87085988 is an even 8-digits composite number following 87085987
and preceding 87085989 . In scientific notation, it is written as 8.7085988 × 10^7.
The sum of its digits is 53. It has a total of 4 prime factors and 12 positive divisors.
There are 39584520 positive integers (up to 87085988) that are relatively prime to 87085988.
87085988 has 12 divisors, whose sum is 166255152
The reverse of 87085988 is 88958078
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 53
Digital Root 8
Name
eighty-seven million eighty-five thousand nine hundred eighty-eight
Scientific notation
8.7085988 × 10^7
Engineering notation
8.7085988 × 10^6
Prime Factorization
2 × 2 × 11 × 1979227
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
43542994
Product of the distinct prime numbers
The prime factorization of 87085988 is 2 × 2 × 11 × 1979227.
Since it has a total of 4 prime factors.
5 , 4 , 24 , 87 , 218 , 3 , 2191 , 3698 , 86626 , 18235 , 107306 , 855967 , 6261098 , 4584543 , 83870645 , 11912825 , 244701507 , 703691556 , 3357470144 , 5045679627
n×2
174171976
n×3
261257964
n×4
348343952
n×5
435429940
n÷2
43542994
n÷3
29028662.666667
n÷3
21771497
n÷5
17417197.6
n2
7583969305936144
n3
6.6045745996912E+23
n4
5.7516590433382E+31
n5
5.0088891042824E+39
2 √n
9331.9873553279
3 √n
443.25069759599
4 √n
96.602211958774
5 √n
38.724842194447
1 , 2 , 4 , 11 , 22 , 44 , 1979227 , 3958454 , 7916908 , 21771497 , 43542994 , 87085988
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-87085987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87085988 can be divided by 12 positive divisors.
The sum of these divisors (counting 87085988) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
101001100001101001110100100
3
Ternary
20001212102111222
4
Quaternary
11030031032210
5
Quinary
134243222423
6
Senary
12350315512
8
Octal
514151644
10
Decimal
87085988
12
Duodecimal
251b8b98
16
Hexadecimal
530d3a4
20
Vigesimal
1745ej8
36
Base36
1fujz8
md5
43025ad21bec8cc4d376e1262e64d7fc
sha1
ec5851fc29cfdd3676e1d68f063a249b821c9ad7
sha256
9dc3b413f6372ef1cea5a59556049332be66aed823119a037366d46949f2d48f
sha512
ce890d761460c210410dbb50b263c02d6f0b714f069c741364161756a07d33ad4b6dba6a36acee586f3bf3b04d37853f2a5babbaee4b620306ff06aca2489504
ripemd-160
b0d90b9de37699bfbc0efce3f96a8276b1901538
Diameter
174171976
Circumference
547177400.26282
Area
2.3825742256579E+16
Volume
2.7665177389968E+24
Surface area
9.5302969026318E+16
Circumference
547177400.26282
Perimeter
348343952
Area
7583969305936144
Diagonal
123158185.32226
Surface area
45503815835616864
Volume
6.6045745996912E+23
Space diagonal
150837355.84333
Perimeter
261257964
Area
3.2839550402311E+15
Altitude
75418677.921667
Surface area
3.2839550402311E+15
Volume
7.7835658104902E+22
Height
41052728.440754