7131390987 is an odd 10-digits composite number following 7131390986
and preceding 7131390988 . In scientific notation, it is written as 7.131390987 × 10^9.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 4075080552 positive integers (up to 7131390987) that are relatively prime to 7131390987.
7131390987 has 8 divisors, whose sum is 10866881536
The reverse of 7131390987 is 7890931317
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 48
Digital Root 3
Name
seven billion one hundred thirty-one million three hundred ninety thousand nine hundred eighty-seven
Scientific notation
7.131390987 × 10^9
Engineering notation
7.131390987 × 10^9
Prime Factorization
3 × 7 × 339590047
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
7131390987
Product of the distinct prime numbers
The prime factorization of 7131390987 is 3 × 7 × 339590047.
Since it has a total of 3 prime factors.
4 , 2 , 20 , 99 , 258 , 369 , 6135 , 5588 , 67768 , 91501 , 205353 , 842168 , 2062091 , 1838754 , 79825335 , 68376962 , 469661557 , 44048448 , 5445937175 , 9857548034
n×2
14262781974
n×3
21394172961
n×4
28525563948
n×5
35656954935
n÷2
3565695493.5
n÷3
2377130329
n÷3
1782847746.75
n÷5
1426278197.4
n2
5.0856737409465E+19
n3
3.6267927879008E+29
n4
2.5864077399353E+39
n5
1.8444684845281E+49
2 √n
84447.563535013
3 √n
1924.8257321975
4 √n
290.59862961654
5 √n
93.461952499322
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
-7131390986
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 7131390987 can be divided by 8 positive divisors.
The sum of these divisors (counting 7131390987) is 1, the average is 0.125.
Base
System
Value
2
Binary
110101001000100000110010000001011
3
Ternary
200101222222012100010
4
Quaternary
12221010012100023
5
Quinary
104101114002422
6
Senary
3135350243003
8
Octal
65104062013
10
Decimal
7131390987
12
Duodecimal
1470356463
16
Hexadecimal
1a910640b
20
Vigesimal
5b8b3h97
36
Base36
39xugi3
md5
76a1ec328b8cf7b01aa91bb9ceaa4fe4
sha1
2d56c5d43e4300a2c03bc3f7204da3ba449da8d9
sha256
fe169ad1c7444631c9637fc0dcf3d7d40b7b9eab1a4d864f4e29a003fc01a827
sha512
8bc9b8c29fcea71ca3e47d5169b7269bc11ba8e12308b0da01f5ce4d4db30d9038980d4c4086791b142e0cf7c3cebf22616f113965ebc1e212dff5e7785890e1
ripemd-160
8f1c01d6e71048fef2bc398e83e416fcbd76932a
Diameter
14262781974
Circumference
44807851069.271
Area
1.5977115263112E+20
Volume
1.5191874104749E+30
Surface area
6.3908461052448E+20
Circumference
44807851069.271
Perimeter
28525563948
Area
5.0856737409465E+19
Diagonal
10085309852.401
Surface area
3.0514042445679E+20
Volume
3.6267927879008E+29
Space diagonal
12351931518.123
Perimeter
21394172961
Area
2.2021613275095E+19
Altitude
6175965759.0614
Surface area
2.2021613275095E+19
Volume
4.2742162904719E+28
Height
3361769950.8002