86781864 is an even 8-digits composite number following 86781863
and preceding 86781865 . In scientific notation, it is written as 8.6781864 × 10^7.
The sum of its digits is 48. It has a total of 5 prime factors and 16 positive divisors.
There are 26702016 positive integers (up to 86781864) that are relatively prime to 86781864.
86781864 has 16 divisors, whose sum is 166888800
The reverse of 86781864 is 46818768
Previous prime number is 39
Is Prime? no
Number parity even
Number length 8
Sum of Digits 48
Digital Root 3
Name
eighty-six million seven hundred eighty-one thousand eight hundred sixty-four
Scientific notation
8.6781864 × 10^7
Engineering notation
8.6781864 × 10^6
Prime Factorization
2 × 2 × 2 × 39 × 278147
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21695466
Product of the distinct prime numbers
The prime factorization of 86781864 is 2 × 2 × 2 × 39 × 278147.
Since it has a total of 5 prime factors.
9 , 6 , 23 , 22 , 298 , 421 , 3886 , 6542 , 84790 , 72106 , 803756 , 833566 , 8462163 , 6182103 , 85392715 , 20754719 , 632567176 , 91864461 , 5443621386 , 1305926887
n×2
173563728
n×3
260345592
n×4
347127456
n×5
433909320
n÷2
43390932
n÷3
28927288
n÷3
21695466
n÷5
17356372.8
n2
7531091919314496
n3
6.5356219471345E+23
n4
5.6717345497164E+31
n5
4.9220369633759E+39
2 √n
9315.6783971968
3 √n
442.73411850564
4 √n
96.517762081375
5 √n
38.697757148667
1 , 2 , 4 , 8 , 39 , 78 , 156 , 312 , 278147 , 556294 , 1112588 , 2225176 , 10847733 , 21695466 , 43390932 , 86781864
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
-86781863
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 86781864 can be divided by 16 positive divisors.
The sum of these divisors (counting 86781864) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101001011000010111110101000
3
Ternary
20001021222100010
4
Quaternary
11023002332220
5
Quinary
134204004424
6
Senary
12340011520
8
Octal
513027650
10
Decimal
86781864
12
Duodecimal
25090ba0
16
Hexadecimal
52c2fa8
20
Vigesimal
1727ed4
36
Base36
1fo1bc
md5
64880137e8321708f72ef3dd68cb0599
sha1
750b61b86b363289b5d565ee9476011aa12a13f5
sha256
b3fe04f9b28ef1657eee0944548e768562ec8a520de47db9218c81486a1e2973
sha512
99b946d131c9dba78bb048b7d78e92c1d3b390874e4643ceffe209361726dbf38260f354282fc179c215186613ec11d9e14d4c991945df9b36596d289753a0d0
ripemd-160
cd29249c093a19f0f6ee545d31d13eda630cfe3e
Diameter
173563728
Circumference
545266532.81446
Area
2.3659623047228E+16
Volume
2.7376349194344E+24
Surface area
9.4638492188912E+16
Circumference
545266532.81446
Perimeter
347127456
Area
7531091919314496
Diagonal
122728089.03682
Surface area
45186551515886976
Volume
6.5356219471345E+23
Space diagonal
150310597.62353
Perimeter
260345592
Area
3.261058460181E+15
Altitude
75155298.811766
Surface area
3.261058460181E+15
Volume
7.7023043301507E+22
Height
40909363.012272