87085871 is an odd 8-digits composite number following 87085870
and preceding 87085872 . In scientific notation, it is written as 8.7085871 × 10^7.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 87035352 positive integers (up to 87085871) that are relatively prime to 87085871.
87085871 has 4 divisors, whose sum is 87136392
The reverse of 87085871 is 17858078
Previous prime number is 1787
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
eighty-seven million eighty-five thousand eight hundred seventy-one
Scientific notation
8.7085871 × 10^7
Engineering notation
8.7085871 × 10^6
Prime Factorization
1787 × 48733
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
87085871
Product of the distinct prime numbers
The prime factorization of 87085871 is 1787 × 48733.
Since it has a total of 2 prime factors.
2 , 10 , 20 , 20 , 416 , 876 , 4726 , 2145 , 62834 , 51817 , 531719 , 940609 , 3767211 , 8481115 , 75194188 , 30378322 , 467647237 , 588066550 , 3817214882 , 380989880
n×2
174171742
n×3
261257613
n×4
348343484
n×5
435429355
n÷2
43542935.5
n÷3
29028623.666667
n÷3
21771467.75
n÷5
17417174.2
n2
7583948927828641
n3
6.6045479799947E+23
n4
5.7516281339913E+31
n5
5.0088554571674E+39
2 √n
9331.9810865646
3 √n
443.2504990935
4 √n
96.602179512497
5 √n
38.724831789079
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
-87085870
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 87085871 can be divided by 4 positive divisors.
The sum of these divisors (counting 87085871) is 1, the average is 0.25.
Base
System
Value
2
Binary
101001100001101001100101111
3
Ternary
20001212102100122
4
Quaternary
11030031030233
5
Quinary
134243221441
6
Senary
12350315155
8
Octal
514151457
10
Decimal
87085871
12
Duodecimal
251b8abb
16
Hexadecimal
530d32f
20
Vigesimal
1745edb
36
Base36
1fujvz
md5
b9675fb8f525ebb5e51602c303d6d257
sha1
4493f51785c6f0daf0df6dc2d1b836772e643935
sha256
643112fc64947499d5323ddec17c22177cb24c14fb3c4fb7f01d4a7c69caade9
sha512
64feab00b86f371c85c1e8f9b9b5a4c9af126c1ead90aa47218bb27537561c4f2c2ec12978d8b5052881f60f2215b9f34ebd565923e73d55932b2cf6e81fbb40
ripemd-160
0502f8d1815d8ee24ee6e8d5c50b691f546bde8b
Diameter
174171742
Circumference
547176665.13014
Area
2.3825678236867E+16
Volume
2.7665065885644E+24
Surface area
9.5302712947467E+16
Circumference
547176665.13014
Perimeter
348343484
Area
7583948927828641
Diagonal
123158019.85927
Surface area
45503693566971846
Volume
6.6045479799947E+23
Space diagonal
150837153.19339
Perimeter
261257613
Area
3.2839462162517E+15
Altitude
75418576.596695
Surface area
3.2839462162517E+15
Volume
7.783534438877E+22
Height
41052673.286425