87087091 is an odd 8-digits composite number following 87087090
and preceding 87087092 . In scientific notation, it is written as 8.7087091 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 66679200 positive integers (up to 87087091) that are relatively prime to 87087091.
87087091 has 16 divisors, whose sum is 110645248
The reverse of 87087091 is 19078078
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighty-seven million eighty-seven thousand ninety-one
Scientific notation
8.7087091 × 10^7
Engineering notation
8.7087091 × 10^6
Prime Factorization
7 × 31 × 13 × 30871
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
87087091
Product of the distinct prime numbers
The prime factorization of 87087091 is 7 × 31 × 13 × 30871.
Since it has a total of 4 prime factors.
4 , 6 , 45 , 20 , 240 , 953 , 9774 , 8923 , 23506 , 61851 , 912801 , 692500 , 4786373 , 2274811 , 79317585 , 94464919 , 395897542 , 616772804 , 5386406481 , 3990095694
n×2
174174182
n×3
261261273
n×4
348348364
n×5
435435455
n÷2
43543545.5
n÷3
29029030.333333
n÷3
21771772.75
n÷5
17417418.2
n2
7584161418842281
n3
6.6048255564141E+23
n4
5.7519504427056E+31
n5
5.0092063163139E+39
2 √n
9332.0464529491
3 √n
443.25256893973
4 √n
96.602517839594
5 √n
38.724940288953
1 , 7 , 13 , 31 , 91 , 217 , 403 , 2821 , 30871 , 216097 , 401323 , 957001 , 2809261 , 6699007 , 12441013 , 87087091
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-87087090
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87087091 can be divided by 16 positive divisors.
The sum of these divisors (counting 87087091) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101001100001101011111110011
3
Ternary
20001212111000211
4
Quaternary
11030031133303
5
Quinary
134243241331
6
Senary
12350324551
8
Octal
514153763
10
Decimal
87087091
12
Duodecimal
251b9757
16
Hexadecimal
530d7f3
20
Vigesimal
1745heb
36
Base36
1fuktv
md5
13f915bb30bcd0dfa77a535d7528099b
sha1
cc1479fb1affff47bb68d3de2b788472a12647b4
sha256
4951d90b3b585be11f34ca08238698399051821f2a78a121618f7604072e4845
sha512
6d81e082213cdccf80c28e95bd50f787d66f88356407fc62d15d61a9d97d190558a78813d619c57fb7ca64f7286fa7583fd0b12ded96d084e83f478527fa61d5
ripemd-160
398584d91087d5fdc44eca9a7eecc69738fcf73e
Diameter
174174182
Circumference
547184330.61621
Area
2.3826345797074E+16
Volume
2.766622859503E+24
Surface area
9.5305383188296E+16
Circumference
547184330.61621
Perimeter
348348364
Area
7584161418842281
Diagonal
123159745.19982
Surface area
45504968513053686
Volume
6.6048255564141E+23
Space diagonal
150839266.29537
Perimeter
261261273
Area
3.2840382275596E+15
Altitude
75419633.147687
Surface area
3.2840382275596E+15
Volume
7.7838615658243E+22
Height
41053248.39994