87085784 is an even 8-digits composite number following 87085783
and preceding 87085785 . In scientific notation, it is written as 8.7085784 × 10^7.
The sum of its digits is 47. It has a total of 5 prime factors and 16 positive divisors.
There are 42721120 positive integers (up to 87085784) that are relatively prime to 87085784.
87085784 has 16 divisors, whose sum is 166367520
The reverse of 87085784 is 48758078
Previous prime number is 53
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
eighty-seven million eighty-five thousand seven hundred eighty-four
Scientific notation
8.7085784 × 10^7
Engineering notation
8.7085784 × 10^6
Prime Factorization
2 × 2 × 2 × 53 × 205391
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21771446
Product of the distinct prime numbers
The prime factorization of 87085784 is 2 × 2 × 2 × 53 × 205391.
Since it has a total of 5 prime factors.
8 , 9 , 4 , 100 , 424 , 426 , 2457 , 2220 , 48487 , 28637 , 972287 , 849839 , 8832803 , 4185166 , 18967799 , 20467360 , 288909646 , 241017868 , 1539102917 , 838080159
n×2
174171568
n×3
261257352
n×4
348343136
n×5
435428920
n÷2
43542892
n÷3
29028594.666667
n÷3
21771446
n÷5
17417156.8
n2
7583933774894656
n3
6.6045281859078E+23
n4
5.7516051501988E+31
n5
5.008830437635E+39
2 √n
9331.9764251738
3 √n
443.25035148898
4 √n
96.602155385756
5 √n
38.724824051746
1 , 2 , 4 , 8 , 53 , 106 , 212 , 424 , 205391 , 410782 , 821564 , 1643128 , 10885723 , 21771446 , 43542892 , 87085784
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-87085783
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87085784 can be divided by 16 positive divisors.
The sum of these divisors (counting 87085784) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101001100001101001011011000
3
Ternary
20001212102020102
4
Quaternary
11030031023120
5
Quinary
134243221114
6
Senary
12350314532
8
Octal
514151330
10
Decimal
87085784
12
Duodecimal
251b8a48
16
Hexadecimal
530d2d8
20
Vigesimal
1745e94
36
Base36
1fujtk
md5
0a89cadbb8a772948cb36b170a5e5351
sha1
98aff228f05722948513cf5c8c7316a6ed9e669f
sha256
3aad1eed710466ea4e8769fa4d1ff67f1c4421a37ed3078eb8efd48d46660e51
sha512
8a05b43b935cf24555384ae7e7f7c1a96e36cd89d674a55afac7a4657b112c372a470d1f168105a284149eed68ed42b7c784568f5c90eccb8d49a777647f2730
ripemd-160
c0c6a3a7b3e3676ac981a30cf52dbe55fa6ca8a6
Diameter
174171568
Circumference
547176118.49302
Area
2.3825630632521E+16
Volume
2.7664982972366E+24
Surface area
9.5302522530082E+16
Circumference
547176118.49302
Perimeter
348343136
Area
7583933774894656
Diagonal
123157896.82269
Surface area
45503602649367936
Volume
6.6045281859078E+23
Space diagonal
150837002.50497
Perimeter
261257352
Area
3.2839396548388E+15
Altitude
75418501.252484
Surface area
3.2839396548388E+15
Volume
7.7835111113218E+22
Height
41052632.274231