7131815985 is an odd 10-digits composite number following 7131815984
and preceding 7131815986 . In scientific notation, it is written as 7.131815985 × 10^9.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 3260258400 positive integers (up to 7131815985) that are relatively prime to 7131815985.
7131815985 has 8 divisors, whose sum is 8228272896
The reverse of 7131815985 is 5895181317
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 eight hundred fifteen thousand nine hundred eighty-five
Scientific notation
7.131815985 × 10^9
Engineering notation
7.131815985 × 10^9
Prime Factorization
105 × 7 × 9703151
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
7131815985
Product of the distinct prime numbers
The prime factorization of 7131815985 is 105 × 7 × 9703151.
Since it has a total of 3 prime factors.
5 , 3 , 89 , 15 , 750 , 624 , 4603 , 5009 , 3066 , 53014 , 701297 , 322485 , 2645821 , 2176492 , 12268283 , 31043409 , 732889603 , 7763555 , 7667639989 , 2067139484
n×2
14263631970
n×3
21395447955
n×4
28527263940
n×5
35659079925
n÷2
3565907992.5
n÷3
2377271995
n÷3
1782953996.25
n÷5
1426363197
n2
5.0862799243902E+19
n3
3.627441246895E+29
n4
2.5870243469254E+39
n5
1.8450181590987E+49
2 √n
84450.079840104
3 √n
1924.8639683489
4 √n
290.60295910418
5 √n
93.463066452998
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
-7131815984
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 7131815985 can be divided by 8 positive divisors.
The sum of these divisors (counting 7131815985) is 1, the average is 0.125.
Base
System
Value
2
Binary
110101001000101101110000000110001
3
Ternary
200102000202210022210
4
Quaternary
12221011232000301
5
Quinary
104101221102420
6
Senary
3135403322333
8
Octal
65105560061
10
Decimal
7131815985
12
Duodecimal
14705203a9
16
Hexadecimal
1a916e031
20
Vigesimal
5b8dgjj5
36
Base36
39y3kfl
md5
5b89cffce7f506234e504166453d9612
sha1
5de59006ba7ffe1bc0922c6fd9710952c709991a
sha256
adb1ba0f15f713942771fa4688c5e94a798b016a41f69f677e9245356e7d36cf
sha512
2d5b1a2471e178f1fe41ba7e14e86744f41b72b431039498ed9774cbbcf9a33ab77f879e8243b3162a48d223f03b440b08b698675028cf5358fc10db15e76626
ripemd-160
18cf968b692dd7dae0501c8904ef2f4a42929562
Diameter
14263631970
Circumference
44810521410.461
Area
1.5979019644565E+20
Volume
1.5194590363432E+30
Surface area
6.3916078578261E+20
Circumference
44810521410.461
Perimeter
28527263940
Area
5.0862799243902E+19
Diagonal
10085910890.336
Surface area
3.0517679546341E+20
Volume
3.627441246895E+29
Space diagonal
12352667636.252
Perimeter
21395447955
Area
2.2024238126403E+19
Altitude
6176333818.1259
Surface area
2.2024238126403E+19
Volume
4.2749805067254E+28
Height
3361970296.7787