287130 is an even 6-digits composite number following 287129
and preceding 287131 . In scientific notation, it is written as 2.87130 × 10^5.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 71936 positive integers (up to 287130) that are relatively prime to 287130.
287130 has 16 divisors, whose sum is 582048
The reverse of 287130 is 031782
Previous prime number is 85
Is Prime? no
Number parity even
Number length 6
Sum of Digits 21
Digital Root 3
Name
two hundred eighty-seven thousand one hundred thirty
Scientific notation
2.87130 × 10^5
Engineering notation
2.87130 × 10^3
Prime Factorization
2 × 3 × 85 × 563
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
287130
Product of the distinct prime numbers
The prime factorization of 287130 is 2 × 3 × 85 × 563.
Since it has a total of 4 prime factors.
1 , 9 , 54 , 14 , 394 , 865 , 851 , 3820 , 20353 , 81806 , 197317 , 276958 , 326908 , 2455718 , 64214323 , 29527846 , 78607874 , 469331939 , 4544794160 , 2090981457
n×2
574260
n×3
861390
n×4
1148520
n×5
1435650
n÷2
143565
n÷3
95710
n÷3
71782.5
n÷5
57426
n2
82443636900
n3
23672041463097000
n4
6.796953265299E+21
n5
1.9516091910653E+27
2 √n
535.84512687903
3 √n
65.971980760376
4 √n
23.148328813956
5 √n
12.348542881032
1 , 2 , 3 , 6 , 85 , 170 , 255 , 510 , 563 , 1126 , 1689 , 3378 , 47855 , 95710 , 143565 , 287130
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
-287129
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 287130 can be divided by 16 positive divisors.
The sum of these divisors (counting 287130) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000110000110011010
3
Ternary
112120212110
4
Quaternary
1012012122
5
Quinary
33142010
6
Senary
10053150
8
Octal
1060632
10
Decimal
287130
12
Duodecimal
11a1b6
16
Hexadecimal
4619a
20
Vigesimal
1fhga
36
Base36
65ju
md5
ed03c9024341e7639790c5d5530021a5
sha1
49aaa2d719363404467c8bdb0f39fd0a52e50897
sha256
62e660cac0e9a752aa706b8f3f11d1e850e890d785fbe34d60db8bd11058c5ec
sha512
aa852c3e8fb854ee41f6ab5cb521c73c90449b44f131ad6ba41f9848551facfa9366ce9b3a18ef188ce3ba3e15dbab3dba3e2eab31ecb59e8bdb0de18c292d4d
ripemd-160
7e5a63a4c954a7ea3f700e8fcd98a4279e9a0fec
Diameter
574260
Circumference
1804090.9972505
Area
259004324020.26
Volume
9.9157215407918E+16
Surface area
1036017296081.1
Circumference
1804090.9972505
Perimeter
1148520
Area
82443636900
Diagonal
406063.14016419
Surface area
494661821400
Volume
23672041463097000
Space diagonal
497323.74837725
Perimeter
861390
Area
35699141967.89
Altitude
248661.87418863
Surface area
35699141967.89
Volume
2.7897768405142E+15
Height
135354.38005473