28821493 (number)

28821493 is an odd 8-digits composite number following 28821492 and preceding 28821494. In scientific notation, it is written as 2.8821493 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 28497568 positive integers (up to 28821493) that are relatively prime to 28821493.

Interesting facts

Basic properties

Name

Name twenty-eight million eight hundred twenty-one thousand four hundred ninety-three

Notation

Scientific notation 2.8821493 × 10^7
Engineering notation 2.8821493 × 10^6

Prime Factorization of 28821493

Prime Factorization 89 × 323837

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28821493
Product of the distinct prime numbers

The prime factorization of 28821493 is 89 × 323837. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28821493)

Multiplication

n×y
n×2 57642986
n×3 86464479
n×4 115285972
n×5 144107465

Division

n÷y
n÷2 14410746.5
n÷3 9607164.3333333
n÷3 7205373.25
n÷5 5764298.6

Exponentiation

ny
n2 830678458749049
n3 2.3941393384087E+22
n4 6.900267018297E+29
n5 1.9887599756598E+37

Nth Root

y√n
2√n 5368.5652645749
3√n 306.60000533313
4√n 73.270493819647
5√n 31.04154257064

Divisors of 28821493

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 -28821492
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 28821493 can be divided by 4 positive divisors. The sum of these divisors (counting 28821493) is 1, the average is 0.25.

Base conversion 28821493

Base System Value
2 Binary 1101101111100011111110101
3 Ternary 2000020021122201
4 Quaternary 1231330133311
5 Quinary 24334241433
6 Senary 2505424501
8 Octal 155743765
10 Decimal 28821493
12 Duodecimal 979b131
16 Hexadecimal 1b7c7f5
20 Vigesimal 902ded
36 Base36 h5qt1

Cryptographic Hash Functions

md5 48ed562828454d94088790b2b975672d
sha1 90efecce4d11501d6ab1e25dd60f97bc790caeb9
sha256 d80746068d216b246d7d01b8c7a7913de14877e66ae5f6209ef42614ddb28abf
sha512 a046c94f3cb08918b7af1e46ee679ebc39def0256ea55d23ff7fb5f6e4cfc8c41e2be388fcd1accc85190537202f7e30714740971bc56bae72932b99c27d1758
ripemd-160 ac29d54684f9b3c880371fb8f212109a00dd4f6c

28821493 as geometric shapes

Circle

Radius = n
Diameter 57642986
Circumference 181090781.34858
Area 2.6096533435013E+15

Sphere

Radius = n
Volume 1.002854740962E+23
Surface area 1.0438613374005E+16
Circumference 181090781.34858

Square

Length = n
Perimeter 115285972
Area 830678458749049
Diagonal 40759746.288441

Cube

Length = n
Surface area 4984070752494294
Volume 2.3941393384087E+22
Space diagonal 49920290.225991

Equilateral Triangle

Length = n
Perimeter 86464479
Area 3.5969432382659E+14
Altitude 24960145.112995

Triangular Pyramid

Length = n
Surface area 3.5969432382659E+14
Volume 2.8215202688237E+21
Height 13586582.096147