28542 is an even 5-digits composite number following 28541
and preceding 28543 . In scientific notation, it is written as 2.8542 × 10^4.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 9240 positive integers (up to 28542) that are relatively prime to 28542.
28542 has 16 divisors, whose sum is 58752
The reverse of 28542 is 24582
Previous prime number is 67
Is Prime? no
Number parity even
Number length 5
Sum of Digits 21
Digital Root 3
Name
twenty-eight thousand five hundred forty-two
Scientific notation
2.8542 × 10^4
Engineering notation
2.8542 × 10^3
Prime Factorization
2 × 3 × 67 × 71
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28542
Product of the distinct prime numbers
The prime factorization of 28542 is 2 × 3 × 67 × 71.
Since it has a total of 4 prime factors.
6 , 5 , 92 , 88 , 621 , 915 , 6644 , 9586 , 61004 , 9827 , 833242 , 564213 , 230391 , 776847 , 57182590 , 47430990 , 445661230 , 881727678 , 3147109243 , 9352663968
n×2
57084
n×3
85626
n×4
114168
n×5
142710
n÷2
14271
n÷3
9514
n÷3
7135.5
n÷5
5708.4
n2
814645764
n3
23251619396088
n4
663647720803143696
n5
1.8941833247163E+22
2 √n
168.94377763031
3 √n
30.560571199908
4 √n
12.997837421291
5 √n
7.7821013111689
1 , 2 , 3 , 6 , 67 , 71 , 134 , 142 , 201 , 213 , 402 , 426 , 4757 , 9514 , 14271 , 28542
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28541
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28542 can be divided by 16 positive divisors.
The sum of these divisors (counting 28542) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110111101111110
3
Ternary
1110011010
4
Quaternary
12331332
5
Quinary
1403132
6
Senary
340050
8
Octal
67576
10
Decimal
28542
12
Duodecimal
14626
16
Hexadecimal
6f7e
20
Vigesimal
3b72
36
Base36
m0u
md5
09bd2862fe3035ad3223816b439045e3
sha1
09bea0c6ca163e11156ee5110acc44db5c72fabc
sha256
0bcc7c316c384096ff9d72ad45c1fc509d640a07effba4fc58bd2ce1bbb286e7
sha512
411bcf848612313282961d1ae146a073f6fe4e26aa2d0dabac5214ffacf753bec85e08f1011a18d44bef6e3cda86080b182fff49769860a49b1a11f4362959ee
ripemd-160
16fa4bcd969de6dc2b22a6012760b456613ea0af
Diameter
57084
Circumference
179334.67503752
Area
2559285147.4604
Volume
97396155571755
Surface area
10237140589.842
Circumference
179334.67503752
Perimeter
114168
Area
814645764
Diagonal
40364.483497253
Surface area
4887874584
Volume
23251619396088
Space diagonal
49436.194149631
Perimeter
85626
Area
352751963.35469
Altitude
24718.097074815
Surface area
352751963.35469
Volume
2740229624757.1
Height
13454.827832418