28892720 is an even 8-digits composite number following 28892719
and preceding 28892721 . In scientific notation, it is written as 2.8892720 × 10^7.
The sum of its digits is 38. It has a total of 6 prime factors and 20 positive divisors.
There are 11557056 positive integers (up to 28892720) that are relatively prime to 28892720.
28892720 has 20 divisors, whose sum is 67175760
The reverse of 28892720 is 02729882
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-eight million eight hundred ninety-two thousand seven hundred twenty
Scientific notation
2.8892720 × 10^7
Engineering notation
2.8892720 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5 × 361159
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3611590
Product of the distinct prime numbers
The prime factorization of 28892720 is 2 × 2 × 2 × 2 × 5 × 361159.
Since it has a total of 6 prime factors.
2 , 7 , 28 , 14 , 606 , 281 , 282 , 8031 , 62162 , 50249 , 718637 , 879745 , 4084637 , 5593447 , 17119871 , 22995353 , 998932154 , 591539763 , 9977737332 , 4913464116
n×2
57785440
n×3
86678160
n×4
115570880
n×5
144463600
n÷2
14446360
n÷3
9630906.6666667
n÷3
7223180
n÷5
5778544
n2
834789268998400
n3
2.4119332608175E+22
n4
6.9687312363488E+29
n5
2.0134560036708E+37
2 √n
5375.1948801881
3 √n
306.8523659996
4 √n
73.315720552881
5 √n
31.056870114988
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80 , 361159 , 722318 , 1444636 , 1805795 , 2889272 , 3611590 , 5778544 , 7223180 , 14446360 , 28892720
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28892719
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28892720 can be divided by 20 positive divisors.
The sum of these divisors (counting 28892720) is 1, the average is 0.05.
Base
System
Value
2
Binary
1101110001101111000110000
3
Ternary
2000100220100202
4
Quaternary
1232031320300
5
Quinary
24344031340
6
Senary
2511134332
8
Octal
156157060
10
Decimal
28892720
12
Duodecimal
98143a8
16
Hexadecimal
1b8de30
20
Vigesimal
90bbg0
36
Base36
h79rk
md5
bf8231c061942d63b36dd287189f0a61
sha1
64c7231b53d980617bbac488fdde5097415d8feb
sha256
cfd5b006177804fa50118c77156a6ce67b84718b342cb12b589717c3e724ae99
sha512
33c62e19118a95da094155bf1e57e18461dae90416156f15840d5197282e1816207d864b4faa2d74b8a88d0fcd3cc1f574c3d121f19b1f60c20602deb4dcbbe1
ripemd-160
e27f4bcfaa3ae9ef4ca117f15d11fb72ee56fc07
Diameter
57785440
Circumference
181538313.78845
Area
2.622567834781E+15
Volume
1.0103082417511E+23
Surface area
1.0490271339124E+16
Circumference
181538313.78845
Perimeter
115570880
Area
834789268998400
Diagonal
40860476.477848
Surface area
5008735613990400
Volume
2.4119332608175E+22
Space diagonal
50043659.008861
Perimeter
86678160
Area
3.6147435687963E+14
Altitude
25021829.504431
Surface area
3.6147435687963E+14
Volume
2.8424906074891E+21
Height
13620158.825949