 21b28192e04fd6069824a2d63c98b026d5c6d9d4
sha256 dff239adc8a33eb826919dc05f1d0f1013e1f5343359022a75c1d259f6840fe6
sha512 a79d681ce2104275b35ef717705b907e95947f6618425cbaaf6c850311852c1a91a17dc895623f93214751d4f4f0bc10cb5207229a1ae792e9c9629db86f2bfe
ripemd-160 27ec8841d94f3cc56e67a459af9fd3531e5fa27f

28955 as geometric shapes

Circle

Radius = n
Diameter 57910
Circumference 181929.63056938
Area 2633886226.5683

Sphere

Radius = n
Volume 1.0168556758705E+14
Surface area 10535544906.273
Circumference 181929.63056938

Square

Length = n
Perimeter 115820
Area 838392025
Diagonal 40948.553698513

Cube

Length = n
Surface area 5030352150
Volume 24275641083875
Space diagonal 50151.531133157

Equilateral Triangle

Length = n
Perimeter 86865
Area 363034395.99014
Altitude 25075.765566578

Triangular Pyramid

Length = n
Surface area 363034395.99014
Volume 2860911738009.8
Height 13649.517899504