7128081 is an odd 7-digits composite number following 7128080
and preceding 7128082 . In scientific notation, it is written as 7.128081 × 10^6.
The sum of its digits is 27. It has a total of 4 prime factors and 10 positive divisors.
There are 4752000 positive integers (up to 7128081) that are relatively prime to 7128081.
7128081 has 10 divisors, whose sum is 10648242
The reverse of 7128081 is 1808217
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 27
Digital Root 9
Name
seven million one hundred twenty-eight thousand eighty-one
Scientific notation
7.128081 × 10^6
Engineering notation
7.128081 × 10^6
Prime Factorization
9 × 3 × 3 × 88001
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2376027
Product of the distinct prime numbers
The prime factorization of 7128081 is 9 × 3 × 3 × 88001.
Since it has a total of 4 prime factors.
7 , 10 , 31 , 56 , 167 , 614 , 6291 , 8545 , 99675 , 55804 , 902463 , 629847 , 3315767 , 6264965 , 59958069 , 18435278 , 301410373 , 149470072 , 6792022520 , 4429990388
n×2
14256162
n×3
21384243
n×4
28512324
n×5
35640405
n÷2
3564040.5
n÷3
2376027
n÷3
1782020.25
n÷5
1425616.2
n2
50809538742561
n3
3.6217450772961E+20
n4
2.5816092272318E+27
n5
1.8401919682056E+34
2 √n
2669.8466248082
3 √n
192.45278878206
4 √n
51.670558588119
5 √n
23.474401330498
10 divisors
τ
Total Divisors
10
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-7128080
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.1
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
10
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 7128081 can be divided by 10 positive divisors.
The sum of these divisors (counting 7128081) is 1, the average is 0.1.
Base
System
Value
2
Binary
11011001100010000010001
3
Ternary
111102010220000
4
Quaternary
123030100101
5
Quinary
3311044311
6
Senary
412440213
8
Octal
33142021
10
Decimal
7128081
12
Duodecimal
2479069
16
Hexadecimal
6cc411
20
Vigesimal
24b041
36
Base36
48s29
md5
21f6ec4fef0d2f5846c063d8f85e12d9
sha1
577ece8dd3d87050dc285695be23df8381306c07
sha256
2269c7ad36a54196a37fe33bbc8b61b6b29c22d8202ff6623633b2d85735b3ba
sha512
c087131d409bc1f3f45679b45aaa04ff9385dabe649b1b2b731bad37eefc510c6276a57921fb1e623e7e209348712aa10f05ce29863a793882a1a2712a3f8de6
ripemd-160
1dea33b5bfe0d027a5ca0604c76b2b8c9b67196b
Diameter
14256162
Circumference
44787053.807586
Area
1.5962287364592E+14
Volume
1.5170730304011E+21
Surface area
6.3849149458366E+14
Circumference
44787053.807586
Perimeter
28512324
Area
50809538742561
Diagonal
10080628.823894
Surface area
304857232455366
Volume
3.6217450772961E+20
Space diagonal
12346198.452466
Perimeter
21384243
Area
22001175652814
Altitude
6173099.2262332
Surface area
22001175652814
Volume
4.2682675064752E+19
Height
3360209.6079647