7128949 is an odd 7-digits prime number following 7128948
and preceding 7128950 . In scientific notation, it is written as 7.128949 × 10^6.
The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors.
There are 7128948 positive integers (up to 7128949) that are relatively prime to 7128949.
7128949 has 2 divisors, whose sum is 7128950
The reverse of 7128949 is 9498217
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 7
Sum of Digits 40
Digital Root 4
Name
seven million one hundred twenty-eight thousand nine hundred forty-nine
Scientific notation
7.128949 × 10^6
Engineering notation
7.128949 × 10^6
Prime Factorization
7128949
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
7128949
Product of the distinct prime numbers
The prime factorization of 7128949 is 7128949.
Since it has a total of 1 prime factors.
1 , 9 , 24 , 13 , 881 , 841 , 8366 , 248 , 10895 , 21502 , 301661 , 101430 , 5404955 , 9740194 , 96933188 , 77790538 , 932835668 , 851409697 , 2663613403 , 1670386002
n×2
14257898
n×3
21386847
n×4
28515796
n×5
35644745
n÷2
3564474.5
n÷3
2376316.3333333
n÷3
1782237.25
n÷5
1425789.8
n2
50821913844601
n3
3.6230683188055E+20
n4
2.582866926828E+27
n5
1.8413126595144E+34
2 √n
2670.0091760142
3 √n
192.46060024588
4 √n
51.672131521877
5 √n
23.474973007165
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
7128950
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
3564475
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
2670.0093632795
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999997194538
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 7128949 can be divided by 2 positive divisors.
The sum of these divisors (counting 7128949) is 7128950, the average is 3564475.
Base
System
Value
2
Binary
11011001100011101110101
3
Ternary
111102012002011
4
Quaternary
123030131311
5
Quinary
3311111244
6
Senary
412444221
8
Octal
33143565
10
Decimal
7128949
12
Duodecimal
2479671
16
Hexadecimal
6cc775
20
Vigesimal
24b279
36
Base36
48sqd
md5
f48ba3abd7b30bccba615c4cb493b464
sha1
1bfb3d91f5489118041c3f2155f6c8ac94c5fd2e
sha256
7fc5433cac8e2848f9033cfa14e1f3b9852591a1bc6ea7a4f3574ee306bacac5
sha512
720aab54e5310d72234a060eabedfda78b340d6b955cdf2fe69a1ec16944ec2bb494554b34adc1d79e41ca85967f8436f741b8fc7c58daebf8e211fcab0d9e2f
ripemd-160
5169594c60039e94f9316c6a41495624cf6db8ed
Diameter
14257898
Circumference
44792507.612433
Area
1.5966175117557E+14
Volume
1.5176273085085E+21
Surface area
6.3864700470229E+14
Circumference
44792507.612433
Perimeter
28515796
Area
50821913844601
Diagonal
10081856.361266
Surface area
304931483067606
Volume
3.6230683188055E+20
Space diagonal
12347701.872567
Perimeter
21386847
Area
22006534229184
Altitude
6173850.9362837
Surface area
22006534229184
Volume
4.2698269615492E+19
Height
3360618.7870887