87085931 is an odd 8-digits composite number following 87085930
and preceding 87085932 . In scientific notation, it is written as 8.7085931 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 86961000 positive integers (up to 87085931) that are relatively prime to 87085931.
87085931 has 4 divisors, whose sum is 87210864
The reverse of 87085931 is 13958078
Previous prime number is 701
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
eighty-seven million eighty-five thousand nine hundred thirty-one
Scientific notation
8.7085931 × 10^7
Engineering notation
8.7085931 × 10^6
Prime Factorization
701 × 124231
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
87085931
Product of the distinct prime numbers
The prime factorization of 87085931 is 701 × 124231.
Since it has a total of 2 prime factors.
4 , 6 , 9 , 94 , 428 , 483 , 1860 , 6381 , 91742 , 70502 , 299656 , 595685 , 1191480 , 4850043 , 96682269 , 69960449 , 96368242 , 504700503 , 6121236298 , 6913476788
n×2
174171862
n×3
261257793
n×4
348343724
n×5
435429655
n÷2
43542965.5
n÷3
29028643.666667
n÷3
21771482.75
n÷5
17417186.2
n2
7583959378136761
n3
6.6045616311122E+23
n4
5.7516439849229E+31
n5
5.0088727120756E+39
2 √n
9331.9843013156
3 √n
443.25060088967
4 √n
96.602196151617
5 √n
38.724837125167
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
-87085930
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 87085931 can be divided by 4 positive divisors.
The sum of these divisors (counting 87085931) is 1, the average is 0.25.
Base
System
Value
2
Binary
101001100001101001101101011
3
Ternary
20001212102102212
4
Quaternary
11030031031223
5
Quinary
134243222211
6
Senary
12350315335
8
Octal
514151553
10
Decimal
87085931
12
Duodecimal
251b8b4b
16
Hexadecimal
530d36b
20
Vigesimal
1745egb
36
Base36
1fujxn
md5
25af15edaec8c7a931c63de85fde4931
sha1
f7c48195edcce15f1a5418bb750f8c1922a2a063
sha256
824a20568677a945d55c939148f2689c96e22bb66e766421b19887bb1712dc39
sha512
dc4bf2ecb16810bace4d33f4ff8630a98fcb76345deb71df56a20bbc313d518020ee9383cd23ebf64a4cd4d2bdcce3a41ee0c9c244fc030abbef3350036d651d
ripemd-160
257bcb9ef48b20b231a787d30615eafb808b0b13
Diameter
174171862
Circumference
547177042.12126
Area
2.3825711067478E+16
Volume
2.7665123067311E+24
Surface area
9.5302844269911E+16
Circumference
547177042.12126
Perimeter
348343724
Area
7583959378136761
Diagonal
123158104.71209
Surface area
45503756268820566
Volume
6.6045616311122E+23
Space diagonal
150837257.11644
Perimeter
261257793
Area
3.2839507413678E+15
Altitude
75418628.558219
Surface area
3.2839507413678E+15
Volume
7.7835505268732E+22
Height
41052701.570696