87081949 is an odd 8-digits composite number following 87081948
and preceding 87081950 . In scientific notation, it is written as 8.7081949 × 10^7.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 87062364 positive integers (up to 87081949) that are relatively prime to 87081949.
87081949 has 4 divisors, whose sum is 87101536
The reverse of 87081949 is 94918078
Previous prime number is 6823
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
eighty-seven million eighty-one thousand nine hundred forty-nine
Scientific notation
8.7081949 × 10^7
Engineering notation
8.7081949 × 10^6
Prime Factorization
6823 × 12763
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
87081949
Product of the distinct prime numbers
The prime factorization of 87081949 is 6823 × 12763.
Since it has a total of 2 prime factors.
4 , 7 , 70 , 38 , 596 , 72 , 5058 , 1190 , 19335 , 10000 , 546517 , 172878 , 3067114 , 8874151 , 41706454 , 55655099 , 97169002 , 653095802 , 7833992253 , 7464485958
n×2
174163898
n×3
261245847
n×4
348327796
n×5
435409745
n÷2
43540974.5
n÷3
29027316.333333
n÷3
21770487.25
n÷5
17416389.8
n2
7583265841638601
n3
6.6036556927501E+23
n4
5.7505920824963E+31
n5
5.0077276644774E+39
2 √n
9331.7709466103
3 √n
443.24384491591
4 √n
96.60109184999
5 √n
38.724482980427
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
-87081948
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 87081949 can be divided by 4 positive divisors.
The sum of these divisors (counting 87081949) is 1, the average is 0.25.
Base
System
Value
2
Binary
101001100001100001111011101
3
Ternary
20001212012222101
4
Quaternary
11030030033131
5
Quinary
134243110244
6
Senary
12350245101
8
Octal
514141735
10
Decimal
87081949
12
Duodecimal
251b6791
16
Hexadecimal
530c3dd
20
Vigesimal
17454h9
36
Base36
1fugv1
md5
baa79fc160f2678e3af11c5e0e2170cb
sha1
a37d52163adec7bc6e3564dd8ab331c3e4f556f8
sha256
1580dce2de03f01204c333f44578e7d1eb8106688002afa7b4edef823f024727
sha512
edf33a7779708d5e24eab699a2b29939056c08c594efb3a53a2548e9b68b837316a3d3390cfd20bc9dec493e4585f587e754ca7349b147a2f306996044d1b4c4
ripemd-160
f1e3ae39533b3ffc460877c0fbc71fc9da9c763f
Diameter
174163898
Circumference
547152022.47736
Area
2.382353225831E+16
Volume
2.7661328281574E+24
Surface area
9.5294129033241E+16
Circumference
547152022.47736
Perimeter
348327796
Area
7583265841638601
Diagonal
123152473.31368
Surface area
45499595049831606
Volume
6.6036556927501E+23
Space diagonal
150830360.09012
Perimeter
261245847
Area
3.2836504312549E+15
Altitude
75415180.045061
Surface area
3.2836504312549E+15
Volume
7.7824828682746E+22
Height
41050824.437894