687130391 is an odd 9-digits prime number following 687130390
and preceding 687130392 . In scientific notation, it is written as 6.87130391 × 10^8.
The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors.
There are 687130390 positive integers (up to 687130391) that are relatively prime to 687130391.
687130391 has 2 divisors, whose sum is 687130392
The reverse of 687130391 is 193031786
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
six hundred eighty-seven million one hundred thirty thousand three hundred ninety-one
Scientific notation
6.87130391 × 10^8
Engineering notation
6.87130391 × 10^6
Prime Factorization
687130391
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
687130391
Product of the distinct prime numbers
The prime factorization of 687130391 is 687130391.
Since it has a total of 1 prime factors.
5 , 7 , 76 , 19 , 128 , 928 , 8033 , 2957 , 27712 , 45536 , 854508 , 434648 , 5402662 , 8353668 , 26954098 , 833362 , 478676215 , 925023595 , 8397862301 , 4179798162
n×2
1374260782
n×3
2061391173
n×4
2748521564
n×5
3435651955
n÷2
343565195.5
n÷3
229043463.66667
n÷3
171782597.75
n÷5
137426078.2
n2
472148174235812881
n3
3.2442735957259E+26
n4
2.2292389843421E+35
n5
1.5317778549434E+44
2 √n
26213.172089619
3 √n
882.42889202275
4 √n
161.90482417031
5 √n
58.533949893746
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
687130392
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
343565196
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
26213.172108694
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999970893
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 687130391 can be divided by 2 positive divisors.
The sum of these divisors (counting 687130391) is 687130392, the average is 343565196.
Base
System
Value
2
Binary
101000111101001100011100010111
3
Ternary
1202212221211200202
4
Quaternary
220331030130113
5
Quinary
2401401133031
6
Senary
152103331115
8
Octal
5075143427
10
Decimal
687130391
12
Duodecimal
172150a9b
16
Hexadecimal
28f4c717
20
Vigesimal
aeeb5jb
36
Base36
bd3l7b
md5
3f2778dd6914338dd23d5ffb3d730fe2
sha1
55b7e7f490a492be83df1c4b50592f6764375289
sha256
b3e68d946ddeec376050c60d136ce23dad2abb0ed2ce8c585cab011c945e6627
sha512
ac4c47f9dd757634132585e46086ad54ad3c6c93c1b1f629819408971e652177e109ae39915e49cdbb7bc0ba2d9d24c29ac272df59bc2d5065bf15c96c4c2408
ripemd-160
167973b5796a8e2c4cda3fd8662c81bbd243ab1f
Diameter
1374260782
Circumference
4317367576.8478
Area
1.4832972355851E+18
Volume
1.3589581459424E+27
Surface area
5.9331889423403E+18
Circumference
4317367576.8478
Perimeter
2748521564
Area
472148174235812881
Diagonal
971749118.07093
Surface area
2832889045414877286
Volume
3.2442735957259E+26
Space diagonal
1190144748.6367
Perimeter
2061391173
Area
2.0444615661933E+17
Altitude
595072374.31833
Surface area
2.0444615661933E+17
Volume
3.8234130992704E+25
Height
323916372.69031