28919 (number)

28919 is an odd 5-digits composite number following 28918 and preceding 28920. In scientific notation, it is written as 2.8919 × 10^4. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 26180 positive integers (up to 28919) that are relatively prime to 28919.

Interesting facts

Basic properties

Name

Name twenty-eight thousand nine hundred nineteen

Notation

Scientific notation 2.8919 × 10^4
Engineering notation 2.8919 × 10^3

Prime Factorization of 28919

Prime Factorization 121 × 239

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28919
Product of the distinct prime numbers

The prime factorization of 28919 is 121 × 239. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28919)

Multiplication

n×y
n×2 57838
n×3 86757
n×4 115676
n×5 144595

Division

n÷y
n÷2 14459.5
n÷3 9639.6666666667
n÷3 7229.75
n÷5 5783.8

Exponentiation

ny
n2 836308561
n3 24185207275559
n4 699412009201890721
n5 2.0226295894109E+22

Nth Root

y√n
2√n 170.05587317114
3√n 30.694537254773
4√n 13.040547272685
5√n 7.8025516866063

Divisors of 28919

1, 121, 239, 28919

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 -28918
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 28919 can be divided by 4 positive divisors. The sum of these divisors (counting 28919) is 1, the average is 0.25.

Base conversion 28919

Base System Value
2 Binary 111000011110111
3 Ternary 1110200002
4 Quaternary 13003313
5 Quinary 1411134
6 Senary 341515
8 Octal 70367
10 Decimal 28919
12 Duodecimal 1489b
16 Hexadecimal 70f7
20 Vigesimal 3c5j
36 Base36 mbb

Cryptographic Hash Functions

md5 aabcec3c1485362f5f588135883d37b6
sha1 eb702bdee23307dbdb662f115b83834dc7e9315e
sha256 fb6047fead22cd55b476e2eb5790ca343bfe0888b1bb7772893216f3e34d840d
sha512 856e3c2627158fefeee35e56204ee858eac7de4e1ee0e64471087d98112fd8445bc1e0ed84b3bc5b8cc428b79f6aec68a501cd0287d7b237ebf7ad6a54d82d6c
ripemd-160 94553de3e7086b9e3f5538f17f177f76f92ba4a2

28919 as geometric shapes

Circle

Radius = n
Diameter 57838
Circumference 181703.43589833
Area 2627340831.3719

Sphere

Radius = n
Volume 1.0130675933659E+14
Surface area 10509363325.487
Circumference 181703.43589833

Square

Length = n
Perimeter 115676
Area 836308561
Diagonal 40897.642010268

Cube

Length = n
Surface area 5017851366
Volume 24185207275559
Space diagonal 50089.177304084

Equilateral Triangle

Length = n
Perimeter 86757
Area 362132229.6142
Altitude 25044.588652042

Triangular Pyramid

Length = n
Surface area 362132229.6142
Volume 2850254011491.7
Height 13632.547336756