28993 (number)

28993 is an odd 5-digits composite number following 28992 and preceding 28994. In scientific notation, it is written as 2.8993 × 10^4. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 28548 positive integers (up to 28993) that are relatively prime to 28993.

Interesting facts

Basic properties

Name

Name twenty-eight thousand nine hundred ninety-three

Notation

Scientific notation 2.8993 × 10^4
Engineering notation 2.8993 × 10^3

Prime Factorization of 28993

Prime Factorization 79 × 367

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28993
Product of the distinct prime numbers

The prime factorization of 28993 is 79 × 367. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28993)

Multiplication

n×y
n×2 57986
n×3 86979
n×4 115972
n×5 144965

Division

n÷y
n÷2 14496.5
n÷3 9664.3333333333
n÷3 7248.25
n÷5 5798.6

Exponentiation

ny
n2 840594049
n3 24371343262657
n4 706598355214214401
n5 2.0486406112726E+22

Nth Root

y√n
2√n 170.27330971118
3√n 30.720696078882
4√n 13.048881550201
5√n 7.8065407508551

Divisors of 28993

1, 79, 367, 28993

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 -28992
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 28993 can be divided by 4 positive divisors. The sum of these divisors (counting 28993) is 1, the average is 0.25.

Base conversion 28993

Base System Value
2 Binary 111000101000001
3 Ternary 1110202211
4 Quaternary 13011001
5 Quinary 1411433
6 Senary 342121
8 Octal 70501
10 Decimal 28993
12 Duodecimal 14941
16 Hexadecimal 7141
20 Vigesimal 3c9d
36 Base36 mdd

Cryptographic Hash Functions

md5 f4431fbd60ca4a4e72238472ebb7c421
sha1 5dbcb4a5cdcc5fb2e7c4cda0fd7cb109f27055f6
sha256 d32e2eaf09d3bf3328f6485ba7f6c1590421099eb2c548a3c67ed92a6042b0cd
sha512 f2c359a8be645ebfd30f18485293238d9f224f7f30587cfd000015a2fe1345dd56fe62282bbba50f8a354918534e2a717ca724c62a89e7c005383b722d85eb4b
ripemd-160 cd2542b73ccb6c5d02a45a7c54e2e9389a83ffc2

28993 as geometric shapes

Circle

Radius = n
Diameter 57986
Circumference 182168.39161106
Area 2640804088.9897

Sphere

Radius = n
Volume 1.020864439361E+14
Surface area 10563216355.959
Circumference 182168.39161106

Square

Length = n
Perimeter 115972
Area 840594049
Diagonal 41002.293813883

Cube

Length = n
Surface area 5043564294
Volume 24371343262657
Space diagonal 50217.349063844

Equilateral Triangle

Length = n
Perimeter 86979
Area 363987900.35201
Altitude 25108.674531922

Triangular Pyramid

Length = n
Surface area 363987900.35201
Volume 2872190347941.6
Height 13667.431271294