28131544 is an even 8-digits composite number following 28131543
and preceding 28131545 . In scientific notation, it is written as 2.8131544 × 10^7.
The sum of its digits is 28. It has a total of 6 prime factors and 32 positive divisors.
There are 11729664 positive integers (up to 28131544) that are relatively prime to 28131544.
28131544 has 32 divisors, whose sum is 61915680
The reverse of 28131544 is 44513182
Previous prime number is 37
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-eight million one hundred thirty-one thousand five hundred forty-four
Scientific notation
2.8131544 × 10^7
Engineering notation
2.8131544 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 37 × 13577
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
7032886
Product of the distinct prime numbers
The prime factorization of 28131544 is 2 × 2 × 2 × 7 × 37 × 13577.
Since it has a total of 6 prime factors.
5 , 2 , 1 , 49 , 204 , 704 , 2142 , 275 , 72053 , 60681 , 490368 , 120690 , 5449825 , 9100346 , 49125227 , 33097896 , 743258394 , 413896223 , 3529382655 , 2843068476
n×2
56263088
n×3
84394632
n×4
112526176
n×5
140657720
n÷2
14065772
n÷3
9377181.3333333
n÷3
7032886
n÷5
5626308.8
n2
791383767823936
n3
2.2262847285425E+22
n4
6.2628826797521E+29
n5
1.7618455967228E+37
2 √n
5303.9177972514
3 √n
304.13368427839
4 √n
72.828001464076
5 √n
30.891479866165
1 , 2 , 4 , 7 , 8 , 14 , 28 , 37 , 56 , 74 , 148 , 259 , 296 , 518 , 1036 , 2072 , 13577 , 27154 , 54308 , 95039 , 108616 , 190078 , 380156 , 502349 , 760312 , 1004698 , 2009396 , 3516443 , 4018792 , 7032886 , 14065772 , 28131544
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28131543
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28131544 can be divided by 32 positive divisors.
The sum of these divisors (counting 28131544) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101011010100000011011000
3
Ternary
1221221020020001
4
Quaternary
1223110003120
5
Quinary
24200202134
6
Senary
2442542344
8
Octal
153240330
10
Decimal
28131544
12
Duodecimal
95079b4
16
Hexadecimal
1ad40d8
20
Vigesimal
8fg8h4
36
Base36
gqyfs
md5
64719a26f4273d09fc428df8fc2792b8
sha1
b43a75192106a1729e13d81001074014541326a4
sha256
9e08aadc61bd71b9ec9bec63b70327c6bc6a45d91153b34a4310c15a7dc189d3
sha512
a57ebe2eb66370199ed72dc15f5916113852ffda32b0b2bd299cf0fbafcbde9967e05f3974e0a43c125987c68c43b9712bb543f3876ec96c2be2559ef8611dd6
ripemd-160
01e0703373a1fae6e39ae22f1d4b58b98c302a98
Diameter
56263088
Circumference
176755703.92908
Area
2.4862054311659E+15
Volume
9.3254396639843E+22
Surface area
9.9448217246636E+15
Circumference
176755703.92908
Perimeter
112526176
Area
791383767823936
Diagonal
39784011.055295
Surface area
4748302606943616
Volume
2.2262847285425E+22
Space diagonal
48725263.503359
Perimeter
84394632
Area
3.4267922353909E+14
Altitude
24362631.75168
Surface area
3.4267922353909E+14
Volume
2.6237017140074E+21
Height
13261337.018432