28821488 (number)

28821488 is an even 8-digits composite number following 28821487 and preceding 28821489. In scientific notation, it is written as 2.8821488 × 10^7. The sum of its digits is 41. It has a total of 6 prime factors and 20 positive divisors. There are 14348544 positive integers (up to 28821488) that are relatively prime to 28821488.

Interesting facts

Basic properties

Name

Name twenty-eight million eight hundred twenty-one thousand four hundred eighty-eight

Notation

Scientific notation 2.8821488 × 10^7
Engineering notation 2.8821488 × 10^6

Prime Factorization of 28821488

Prime Factorization 2 × 2 × 2 × 2 × 239 × 7537

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 3602686
Product of the distinct prime numbers

The prime factorization of 28821488 is 2 × 2 × 2 × 2 × 239 × 7537. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28821488)

Multiplication

n×y
n×2 57642976
n×3 86464464
n×4 115285952
n×5 144107440

Division

n÷y
n÷2 14410744
n÷3 9607162.6666667
n÷3 7205372
n÷5 5764297.6

Exponentiation

ny
n2 830678170534144
n3 2.3941380923912E+22
n4 6.9002622300195E+29
n5 1.9887582505936E+37

Nth Root

y√n
2√n 5368.5647989011
3√n 306.59998760331
4√n 73.270490641875
5√n 31.041541493613

Divisors of 28821488

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28821487
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28821488 can be divided by 20 positive divisors. The sum of these divisors (counting 28821488) is 1, the average is 0.05.

Base conversion 28821488

Base System Value
2 Binary 1101101111100011111110000
3 Ternary 2000020021122112
4 Quaternary 1231330133300
5 Quinary 24334241423
6 Senary 2505424452
8 Octal 155743760
10 Decimal 28821488
12 Duodecimal 979b128
16 Hexadecimal 1b7c7f0
20 Vigesimal 902de8
36 Base36 h5qsw

Cryptographic Hash Functions

md5 18ebdfdbd638dc3172ca89e352ee7bb9
sha1 c8c8592548de6bd1e8c8d4b96c5604b0eecc04c0
sha256 5b06cfdf18eb80e355a817bf7e765f16b0ebe8559fe5846c3eeee7ac017847b1
sha512 4193b79471c88f8e08929999dfbb44d509e867b1dfe62d6bf58528ded06c528d48b1058d88e999a20b3beecb98c87a8347680b4da4d13743fa5a8fa3d588d7ec
ripemd-160 82c76d6dca49b07c847d49ab7bf36b2a61a4ab3f

28821488 as geometric shapes

Circle

Radius = n
Diameter 57642976
Circumference 181090749.93265
Area 2.6096524380475E+15

Sphere

Radius = n
Volume 1.0028542190314E+23
Surface area 1.043860975219E+16
Circumference 181090749.93265

Square

Length = n
Perimeter 115285952
Area 830678170534144
Diagonal 40759739.217373

Cube

Length = n
Surface area 4984069023204864
Volume 2.3941380923912E+22
Space diagonal 49920281.565737

Equilateral Triangle

Length = n
Perimeter 86464464
Area 3.5969419902588E+14
Altitude 24960140.782868

Triangular Pyramid

Length = n
Surface area 3.5969419902588E+14
Volume 2.821518800378E+21
Height 13586579.739124