28128210 is an even 8-digits composite number following 28128209
and preceding 28128211 . In scientific notation, it is written as 2.8128210 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 6818880 positive integers (up to 28128210) that are relatively prime to 28128210.
28128210 has 16 divisors, whose sum is 49097088
The reverse of 28128210 is 01282182
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-eight million one hundred twenty-eight thousand two hundred ten
Scientific notation
2.8128210 × 10^7
Engineering notation
2.8128210 × 10^6
Prime Factorization
2 × 15 × 11 × 85237
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28128210
Product of the distinct prime numbers
The prime factorization of 28128210 is 2 × 15 × 11 × 85237.
Since it has a total of 4 prime factors.
4 , 10 , 21 , 41 , 313 , 610 , 3364 , 8896 , 80848 , 62869 , 593268 , 125552 , 7147216 , 2618865 , 55788563 , 37405749 , 463400963 , 6321585 , 9532878640 , 9953905982
n×2
56256420
n×3
84384630
n×4
112512840
n×5
140641050
n÷2
14064105
n÷3
9376070
n÷3
7032052.5
n÷5
5625642
n2
791196197804100
n3
2.2254932803035E+22
n4
6.2599142341966E+29
n5
1.7608018216147E+37
2 √n
5303.6034919666
3 √n
304.12166903833
4 √n
72.825843571953
5 √n
30.890747612886
1 , 2 , 11 , 15 , 22 , 30 , 165 , 330 , 85237 , 170474 , 937607 , 1278555 , 1875214 , 2557110 , 14064105 , 28128210
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28128209
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28128210 can be divided by 16 positive divisors.
The sum of these divisors (counting 28128210) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101011010011001111010010
3
Ternary
1221221001122120
4
Quaternary
1223103033102
5
Quinary
24200100320
6
Senary
2442515110
8
Octal
153231722
10
Decimal
28128210
12
Duodecimal
9505a96
16
Hexadecimal
1ad33d2
20
Vigesimal
8fg0aa
36
Base36
gqvv6
md5
9e114c3b1f5686c245128755a08afbed
sha1
3416ecca488da33a8fcc28a95715900f804d8631
sha256
309447fd896f2e0f966707a0d84bc4f02608fb0512ff1ca51ff501ac3b47539a
sha512
03403966f59875565467234092afa7c3d3bf9806e7d688bd8e5e7bb95e164637ac5af86ec1531437a91211d952c40a88977ed90237515138cee3051d4b21bd96
ripemd-160
8ece55d9165868499a54588becc0b838b7b151a3
Diameter
56256420
Circumference
176734755.78926
Area
2.4856161625695E+15
Volume
9.3221244533533E+22
Surface area
9.9424646502782E+15
Circumference
176734755.78926
Perimeter
112512840
Area
791196197804100
Diagonal
39779296.067279
Surface area
4747177186824600
Volume
2.2254932803035E+22
Space diagonal
48719488.845967
Perimeter
84384630
Area
3.42598003338E+14
Altitude
24359744.422983
Surface area
3.42598003338E+14
Volume
2.6227689833129E+21
Height
13259765.35576