7129991 is an odd 7-digits composite number following 7129990
and preceding 7129992 . In scientific notation, it is written as 7.129991 × 10^6.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 6481800 positive integers (up to 7129991) that are relatively prime to 7129991.
7129991 has 4 divisors, whose sum is 7778184
The reverse of 7129991 is 1999217
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 38
Digital Root 2
Name
seven million one hundred twenty-nine thousand nine hundred ninety-one
Scientific notation
7.129991 × 10^6
Engineering notation
7.129991 × 10^6
Prime Factorization
11 × 648181
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
7129991
Product of the distinct prime numbers
The prime factorization of 7129991 is 11 × 648181.
Since it has a total of 2 prime factors.
7 , 4 , 11 , 27 , 145 , 944 , 7513 , 3671 , 72838 , 25527 , 655856 , 237881 , 3587213 , 7272780 , 168552 , 69683029 , 10471382 , 971253816 , 2313360920 , 4971688255
n×2
14259982
n×3
21389973
n×4
28519964
n×5
35649955
n÷2
3564995.5
n÷3
2376663.6666667
n÷3
1782497.75
n÷5
1425998.2
n2
50836771660081
n3
3.6246572440543E+20
n4
2.5843773528192E+27
n5
1.8426587266205E+34
2 √n
2670.2042993
3 √n
192.4699767648
4 √n
51.67401957754
5 √n
23.475659209068
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-7129990
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 7129991 can be divided by 4 positive divisors.
The sum of these divisors (counting 7129991) is 1, the average is 0.25.
Base
System
Value
2
Binary
11011001100101110000111
3
Ternary
111102020111202
4
Quaternary
123030232013
5
Quinary
3311124431
6
Senary
412453115
8
Octal
33145607
10
Decimal
7129991
12
Duodecimal
247a19b
16
Hexadecimal
6ccb87
20
Vigesimal
24b4jb
36
Base36
48tjb
md5
d7a18742b0add59c513932138a7ae062
sha1
a5f6136a5f89bc57ea5b2cc22e1263b5e695c219
sha256
51d0b9b52e0ba0b70448c3636a1f8ad7ba1676322ea691f525529e4a0b84e596
sha512
b031c0619f56bce5abdd69328c90786cd2b400c0ad4a31644570c10d596ae2cb053e69ffddc8a9da4893540c428752321f218ed3c5077b4418892a4556e0ebf8
ripemd-160
d0162411a9487d2cf4ce7944c66f1a0a0cb70bb6
Diameter
14259982
Circumference
44799054.691523
Area
1.5970842837953E+14
Volume
1.5182928759603E+21
Surface area
6.3883371351813E+14
Circumference
44799054.691523
Perimeter
28519964
Area
50836771660081
Diagonal
10083329.971798
Surface area
305020629960486
Volume
3.6246572440543E+20
Space diagonal
12349506.669509
Perimeter
21389973
Area
22012967852009
Altitude
6174753.3347544
Surface area
22012967852009
Volume
4.2716995279129E+19
Height
3361109.9905994