687130387 is an odd 9-digits composite number following 687130386
and preceding 687130388 . In scientific notation, it is written as 6.87130387 × 10^8.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 677868360 positive integers (up to 687130387) that are relatively prime to 687130387.
687130387 has 8 divisors, whose sum is 696407040
The reverse of 687130387 is 783031786
Previous prime number is 1523
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
six hundred eighty-seven million one hundred thirty thousand three hundred eighty-seven
Scientific notation
6.87130387 × 10^8
Engineering notation
6.87130387 × 10^6
Prime Factorization
79 × 1523 × 5711
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
687130387
Product of the distinct prime numbers
The prime factorization of 687130387 is 79 × 1523 × 5711.
Since it has a total of 3 prime factors.
8 , 6 , 25 , 56 , 900 , 87 , 21 , 890 , 59271 , 72732 , 843066 , 917721 , 2965672 , 4626530 , 33168341 , 2551141 , 645476116 , 150789032 , 4134509862 , 4123236482
n×2
1374260774
n×3
2061391161
n×4
2748521548
n×5
3435651935
n÷2
343565193.5
n÷3
229043462.33333
n÷3
171782596.75
n÷5
137426077.4
n2
472148168738769769
n3
3.2442735390681E+26
n4
2.2292389324337E+35
n5
1.5317778103587E+44
2 √n
26213.172013322
3 √n
882.42889031046
4 √n
161.90482393469
5 √n
58.533949825597
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
-687130386
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 687130387 can be divided by 8 positive divisors.
The sum of these divisors (counting 687130387) is 1, the average is 0.125.
Base
System
Value
2
Binary
101000111101001100011100010011
3
Ternary
1202212221211200121
4
Quaternary
220331030130103
5
Quinary
2401401133022
6
Senary
152103331111
8
Octal
5075143423
10
Decimal
687130387
12
Duodecimal
172150a97
16
Hexadecimal
28f4c713
20
Vigesimal
aeeb5j7
36
Base36
bd3l77
md5
9584b0d2537065707ee5ad95b6529972
sha1
aaf7db5b03b572792a30cc350b99a52acc367a46
sha256
450074b9153c3a459d24ffec5753351f73b041c30d8547a9b07171d433e4bae5
sha512
34c8f5376accc66b37efbdf04956ec642bad4c8c228a71f913cbf47cd20316d3c3e3875f79fd32bc71bf8d5a66964d3a8bd0d0d78abb61f76971be15fd260745
ripemd-160
351d011cbea50b06bd077236ef666ed9fb856eb4
Diameter
1374260774
Circumference
4317367551.715
Area
1.4832972183156E+18
Volume
1.3589581222096E+27
Surface area
5.9331888732624E+18
Circumference
4317367551.715
Perimeter
2748521548
Area
472148168738769769
Diagonal
971749112.41407
Surface area
2832889012432618614
Volume
3.2442735390681E+26
Space diagonal
1190144741.7085
Perimeter
2061391161
Area
2.0444615423904E+17
Altitude
595072370.85423
Surface area
2.0444615423904E+17
Volume
3.8234130324986E+25
Height
323916370.80469