87085887 is an odd 8-digits composite number following 87085886
and preceding 87085888 . In scientific notation, it is written as 8.7085887 × 10^7.
The sum of its digits is 51. It has a total of 5 prime factors and 24 positive divisors.
There are 49126896 positive integers (up to 87085887) that are relatively prime to 87085887.
87085887 has 24 divisors, whose sum is 136800000
The reverse of 87085887 is 78858078
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
eighty-seven million eighty-five thousand eight hundred eighty-seven
Scientific notation
8.7085887 × 10^7
Engineering notation
8.7085887 × 10^6
Prime Factorization
3 × 7 × 7 × 79 × 7499
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
12440841
Product of the distinct prime numbers
The prime factorization of 87085887 is 3 × 7 × 7 × 79 × 7499.
Since it has a total of 5 prime factors.
8 , 9 , 34 , 49 , 177 , 444 , 2965 , 818 , 77525 , 39039 , 921720 , 367443 , 1560065 , 1818300 , 93537605 , 5458253 , 243020825 , 80338980 , 3487411915 , 6378204871
n×2
174171774
n×3
261257661
n×4
348343548
n×5
435429435
n÷2
43542943.5
n÷3
29028629
n÷3
21771471.75
n÷5
17417177.4
n2
7583951714576769
n3
6.6045516202909E+23
n4
5.7516323609032E+31
n5
5.0088600584716E+39
2 √n
9331.9819438317
3 √n
443.25052623915
4 √n
96.602183949596
5 √n
38.724833212036
1 , 3 , 7 , 21 , 49 , 79 , 147 , 237 , 553 , 1659 , 3871 , 7499 , 11613 , 22497 , 52493 , 157479 , 367451 , 592421 , 1102353 , 1777263 , 4146947 , 12440841 , 29028629 , 87085887
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-87085886
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87085887 can be divided by 24 positive divisors.
The sum of these divisors (counting 87085887) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
101001100001101001100111111
3
Ternary
20001212102101020
4
Quaternary
11030031030333
5
Quinary
134243222022
6
Senary
12350315223
8
Octal
514151477
10
Decimal
87085887
12
Duodecimal
251b8b13
16
Hexadecimal
530d33f
20
Vigesimal
1745ee7
36
Base36
1fujwf
md5
a55c11972880451a3034b7685c3e36cf
sha1
ab6a7da8eb17557a15112ac4709c609a6a6c478f
sha256
514ae282391ce4a1319289ae162251130f16e7a9b5282f03b6d9563367b3d9c0
sha512
2be1120918079a1f00210248c70becaf7b1c7009cd11414529c842b3b2d6a9244338e2a2792b91b02066a6ce2726d2b91359152defd3d894fd16ceed83bb8196
ripemd-160
e794245f016c6205fcc7f3281acf87b9aa5d925c
Diameter
174171774
Circumference
547176765.6611
Area
2.3825686991694E+16
Volume
2.7665081134081E+24
Surface area
9.5302747966776E+16
Circumference
547176765.6611
Perimeter
348343548
Area
7583951714576769
Diagonal
123158042.48669
Surface area
45503710287460614
Volume
6.6045516202909E+23
Space diagonal
150837180.9062
Perimeter
261257661
Area
3.283947422949E+15
Altitude
75418590.453101
Surface area
3.283947422949E+15
Volume
7.7835387290071E+22
Height
41052680.828897