28266720 is an even 8-digits composite number following 28266719
and preceding 28266721 . In scientific notation, it is written as 2.8266720 × 10^7.
The sum of its digits is 33. It has a total of 7 prime factors and 24 positive divisors.
There are 7537664 positive integers (up to 28266720) that are relatively prime to 28266720.
28266720 has 24 divisors, whose sum is 59361120
The reverse of 28266720 is 02766282
Previous prime number is 15
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-eight million two hundred sixty-six thousand seven hundred twenty
Scientific notation
2.8266720 × 10^7
Engineering notation
2.8266720 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 15 × 58889
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
1766670
Product of the distinct prime numbers
The prime factorization of 28266720 is 2 × 2 × 2 × 2 × 2 × 15 × 58889.
Since it has a total of 7 prime factors.
4 , 8 , 41 , 31 , 126 , 828 , 5940 , 9865 , 73439 , 59146 , 318265 , 283998 , 1165823 , 7581776 , 72892388 , 9032849 , 773278255 , 349043188 , 1154387480 , 5791800255
n×2
56533440
n×3
84800160
n×4
113066880
n×5
141333600
n÷2
14133360
n÷3
9422240
n÷3
7066680
n÷5
5653344
n2
799007459558400
n3
2.2585320137249E+22
n4
6.3841292042997E+29
n5
1.8045839266176E+37
2 √n
5316.6455589968
3 √n
304.62004105492
4 √n
72.915331439943
5 √n
30.921110544448
1 , 2 , 4 , 8 , 15 , 16 , 30 , 32 , 60 , 120 , 240 , 480 , 58889 , 117778 , 235556 , 471112 , 883335 , 942224 , 1766670 , 1884448 , 3533340 , 7066680 , 14133360 , 28266720
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28266719
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28266720 can be divided by 24 positive divisors.
The sum of these divisors (counting 28266720) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101011110101000011100000
3
Ternary
1222012002122120
4
Quaternary
1223311003200
5
Quinary
24214013340
6
Senary
2445504240
8
Octal
153650340
10
Decimal
28266720
12
Duodecimal
9572080
16
Hexadecimal
1af50e0
20
Vigesimal
8gd6g0
36
Base36
gtuqo
md5
66acc13e93e0ec5b1e188fb6cfc56925
sha1
47f08992ce293794ee1df1c20887514b26e34467
sha256
e694b71018b02eaf51857146ef15c2498a8f2aa7e6fd131a94a1aae9b3ded71e
sha512
cc1cf3bee7c38b390c00cd6cce7753547d44da37b1a49425b13d7395f232c1a45a23237d5f9a2abdb53f0cc54bf6ae785252e1682125eb19d4928983c5a16e16
ripemd-160
06f13a482d910fc734c9de5dc23370569516f60c
Diameter
56533440
Circumference
177605039.78616
Area
2.5101559651121E+15
Volume
9.4605167762872E+22
Surface area
1.0040623860448E+16
Circumference
177605039.78616
Perimeter
113066880
Area
799007459558400
Diagonal
39975178.787803
Surface area
4794044757350400
Volume
2.2585320137249E+22
Space diagonal
48959395.203323
Perimeter
84800160
Area
3.4598037889542E+14
Altitude
24479697.601662
Surface area
3.4598037889542E+14
Volume
2.6617055040529E+21
Height
13325059.595934