28492720 is an even 8-digits composite number following 28492719
and preceding 28492721 . In scientific notation, it is written as 2.8492720 × 10^7.
The sum of its digits is 34. It has a total of 6 prime factors and 20 positive divisors.
There are 11028480 positive integers (up to 28492720) that are relatively prime to 28492720.
28492720 has 20 divisors, whose sum is 55565640
The reverse of 28492720 is 02729482
Previous prime number is 155
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-eight million four hundred ninety-two thousand seven hundred twenty
Scientific notation
2.8492720 × 10^7
Engineering notation
2.8492720 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 155 × 11489
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3561590
Product of the distinct prime numbers
The prime factorization of 28492720 is 2 × 2 × 2 × 2 × 155 × 11489.
Since it has a total of 6 prime factors.
10 , 2 , 58 , 7 , 27 , 126 , 4116 , 2890 , 27475 , 48727 , 999356 , 401489 , 9223003 , 5973574 , 3728677 , 17295613 , 518858627 , 929047663 , 8933517880 , 3198225138
n×2
56985440
n×3
85478160
n×4
113970880
n×5
142463600
n÷2
14246360
n÷3
9497573.3333333
n÷3
7123180
n÷5
5698544
n2
811835092998400
n3
2.3131389990977E+22
n4
6.5907621822372E+29
n5
1.8778874144507E+37
2 √n
5337.8572479976
3 √n
305.42972660472
4 √n
73.060640895064
5 √n
30.970397682667
1 , 2 , 4 , 8 , 16 , 155 , 310 , 620 , 1240 , 2480 , 11489 , 22978 , 45956 , 91912 , 183824 , 1780795 , 3561590 , 7123180 , 14246360 , 28492720
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
-28492719
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 28492720 can be divided by 20 positive divisors.
The sum of these divisors (counting 28492720) is 1, the average is 0.05.
Base
System
Value
2
Binary
1101100101100001110110000
3
Ternary
1222121120122221
4
Quaternary
1230230032300
5
Quinary
24243231340
6
Senary
2454410424
8
Octal
154541660
10
Decimal
28492720
12
Duodecimal
9660a14
16
Hexadecimal
1b2c3b0
20
Vigesimal
8i1bg0
36
Base36
gyp4g
md5
72ce85cab90f2367e34acc91c3e113b5
sha1
630e843842e7493df9af4ec8ea948933e596b29d
sha256
bc29eeb6d808190a94f4e320ce97a878a549b4038a2700b7432ba2ef73c99257
sha512
ed5e6a99733471aa55135c9bace5a383ce642b8ae650addcfae72bd1eabd97cebd58f1db4b987e1ec91466cd1bdd7fce6cf938429de649af22fbbc63943c7af7
ripemd-160
bf67f9c5058037bee3a5ae2dd8b5bac5e0df5e8a
Diameter
56985440
Circumference
179025039.66558
Area
2.5504551640902E+15
Volume
9.68925398173E+22
Surface area
1.0201820656361E+16
Circumference
179025039.66558
Perimeter
113970880
Area
811835092998400
Diagonal
40294791.052899
Surface area
4871010557990400
Volume
2.3131389990977E+22
Space diagonal
49350838.685834
Perimeter
85478160
Area
3.5153490711016E+14
Altitude
24675419.342917
Surface area
3.5153490711016E+14
Volume
2.7260604534818E+21
Height
13431597.017633