87138085 is an odd 8-digits composite number following 87138084
and preceding 87138086 . In scientific notation, it is written as 8.7138085 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 66041424 positive integers (up to 87138085) that are relatively prime to 87138085.
87138085 has 8 divisors, whose sum is 110069280
The reverse of 87138085 is 58083178
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighty-seven million one hundred thirty-eight thousand eighty-five
Scientific notation
8.7138085 × 10^7
Engineering notation
8.7138085 × 10^6
Prime Factorization
5 × 19 × 917243
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
87138085
Product of the distinct prime numbers
The prime factorization of 87138085 is 5 × 19 × 917243.
Since it has a total of 3 prime factors.
6 , 6 , 81 , 90 , 205 , 645 , 8849 , 9085 , 36124 , 5798 , 330662 , 634742 , 7873995 , 1560944 , 38682188 , 62651166 , 879171762 , 657919441 , 5461039947 , 3056710190
n×2
174276170
n×3
261414255
n×4
348552340
n×5
435690425
n÷2
43569042.5
n÷3
29046028.333333
n÷3
21784521.25
n÷5
17427617
n2
7593045857467225
n3
6.6164347533688E+23
n4
5.76543453936E+31
n5
5.0238892495269E+39
2 √n
9334.7782512495
3 √n
443.33906783369
4 √n
96.616656179199
5 √n
38.729474318554
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
-87138084
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 87138085 can be divided by 8 positive divisors.
The sum of these divisors (counting 87138085) is 1, the average is 0.125.
Base
System
Value
2
Binary
101001100011001111100100101
3
Ternary
20001222001222111
4
Quaternary
11030121330211
5
Quinary
134301404320
6
Senary
12351401021
8
Octal
514317445
10
Decimal
87138085
12
Duodecimal
25223171
16
Hexadecimal
5319f25
20
Vigesimal
174c545
36
Base36
1fvo6d
md5
4e8db60577d97217760d4b2df328fe7b
sha1
39c134e4e0a2827f3e04eec7a6c843d6e278d406
sha256
ef5f9ba105a432164197886af0eaeb8f6e971525daa65768f734ffb90c8fb732
sha512
f32d20a8109d0add3577c1332d3b213b96fd161a48cf9572aca2de72090879ac756413b3690897f9e548ee1cfbeb1b3e7e91a3d63009e58395f7c2684106413e
ripemd-160
d8738a501f179e2feb7fd60a1ceccf5a3b891c24
Diameter
174276170
Circumference
547504735.36777
Area
2.3854257084189E+16
Volume
2.7714857085519E+24
Surface area
9.5417028336758E+16
Circumference
547504735.36777
Perimeter
348552340
Area
7593045857467225
Diagonal
123231861.60622
Surface area
45558275144803350
Volume
6.6164347533688E+23
Space diagonal
150927590.49426
Perimeter
261414255
Area
3.2878853023334E+15
Altitude
75463795.247128
Surface area
3.2878853023334E+15
Volume
7.7975431356423E+22
Height
41077287.202073