87128841 is an odd 8-digits composite number following 87128840
and preceding 87128842 . In scientific notation, it is written as 8.7128841 × 10^7.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 58085892 positive integers (up to 87128841) that are relatively prime to 87128841.
87128841 has 4 divisors, whose sum is 116171792
The reverse of 87128841 is 14882178
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighty-seven million one hundred twenty-eight thousand eight hundred forty-one
Scientific notation
8.7128841 × 10^7
Engineering notation
8.7128841 × 10^6
Prime Factorization
3 × 29042947
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
87128841
Product of the distinct prime numbers
The prime factorization of 87128841 is 3 × 29042947.
Since it has a total of 2 prime factors.
9 , 9 , 81 , 33 , 23 , 845 , 7713 , 6503 , 98805 , 33277 , 899055 , 691508 , 4924084 , 3682109 , 14219795 , 65294402 , 995184576 , 475725434 , 1013630250 , 8524842417
n×2
174257682
n×3
261386523
n×4
348515364
n×5
435644205
n÷2
43564420.5
n÷3
29042947
n÷3
21782210.25
n÷5
17425768.2
n2
7591434934003281
n3
6.6143292732662E+23
n4
5.7629884357205E+31
n5
5.0212250310073E+39
2 √n
9334.283100485
3 √n
443.32339014514
4 √n
96.61409369489
5 √n
38.728652564316
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-87128840
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87128841 can be divided by 4 positive divisors.
The sum of these divisors (counting 87128841) is 1, the average is 0.25.
Base
System
Value
2
Binary
101001100010111101100001001
3
Ternary
20001221121022010
4
Quaternary
11030113230021
5
Quinary
134301110331
6
Senary
12351250133
8
Octal
514275411
10
Decimal
87128841
12
Duodecimal
25219949
16
Hexadecimal
5317b09
20
Vigesimal
174b221
36
Base36
1fvh1l
md5
508e82f42117ce67aa5fc19542dd9f20
sha1
7f549e9af0b1252b330343b9b8636e12ac76554a
sha256
b76e78601b09a13102a4cb4a6a4b83524be6522a3eb71e1a3de68c7393d48dbe
sha512
156719e0635c259587689d61bf5a92a51911b86a02cfe426b961bbbbee0f2f0965da491722e50cfbd6eb701650fed2bc28176024b5421761d376ea8277aceff8
ripemd-160
38089f54140b7e4e1de42a6892b97933759972b9
Diameter
174257682
Circumference
547446653.60279
Area
2.384919621887E+16
Volume
2.7706037671089E+24
Surface area
9.5396784875478E+16
Circumference
547446653.60279
Perimeter
348515364
Area
7591434934003281
Diagonal
123218788.61605
Surface area
45548609604019686
Volume
6.6143292732662E+23
Space diagonal
150911579.41659
Perimeter
261386523
Area
3.2871877520117E+15
Altitude
75455789.708295
Surface area
3.2871877520117E+15
Volume
7.7950618035453E+22
Height
41072929.538683