87085969 is an odd 8-digits composite number following 87085968
and preceding 87085970 . In scientific notation, it is written as 8.7085969 × 10^7.
The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors.
There are 86986240 positive integers (up to 87085969) that are relatively prime to 87085969.
87085969 has 4 divisors, whose sum is 87185700
The reverse of 87085969 is 96958078
Previous prime number is 881
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 52
Digital Root 7
Name
eighty-seven million eighty-five thousand nine hundred sixty-nine
Scientific notation
8.7085969 × 10^7
Engineering notation
8.7085969 × 10^6
Prime Factorization
881 × 98849
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
87085969
Product of the distinct prime numbers
The prime factorization of 87085969 is 881 × 98849.
Since it has a total of 2 prime factors.
9 , 9 , 67 , 83 , 800 , 71 , 9771 , 7768 , 79400 , 34478 , 456587 , 657804 , 1165588 , 4316277 , 9366647 , 56478484 , 5048745 , 107609851 , 4749641911 , 3663445342
n×2
174171938
n×3
261257907
n×4
348343876
n×5
435429845
n÷2
43542984.5
n÷3
29028656.333333
n÷3
21771492.25
n÷5
17417193.8
n2
7583965996668961
n3
6.6045702768297E+23
n4
5.7516540238631E+31
n5
5.0088836402087E+39
2 √n
9331.9863373239
3 √n
443.25066536055
4 √n
96.602206689723
5 √n
38.724840504687
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
-87085968
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 87085969 can be divided by 4 positive divisors.
The sum of these divisors (counting 87085969) is 1, the average is 0.25.
Base
System
Value
2
Binary
101001100001101001110010001
3
Ternary
20001212102111021
4
Quaternary
11030031032101
5
Quinary
134243222334
6
Senary
12350315441
8
Octal
514151621
10
Decimal
87085969
12
Duodecimal
251b8b81
16
Hexadecimal
530d391
20
Vigesimal
1745ei9
36
Base36
1fujyp
md5
1c951323d9179ec46f64de4688e46be9
sha1
79bb9cc759b947e4c88ffe4fbb7e119f4fa8ef64
sha256
95adc45b7a4412cb3af58ae40ac0c96f51d5253da541b5b5e636c6b2435d40f7
sha512
d4672961b9ad8c1025f6e9faa2dd99b2a9a995d10d5d2eda9fd1a2a89eaf100457f165f48ab93db3679031dd7b96891579f1cc40ae35bfa18be01dab3896ddc5
ripemd-160
fd9462296c455faa2328e90ea92e1d739b0fa7eb
Diameter
174171938
Circumference
547177280.8823
Area
2.382573186021E+16
Volume
2.7665159282407E+24
Surface area
9.530292744084E+16
Circumference
547177280.8823
Perimeter
348343876
Area
7583965996668961
Diagonal
123158158.4522
Surface area
45503795980013766
Volume
6.6045702768297E+23
Space diagonal
150837322.93437
Perimeter
261257907
Area
3.2839536072763E+15
Altitude
75418661.467184
Surface area
3.2839536072763E+15
Volume
7.783560715949E+22
Height
41052719.484068