28481531 (number)

28481531 is an odd 8-digits composite number following 28481530 and preceding 28481532. In scientific notation, it is written as 2.8481531 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 26290632 positive integers (up to 28481531) that are relatively prime to 28481531.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8481531 × 10^7
Engineering notation 2.8481531 × 10^6

Prime Factorization of 28481531

Prime Factorization 13 × 2190887

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28481531
Product of the distinct prime numbers

The prime factorization of 28481531 is 13 × 2190887. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28481531)

Multiplication

n×y
n×2 56963062
n×3 85444593
n×4 113926124
n×5 142407655

Division

n÷y
n÷2 14240765.5
n÷3 9493843.6666667
n÷3 7120382.75
n÷5 5696306.2

Exponentiation

ny
n2 811197608103961
n3 2.3104149822339E+22
n4 6.5804155939359E+29
n5 1.8742031073157E+37

Nth Root

y√n
2√n 5336.8090653498
3√n 305.38974094464
4√n 73.053467168573
5√n 30.96796490528

Divisors of 28481531

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 -28481530
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 28481531 can be divided by 4 positive divisors. The sum of these divisors (counting 28481531) is 1, the average is 0.25.

Base conversion 28481531

Base System Value
2 Binary 1101100101001011111111011
3 Ternary 1222121000022112
4 Quaternary 1230221133323
5 Quinary 24242402111
6 Senary 2454242535
8 Octal 154513773
10 Decimal 28481531
12 Duodecimal 965644b
16 Hexadecimal 1b297fb
20 Vigesimal 8i03gb
36 Base36 gyghn

Cryptographic Hash Functions

md5 53ae21192b4c5151ef17e6a077074d45
sha1 c80eee78d08fc7fd64c965f413b77680720883a6
sha256 2e812290e39f6d4a73d61d63299608c5093afc2efd02277a776b0d0440672b35
sha512 c5ace1a6c157f19fbe9c962694797bfe49303ab79e4cc304a585f56f374b6160e268309d206ef99cb6ba582415d2006c0ef687c8454ae75094aab4faa99c80a5
ripemd-160 00d9f7d3195be7d20f8708141af966eaa5e5e9bb

28481531 as geometric shapes

Circle

Radius = n
Diameter 56963062
Circumference 178954737.10518
Area 2.548452446229E+15

Sphere

Radius = n
Volume 9.677843646573E+22
Surface area 1.0193809784916E+16
Circumference 178954737.10518

Square

Length = n
Perimeter 113926124
Area 811197608103961
Diagonal 40278967.41735

Cube

Length = n
Surface area 4867185648623766
Volume 2.3104149822339E+22
Space diagonal 49331458.769348

Equilateral Triangle

Length = n
Perimeter 85444593
Area 3.512588680536E+14
Altitude 24665729.384674

Triangular Pyramid

Length = n
Surface area 3.512588680536E+14
Volume 2.722850168821E+21
Height 13426322.47245