87081957 is an odd 8-digits composite number following 87081956
and preceding 87081958 . In scientific notation, it is written as 8.7081957 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 57927528 positive integers (up to 87081957) that are relatively prime to 87081957.
87081957 has 12 divisors, whose sum is 126060480
The reverse of 87081957 is 75918078
Previous prime number is 467
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
eighty-seven million eighty-one thousand nine hundred fifty-seven
Scientific notation
8.7081957 × 10^7
Engineering notation
8.7081957 × 10^6
Prime Factorization
3 × 3 × 467 × 20719
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
29027319
Product of the distinct prime numbers
The prime factorization of 87081957 is 3 × 3 × 467 × 20719.
Since it has a total of 4 prime factors.
1 , 1 , 19 , 86 , 97 , 766 , 9884 , 5888 , 60861 , 55188 , 286710 , 599028 , 5529518 , 9976367 , 44462346 , 71485665 , 86056428 , 683688236 , 632018265 , 598910508
n×2
174163914
n×3
261245871
n×4
348327828
n×5
435409785
n÷2
43540978.5
n÷3
29027319
n÷3
21770489.25
n÷5
17416391.4
n2
7583267234949849
n3
6.6036575127341E+23
n4
5.7505941956664E+31
n5
5.0077299647147E+39
2 √n
9331.7713752535
3 √n
443.24385848914
4 √n
96.601094068615
5 √n
38.724483691931
1 , 3 , 9 , 467 , 1401 , 4203 , 20719 , 62157 , 186471 , 9675773 , 29027319 , 87081957
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
-87081956
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 87081957 can be divided by 12 positive divisors.
The sum of these divisors (counting 87081957) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
101001100001100001111100101
3
Ternary
20001212012222200
4
Quaternary
11030030033211
5
Quinary
134243110312
6
Senary
12350245113
8
Octal
514141745
10
Decimal
87081957
12
Duodecimal
251b6799
16
Hexadecimal
530c3e5
20
Vigesimal
17454hh
36
Base36
1fugv9
md5
7082e80e26826d5c69fb4b7a5c56fd62
sha1
0d90b06c64cff2cac3da38c39247790875592103
sha256
e6d15a02b6890fd8a12f04067bf6a68680ee3ed85c246b935b302f0c514c844f
sha512
b577619ffa4aea9b2ca2847f54da404df5d3ccf1162438422601c6ecd503914b7170b488a610fdf0d42440be69cf590f952806d31cb92e1d6c95f78a8b85dce6
ripemd-160
d163135a50181911561c85b2e4dba0eb5e8ce17f
Diameter
174163914
Circumference
547152072.74284
Area
2.3823536635527E+16
Volume
2.7661335905105E+24
Surface area
9.5294146542107E+16
Circumference
547152072.74284
Perimeter
348327828
Area
7583267234949849
Diagonal
123152484.62739
Surface area
45499603409699094
Volume
6.6036575127341E+23
Space diagonal
150830373.94653
Perimeter
261245871
Area
3.2836510345764E+15
Altitude
75415186.973264
Surface area
3.2836510345764E+15
Volume
7.7824850131463E+22
Height
41050828.20913