7128900 is an even 7-digits composite number following 7128899
and preceding 7128901 . In scientific notation, it is written as 7.128900 × 10^6.
The sum of its digits is 27. It has a total of 6 prime factors and 36 positive divisors.
There are 1879680 positive integers (up to 7128900) that are relatively prime to 7128900.
7128900 has 36 divisors, whose sum is 15477252
The reverse of 7128900 is 0098217
Previous prime number is 89
Is Prime? no
Number parity even
Number length 7
Sum of Digits 27
Digital Root 9
Name
seven million one hundred twenty-eight thousand nine hundred
Scientific notation
7.128900 × 10^6
Engineering notation
7.128900 × 10^6
Prime Factorization
2 × 2 × 45 × 5 × 89 × 89
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
40050
Product of the distinct prime numbers
The prime factorization of 7128900 is 2 × 2 × 45 × 5 × 89 × 89.
Since it has a total of 6 prime factors.
5 , 10 , 47 , 48 , 570 , 280 , 8347 , 718 , 85750 , 21683 , 26674 , 107956 , 1851222 , 3490341 , 55212149 , 4477242 , 421788518 , 172456095 , 125565904 , 5102871636
n×2
14257800
n×3
21386700
n×4
28515600
n×5
35644500
n÷2
3564450
n÷3
2376300
n÷3
1782225
n÷5
1425780
n2
50821215210000
n3
3.6229936111057E+20
n4
2.5827959154211E+27
n5
1.8412493801446E+34
2 √n
2670
3 √n
192.46015929304
4 √n
51.672042731055
5 √n
23.474940736578
1 , 2 , 4 , 5 , 10 , 20 , 45 , 89 , 90 , 178 , 180 , 225 , 356 , 445 , 450 , 890 , 900 , 1780 , 4005 , 7921 , 8010 , 15842 , 16020 , 20025 , 31684 , 39605 , 40050 , 79210 , 80100 , 158420 , 356445 , 712890 , 1425780 , 1782225 , 3564450 , 7128900
36 divisors
τ
Total Divisors
36
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-7128899
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.027777777777778
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
36
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 7128900 can be divided by 36 positive divisors.
The sum of these divisors (counting 7128900) is 1, the average is 0.027777777777778.
Base
System
Value
2
Binary
11011001100011101000100
3
Ternary
111102012000100
4
Quaternary
123030131010
5
Quinary
3311111100
6
Senary
412444100
8
Octal
33143504
10
Decimal
7128900
12
Duodecimal
2479630
16
Hexadecimal
6cc744
20
Vigesimal
24b250
36
Base36
48sp0
md5
42f7ece7b0bc27ae11689f542f4e9f75
sha1
93dc796da8e0e36c329a8be1243d79c54d050fc3
sha256
a8a9c25fcd77161187df78bb7abebfad667a5789246d14d1227130d7647f856a
sha512
237f5f134fbe2e37ae7a8f1f49eb1178292ee28bdb8ccb5ae785d8f17b75ec2386c15c6b7a8f462e22ea6a01ba2f78590a1cfffc5fa593ca5159cd9dff582c65
ripemd-160
5014382807767ead7aaa32ab5aae69161d0bc48b
Diameter
14257800
Circumference
44792199.736353
Area
1.5965955635024E+14
Volume
1.5175960150203E+21
Surface area
6.3863822540097E+14
Circumference
44792199.736353
Perimeter
28515600
Area
50821215210000
Diagonal
10081787.064802
Surface area
304927291260000
Volume
3.6229936111057E+20
Space diagonal
12347617.002078
Perimeter
21386700
Area
22006231711528
Altitude
6173808.5010389
Surface area
22006231711528
Volume
4.2697389176806E+19
Height
3360595.6882672