87013971 is an odd 8-digits composite number following 87013970
and preceding 87013972 . In scientific notation, it is written as 8.7013971 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 52735680 positive integers (up to 87013971) that are relatively prime to 87013971.
87013971 has 12 divisors, whose sum is 137113080
The reverse of 87013971 is 17931078
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
eighty-seven million thirteen thousand nine hundred seventy-one
Scientific notation
8.7013971 × 10^7
Engineering notation
8.7013971 × 10^6
Prime Factorization
3 × 3 × 11 × 878929
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
29004657
Product of the distinct prime numbers
The prime factorization of 87013971 is 3 × 3 × 11 × 878929.
Since it has a total of 4 prime factors.
8 , 2 , 81 , 86 , 773 , 762 , 2789 , 4808 , 56744 , 91865 , 919726 , 637676 , 1845815 , 8319158 , 29373897 , 69313660 , 166354889 , 960719702 , 7575844683 , 4043894082
n×2
174027942
n×3
261041913
n×4
348055884
n×5
435069855
n÷2
43506985.5
n÷3
29004657
n÷3
21753492.75
n÷5
17402794.2
n2
7571431149188841
n3
6.5882029044401E+23
n4
5.7326569646907E+31
n5
4.9882124687855E+39
2 √n
9328.1279472357
3 √n
443.12847973751
4 √n
96.58223411806
5 √n
38.718435262648
1 , 3 , 9 , 11 , 33 , 99 , 878929 , 2636787 , 7910361 , 9668219 , 29004657 , 87013971
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
-87013970
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 87013971 can be divided by 12 positive divisors.
The sum of these divisors (counting 87013971) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
101001011111011101001010011
3
Ternary
20001201202201200
4
Quaternary
11023323221103
5
Quinary
134233421341
6
Senary
12345002243
8
Octal
513735123
10
Decimal
87013971
12
Duodecimal
25183383
16
Hexadecimal
52fba53
20
Vigesimal
173geib
36
Base36
1ft0er
md5
0c7e84e2afa581a40482fc3454118f32
sha1
3e25726ca0d4201e294205c2baadbc2b7c3ac9ed
sha256
2d0ac79fe377fc9dba245e7214183aa9c3fbe073cce47cc9cd3179abdcee422e
sha512
029e313e5573ffb812573a79b98c8d122275a594f77927c3a042ef800dab83b70c3cead6a3052071f85182b2a6e7225e3f1e8a95f9743e38b0f21105eeff4f5a
ripemd-160
6f38eb641e5250ed48490400f6c9c19981eb6c5b
Diameter
174027942
Circumference
546724904.10655
Area
2.3786352475453E+16
Volume
2.7596599793264E+24
Surface area
9.514540990181E+16
Circumference
546724904.10655
Perimeter
348055884
Area
7571431149188841
Diagonal
123056337.90414
Surface area
45428586895133046
Volume
6.5882029044401E+23
Space diagonal
150712618.74032
Perimeter
261041913
Area
3.2785258591012E+15
Altitude
75356309.370162
Surface area
3.2785258591012E+15
Volume
7.7642715826042E+22
Height
41018779.30138