7131991909 is an odd 10-digits composite number following 7131991908
and preceding 7131991910 . In scientific notation, it is written as 7.131991909 × 10^9.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 6113135916 positive integers (up to 7131991909) that are relatively prime to 7131991909.
7131991909 has 4 divisors, whose sum is 8150847904
The reverse of 7131991909 is 9091991317
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 49
Digital Root 4
Name
seven billion one hundred thirty-one million nine hundred ninety-one thousand nine hundred nine
Scientific notation
7.131991909 × 10^9
Engineering notation
7.131991909 × 10^9
Prime Factorization
7 × 1018855987
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
7131991909
Product of the distinct prime numbers
The prime factorization of 7131991909 is 7 × 1018855987.
Since it has a total of 2 prime factors.
1 , 8 , 56 , 42 , 838 , 404 , 294 , 7391 , 85671 , 47913 , 535740 , 254649 , 2116100 , 6586609 , 92666472 , 98347513 , 25414885 , 430464608 , 4346293170 , 7782291571
n×2
14263983818
n×3
21395975727
n×4
28527967636
n×5
35659959545
n÷2
3565995954.5
n÷3
2377330636.3333
n÷3
1782997977.25
n÷5
1426398381.8
n2
5.0865308590041E+19
n3
3.6277096931296E+29
n4
2.5872796179601E+39
n5
1.8452457301612E+49
2 √n
84451.121419434
3 √n
1924.8797954063
4 √n
290.604751199
5 √n
93.463527548302
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
-7131991908
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 7131991909 can be divided by 4 positive divisors.
The sum of these divisors (counting 7131991909) is 1, the average is 0.25.
Base
System
Value
2
Binary
110101001000110011000111101100101
3
Ternary
200102001002201122111
4
Quaternary
12221012120331211
5
Quinary
104101242220114
6
Senary
3135411201021
8
Octal
65106307545
10
Decimal
7131991909
12
Duodecimal
14705a6171
16
Hexadecimal
1a9198f65
20
Vigesimal
5b8eijf9
36
Base36
39y7c6d
md5
d167274c763760be664d6656329926e6
sha1
592c1a67310f8b7240b0d128a8cf5f54284ea0b7
sha256
d0f79e78d17c3736c9031a77ab0905770d590334e50d45c72ba4f8bad0ae931b
sha512
1e8e776f2ebb6f3b1c50f5a1b2f899824ce3f83e46b1e63789493da7ed8c801ad488e33986c00412fa25dfd41b9a5f2485f283e2fe0a2a1b07d22bc10c8d0e01
ripemd-160
b3b8b717396dc456c160958ec38fdac8a85d9a65
Diameter
14263983818
Circumference
44811626773.552
Area
1.5979807978905E+20
Volume
1.519571482839E+30
Surface area
6.3919231915621E+20
Circumference
44811626773.552
Perimeter
28527967636
Area
5.0865308590041E+19
Diagonal
10086159684.443
Surface area
3.0519185154025E+20
Volume
3.6277096931296E+29
Space diagonal
12352972345.558
Perimeter
21395975727
Area
2.2025324705155E+19
Altitude
6176486172.7791
Surface area
2.2025324705155E+19
Volume
4.2752968736469E+28
Height
3362053228.1477