87128834 is an even 8-digits composite number following 87128833
and preceding 87128835 . In scientific notation, it is written as 8.7128834 × 10^7.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 40213296 positive integers (up to 87128834) that are relatively prime to 87128834.
87128834 has 8 divisors, whose sum is 140746620
The reverse of 87128834 is 43882178
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
eighty-seven million one hundred twenty-eight thousand eight hundred thirty-four
Scientific notation
8.7128834 × 10^7
Engineering notation
8.7128834 × 10^6
Prime Factorization
2 × 13 × 3351109
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
87128834
Product of the distinct prime numbers
The prime factorization of 87128834 is 2 × 13 × 3351109.
Since it has a total of 3 prime factors.
7 , 3 , 72 , 28 , 632 , 358 , 8600 , 9081 , 46427 , 77722 , 981823 , 452183 , 6545784 , 1150141 , 62868634 , 14159619 , 410113367 , 680709902 , 5982359972 , 648667811
n×2
174257668
n×3
261386502
n×4
348515336
n×5
435644170
n÷2
43564417
n÷3
29042944.666667
n÷3
21782208.5
n÷5
17425766.8
n2
7591433714199556
n3
6.614327679065E+23
n4
5.7629865837086E+31
n5
5.0212230139617E+39
2 √n
9334.2827255232
3 √n
443.32337827283
4 √n
96.614091754377
5 √n
38.728651942017
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
-87128833
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 87128834 can be divided by 8 positive divisors.
The sum of these divisors (counting 87128834) is 1, the average is 0.125.
Base
System
Value
2
Binary
101001100010111101100000010
3
Ternary
20001221121021212
4
Quaternary
11030113230002
5
Quinary
134301110314
6
Senary
12351250122
8
Octal
514275402
10
Decimal
87128834
12
Duodecimal
25219942
16
Hexadecimal
5317b02
20
Vigesimal
174b21e
36
Base36
1fvh1e
md5
53da0660fea62735f3293068a5b697c6
sha1
b9771645f9d98415a451a1f8f54edc8186de0d5b
sha256
6cc92761c1bba2261a7e47d47c1ffba04dcd78f5463c2573a98eb09fdf38152e
sha512
1aa7281da631b388b6c88e0c952e0fd67126d436946c23d1b05a08a52b222f1972bc6d515152029da01e2f5795e9d9e70f0edd8aa17f32a0bdca27905d9d272e
ripemd-160
db24d9f729e3c9bb6568357cac69d543974fc0cb
Diameter
174257668
Circumference
547446609.62049
Area
2.3849192386743E+16
Volume
2.7706030993315E+24
Surface area
9.5396769546973E+16
Circumference
547446609.62049
Perimeter
348515336
Area
7591433714199556
Diagonal
123218778.71655
Surface area
45548602285197336
Volume
6.614327679065E+23
Space diagonal
150911567.29223
Perimeter
261386502
Area
3.2871872238212E+15
Altitude
75455783.646117
Surface area
3.2871872238212E+15
Volume
7.7950599247612E+22
Height
41072926.238851