7128940 is an even 7-digits composite number following 7128939
and preceding 7128941 . In scientific notation, it is written as 7.128940 × 10^6.
The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors.
There are 2255616 positive integers (up to 7128940) that are relatively prime to 7128940.
7128940 has 24 divisors, whose sum is 14480928
The reverse of 7128940 is 0498217
Previous prime number is 65
Is Prime? no
Number parity even
Number length 7
Sum of Digits 31
Digital Root 4
Name
seven million one hundred twenty-eight thousand nine hundred forty
Scientific notation
7.128940 × 10^6
Engineering notation
7.128940 × 10^6
Prime Factorization
2 × 2 × 7 × 65 × 3917
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
3564470
Product of the distinct prime numbers
The prime factorization of 7128940 is 2 × 2 × 7 × 65 × 3917.
Since it has a total of 5 prime factors.
10 , 9 , 84 , 91 , 581 , 612 , 9602 , 8921 , 60397 , 1336 , 841215 , 72958 , 63426 , 4620785 , 53345145 , 72636683 , 955904358 , 93001153 , 2903003610 , 153902298
n×2
14257880
n×3
21386820
n×4
28515760
n×5
35644700
n÷2
3564470
n÷3
2376313.3333333
n÷3
1782235
n÷5
1425788
n2
50821785523600
n3
3.6230545969061E+20
n4
2.5828538838068E+27
n5
1.8413010366426E+34
2 √n
2670.0074906262
3 √n
192.4605192547
4 √n
51.672115213393
5 √n
23.474967079927
1 , 2 , 4 , 7 , 14 , 28 , 65 , 130 , 260 , 455 , 910 , 1820 , 3917 , 7834 , 15668 , 27419 , 54838 , 109676 , 254605 , 509210 , 1018420 , 1782235 , 3564470 , 7128940
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
-7128939
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 7128940 can be divided by 24 positive divisors.
The sum of these divisors (counting 7128940) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
11011001100011101101100
3
Ternary
111102012001211
4
Quaternary
123030131230
5
Quinary
3311111230
6
Senary
412444204
8
Octal
33143554
10
Decimal
7128940
12
Duodecimal
2479664
16
Hexadecimal
6cc76c
20
Vigesimal
24b270
36
Base36
48sq4
md5
ea96ea5e376b5b11b0cc3065609a63fc
sha1
949d996b830242a612b230994ad008d70fdbf7b2
sha256
8100e9c0a9b63c43ac017f9a8cea48b84257e03b7ceb067da8424962214fd8e3
sha512
37c6e9403b373a25ad8935c0f65a80b0bd6a296281b49a9c44ef51e581eab217964ea5e18b5671445c8671540f7d856c1176a6898117e3d8d109a5cc6dc38cfa
ripemd-160
ae5d021a395434e4830dd55e8b3023af419c2851
Diameter
14257880
Circumference
44792451.063765
Area
1.5966134804326E+14
Volume
1.5176215606927E+21
Surface area
6.3864539217303E+14
Circumference
44792451.063765
Perimeter
28515760
Area
50821785523600
Diagonal
10081843.633344
Surface area
304930713141600
Volume
3.6230545969061E+20
Space diagonal
12347686.28411
Perimeter
21386820
Area
22006478664561
Altitude
6173843.142055
Surface area
22006478664561
Volume
4.2698107901357E+19
Height
3360614.544448