7131390991 is an odd 10-digits composite number following 7131390990
and preceding 7131390992 . In scientific notation, it is written as 7.131390991 × 10^9.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 6980195040 positive integers (up to 7131390991) that are relatively prime to 7131390991.
7131390991 has 8 divisors, whose sum is 7283227104
The reverse of 7131390991 is 1990931317
Previous prime number is 421
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 43
Digital Root 7
Name
seven billion one hundred thirty-one million three hundred ninety thousand nine hundred ninety-one
Scientific notation
7.131390991 × 10^9
Engineering notation
7.131390991 × 10^9
Prime Factorization
53 × 421 × 319607
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
7131390991
Product of the distinct prime numbers
The prime factorization of 7131390991 is 53 × 421 × 319607.
Since it has a total of 3 prime factors.
9 , 5 , 27 , 68 , 930 , 848 , 3542 , 1903 , 7176 , 69911 , 60204 , 907518 , 4305114 , 6506752 , 11095006 , 9116240 , 593529554 , 495083102 , 5198825572 , 7039762771
n×2
14262781982
n×3
21394172973
n×4
28525563964
n×5
35656954955
n÷2
3565695495.5
n÷3
2377130330.3333
n÷3
1782847747.75
n÷5
1426278198.2
n2
5.0856737466516E+19
n3
3.6267927940036E+29
n4
2.5864077457381E+39
n5
1.844468489701E+49
2 √n
84447.563558696
3 √n
1924.8257325573
4 √n
290.59862965729
5 √n
93.461952509806
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-7131390990
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 7131390991 can be divided by 8 positive divisors.
The sum of these divisors (counting 7131390991) is 1, the average is 0.125.
Base
System
Value
2
Binary
110101001000100000110010000001111
3
Ternary
200101222222012100021
4
Quaternary
12221010012100033
5
Quinary
104101114002431
6
Senary
3135350243011
8
Octal
65104062017
10
Decimal
7131390991
12
Duodecimal
1470356467
16
Hexadecimal
1a910640f
20
Vigesimal
5b8b3h9b
36
Base36
39xugi7
md5
d28700cbfe476a67abc8f1eec71cdcbb
sha1
16d25990a44104db8cd35fb7a97fec7393503d1a
sha256
60c9e907bb6cd36b0be632ab87e9f349ed351bad923801bcf5c8b4dc2228bcb6
sha512
c0945fbe303462f106bc4ec60830ccbe46702deb3c0468fcb7b6e8a395ff00200fd1f36e4d169aba621d5e7b0a62c1eba8ab4eeb1fe5b84c53cd052fffff04bf
ripemd-160
d32e3cf6fcf9ed2ecf29994df4255d80fba10d11
Diameter
14262781982
Circumference
44807851094.404
Area
1.5977115281035E+20
Volume
1.5191874130312E+30
Surface area
6.3908461124141E+20
Circumference
44807851094.404
Perimeter
28525563964
Area
5.0856737466516E+19
Diagonal
10085309858.058
Surface area
3.051404247991E+20
Volume
3.6267927940036E+29
Space diagonal
12351931525.051
Perimeter
21394172973
Area
2.2021613299799E+19
Altitude
6175965762.5255
Surface area
2.2021613299799E+19
Volume
4.2742162976641E+28
Height
3361769952.6858