87130587 is an odd 8-digits composite number following 87130586
and preceding 87130588 . In scientific notation, it is written as 8.7130587 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 56084000 positive integers (up to 87130587) that are relatively prime to 87130587.
87130587 has 8 divisors, whose sum is 120180240
The reverse of 87130587 is 78503178
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighty-seven million one hundred thirty thousand five hundred eighty-seven
Scientific notation
8.7130587 × 10^7
Engineering notation
8.7130587 × 10^6
Prime Factorization
3 × 29 × 1001501
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
87130587
Product of the distinct prime numbers
The prime factorization of 87130587 is 3 × 29 × 1001501.
Since it has a total of 3 prime factors.
4 , 8 , 6 , 24 , 722 , 892 , 636 , 722 , 88231 , 6700 , 944142 , 821063 , 961918 , 6361317 , 87704471 , 21535309 , 285476213 , 121511041 , 9535481167 , 3768981570
n×2
174261174
n×3
261391761
n×4
348522348
n×5
435652935
n÷2
43565293.5
n÷3
29043529
n÷3
21782646.75
n÷5
17426117.4
n2
7591739190964569
n3
6.6147269205965E+23
n4
5.7634503943627E+31
n5
5.0217281600621E+39
2 √n
9334.3766262135
3 √n
443.3263514205
4 √n
96.614577710682
5 √n
38.728807782001
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
-87130586
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 87130587 can be divided by 8 positive divisors.
The sum of these divisors (counting 87130587) is 1, the average is 0.125.
Base
System
Value
2
Binary
101001100011000000111011011
3
Ternary
20001221200200210
4
Quaternary
11030120013123
5
Quinary
134301134322
6
Senary
12351302203
8
Octal
514300733
10
Decimal
87130587
12
Duodecimal
2521a963
16
Hexadecimal
53181db
20
Vigesimal
174b697
36
Base36
1fvie3
md5
70fbcefff10c9f5074a0ab51fe025102
sha1
25bbc3600e8e9a7e9b6666eb62c1bf9c491b86ca
sha256
48ad76d72e788a72cabe0c78a4ab7130be06705fc06588ba8b938e520a18463d
sha512
2a041a4e36eb9db168e7a9c98ad299149034ebda31289011c15c9e51d1faabd087a6b83e3a952391e5834d4e4ba7cf3590b84f574754ed97cbec811364422531
ripemd-160
78d78f833fa301b244e6ce4ae9d202435cf4dda1
Diameter
174261174
Circumference
547457624.04433
Area
2.3850152070304E+16
Volume
2.7707703332331E+24
Surface area
9.5400608281216E+16
Circumference
547457624.04433
Perimeter
348522348
Area
7591739190964569
Diagonal
123221257.83293
Surface area
45550435145787414
Volume
6.6147269205965E+23
Space diagonal
150914603.5773
Perimeter
261391761
Area
3.2873194991406E+15
Altitude
75457301.78865
Surface area
3.2873194991406E+15
Volume
7.7955304354183E+22
Height
41073752.610976