687112985 is an odd 9-digits composite number following 687112984
and preceding 687112986 . In scientific notation, it is written as 6.87112985 × 10^8.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 491037120 positive integers (up to 687112985) that are relatively prime to 687112985.
687112985 has 16 divisors, whose sum is 916608000
The reverse of 687112985 is 589211786
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
six hundred eighty-seven million one hundred twelve thousand nine hundred eighty-five
Scientific notation
6.87112985 × 10^8
Engineering notation
6.87112985 × 10^6
Prime Factorization
5 × 13 × 31 × 340999
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
687112985
Product of the distinct prime numbers
The prime factorization of 687112985 is 5 × 13 × 31 × 340999.
Since it has a total of 4 prime factors.
6 , 4 , 46 , 1 , 134 , 907 , 1153 , 6606 , 40474 , 19962 , 413769 , 796628 , 7416431 , 6948888 , 8666298 , 51081540 , 60016741 , 879649834 , 9540150000 , 8510958006
n×2
1374225970
n×3
2061338955
n×4
2748451940
n×5
3435564925
n÷2
343556492.5
n÷3
229037661.66667
n÷3
171778246.25
n÷5
137422597
n2
472124254155610225
n3
3.2440270556376E+26
n4
2.2290131136199E+35
n5
1.5315838541035E+44
2 √n
26212.840078862
3 √n
882.42144089597
4 √n
161.90379884012
5 √n
58.533653340932
1 , 5 , 13 , 31 , 65 , 155 , 403 , 2015 , 340999 , 1704995 , 4432987 , 10570969 , 22164935 , 52854845 , 137422597 , 687112985
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-687112984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 687112985 can be divided by 16 positive divisors.
The sum of these divisors (counting 687112985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101000111101001000001100011001
3
Ternary
1202212220221211002
4
Quaternary
220331020030121
5
Quinary
2401400103420
6
Senary
152103114345
8
Octal
5075101431
10
Decimal
687112985
12
Duodecimal
1721429b5
16
Hexadecimal
28f48319
20
Vigesimal
aee9295
36
Base36
bd37rt
md5
797d23f2114f57c145283baf65b85c81
sha1
2043e6f5de817cb2b8a325e9b442cdef4bc023fe
sha256
fa5d4f730917a216b66305110c82b99824d72e33fc5fb8dc81884a293acb8ecf
sha512
1a987bed85a9a3d00753a74354375904f65907dac6a30bc5e33350b439a72b963abcf59815583c40e86699a87a40daff247a6565964d060e5122a74c17e1748e
ripemd-160
a7b14826a8c137d5ed6b4e7dde64ec8124f62d16
Diameter
1374225970
Circumference
4317258211.7243
Area
1.4832220884368E+18
Volume
1.3588548754717E+27
Surface area
5.9328883537473E+18
Circumference
4317258211.7243
Perimeter
2748451940
Area
472124254155610225
Diagonal
971724502.26966
Surface area
2832745524933661350
Volume
3.2440270556376E+26
Space diagonal
1190114600.5603
Perimeter
2061338955
Area
2.0443579892077E+17
Altitude
595057300.28016
Surface area
2.0443579892077E+17
Volume
3.82312254899E+25
Height
323908167.42322