28809742 is an even 8-digits composite number following 28809741
and preceding 28809743 . In scientific notation, it is written as 2.8809742 × 10^7.
The sum of its digits is 40. It has a total of 5 prime factors and 32 positive divisors.
There are 12773376 positive integers (up to 28809742) that are relatively prime to 28809742.
28809742 has 32 divisors, whose sum is 48410208
The reverse of 28809742 is 24790882
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-eight million eight hundred nine thousand seven hundred forty-two
Scientific notation
2.8809742 × 10^7
Engineering notation
2.8809742 × 10^6
Prime Factorization
2 × 73 × 43 × 13 × 353
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
28809742
Product of the distinct prime numbers
The prime factorization of 28809742 is 2 × 73 × 43 × 13 × 353.
Since it has a total of 5 prime factors.
9 , 8 , 27 , 66 , 987 , 4 , 8397 , 435 , 56774 , 64277 , 203014 , 782423 , 3621632 , 2581563 , 94160614 , 85206822 , 613368199 , 731660489 , 7385277654 , 7527811295
n×2
57619484
n×3
86429226
n×4
115238968
n×5
144048710
n÷2
14404871
n÷3
9603247.3333333
n÷3
7202435.5
n÷5
5761948.4
n2
830001234106564
n3
2.3912121414292E+22
n4
6.8890204861842E+29
n5
1.9847090283968E+37
2 √n
5367.4707265154
3 √n
306.55833103562
4 √n
73.263024279069
5 √n
31.039010927534
1 , 2 , 13 , 26 , 43 , 73 , 86 , 146 , 353 , 559 , 706 , 949 , 1118 , 1898 , 3139 , 4589 , 6278 , 9178 , 15179 , 25769 , 30358 , 40807 , 51538 , 81614 , 197327 , 334997 , 394654 , 669994 , 1108067 , 2216134 , 14404871 , 28809742
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
-28809741
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 28809742 can be divided by 32 positive divisors.
The sum of these divisors (counting 28809742) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101101111001101000001110
3
Ternary
2000012200112111
4
Quaternary
1231321220032
5
Quinary
24333402432
6
Senary
2505254234
8
Octal
155715016
10
Decimal
28809742
12
Duodecimal
979437a
16
Hexadecimal
1b79a0e
20
Vigesimal
901472
36
Base36
h5hqm
md5
1a4445d3ba9603129be05fee402fac6f
sha1
7b70212801cb0bba7c5666694d4dd7e1546f365f
sha256
35abb9c0b5d398a820262dc2acd97c09771a01d5a37cc98648eb864fd1eef49d
sha512
1f21584914da92e99e980357701b05ff5ea364be56bd2a26b5ec1497897b3855d079204ee00e0e510cacee2dd0fe596041c098f15e4cd353949641e6852c680b
ripemd-160
63fa5ed03c5627b72c062703398342b6fbac7609
Diameter
57619484
Circumference
181016947.63803
Area
2.6075257795396E+15
Volume
1.0016285995585E+23
Surface area
1.0430103118159E+16
Circumference
181016947.63803
Perimeter
115238968
Area
830001234106564
Diagonal
40743127.86487
Surface area
4980007404639384
Volume
2.3912121414292E+22
Space diagonal
49899936.896951
Perimeter
86429226
Area
3.5940107695436E+14
Altitude
24949968.448475
Surface area
3.5940107695436E+14
Volume
2.8180705341003E+21
Height
13581042.621623