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.
28481531 has 4 divisors, whose sum is 30672432
The reverse of 28481531 is 13518482
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-eight million four hundred eighty-one thousand five hundred thirty-one
Scientific notation
2.8481531 × 10^7
Engineering notation
2.8481531 × 10^6
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.
7 , 6 , 14 , 71 , 149 , 260 , 1081 , 9074 , 56262 , 54270 , 522758 , 482131 , 3930478 , 6711987 , 80483377 , 48584032 , 463638979 , 870874023 , 7884966239 , 7695407556
n×2
56963062
n×3
85444593
n×4
113926124
n×5
142407655
n÷2
14240765.5
n÷3
9493843.6666667
n÷3
7120382.75
n÷5
5696306.2
n2
811197608103961
n3
2.3104149822339E+22
n4
6.5804155939359E+29
n5
1.8742031073157E+37
2 √n
5336.8090653498
3 √n
305.38974094464
4 √n
73.053467168573
5 √n
30.96796490528
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
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
md5
53ae21192b4c5151ef17e6a077074d45
sha1
c80eee78d08fc7fd64c965f413b77680720883a6
sha256
2e812290e39f6d4a73d61d63299608c5093afc2efd02277a776b0d0440672b35
sha512
c5ace1a6c157f19fbe9c962694797bfe49303ab79e4cc304a585f56f374b6160e268309d206ef99cb6ba582415d2006c0ef687c8454ae75094aab4faa99c80a5
ripemd-160
00d9f7d3195be7d20f8708141af966eaa5e5e9bb
Diameter
56963062
Circumference
178954737.10518
Area
2.548452446229E+15
Volume
9.677843646573E+22
Surface area
1.0193809784916E+16
Circumference
178954737.10518
Perimeter
113926124
Area
811197608103961
Diagonal
40278967.41735
Surface area
4867185648623766
Volume
2.3104149822339E+22
Space diagonal
49331458.769348
Perimeter
85444593
Area
3.512588680536E+14
Altitude
24665729.384674
Surface area
3.512588680536E+14
Volume
2.722850168821E+21
Height
13426322.47245