68387584 is an even 8-digits composite number following 68387583
and preceding 68387585 . In scientific notation, it is written as 6.8387584 × 10^7.
The sum of its digits is 49. It has a total of 9 prime factors and 18 positive divisors.
There are 34193664 positive integers (up to 68387584) that are relatively prime to 68387584.
68387584 has 18 divisors, whose sum is 136508540
The reverse of 68387584 is 48578386
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
sixty-eight million three hundred eighty-seven thousand five hundred eighty-four
Scientific notation
6.8387584 × 10^7
Engineering notation
6.8387584 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 267139
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
9
Total number of prime factors
rad
Radical
534278
Product of the distinct prime numbers
The prime factorization of 68387584 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 267139.
Since it has a total of 9 prime factors.
3 , 2 , 84 , 26 , 813 , 216 , 2607 , 6434 , 48320 , 84628 , 463475 , 112088 , 6832059 , 862063 , 46571301 , 39078361 , 726348390 , 7090436 , 2547341463 , 3804198203
n×2
136775168
n×3
205162752
n×4
273550336
n×5
341937920
n÷2
34193792
n÷3
22795861.333333
n÷3
17096896
n÷5
13677516.8
n2
4676861645357056
n3
3.1983926862823E+23
n4
2.1873034849812E+31
n5
1.4958440081264E+39
2 √n
8269.6785910941
3 √n
408.93952394005
4 √n
90.937773180863
5 √n
36.897373480749
1 , 2 , 4 , 8 , 16 , 32 , 64 , 128 , 256 , 267139 , 534278 , 1068556 , 2137112 , 4274224 , 8548448 , 17096896 , 34193792 , 68387584
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68387583
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68387584 can be divided by 18 positive divisors.
The sum of these divisors (counting 68387584) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
100000100111000001100000000
3
Ternary
11202200110010111
4
Quaternary
10010320030000
5
Quinary
120001400314
6
Senary
10441441104
8
Octal
404701400
10
Decimal
68387584
12
Duodecimal
1aaa0194
16
Hexadecimal
4138300
20
Vigesimal
11788j4
36
Base36
14ps74
md5
c9ea24fe3fa8856940079d82e8975328
sha1
fe144adf04c917f9c2922dce9b86ed631f1aa021
sha256
a14ce4c0e67f645054d2fce67c62d7c3444658910cce5eb0fcefd12a3f9b7690
sha512
b65aa059405e09833887381403ab7c2cbfe1766822cb344790158bdfd5440e09ec89a194f984ed568af54f4cc806e7a024259a4f66a731decd09ad78021d14ac
ripemd-160
4a1d7b354d2cb86a1ab9e14afa3320295110ba99
Diameter
136775168
Circumference
429691862.98231
Area
1.469279418691E+16
Volume
1.339739595536E+24
Surface area
5.8771176747638E+16
Circumference
429691862.98231
Perimeter
273550336
Area
4676861645357056
Diagonal
96714648.790729
Surface area
28061169872142336
Volume
3.1983926862823E+23
Space diagonal
118450770.09488
Perimeter
205162752
Area
2.0251404974321E+15
Altitude
59225385.047442
Surface area
2.0251404974321E+15
Volume
3.7693419289462E+22
Height
32238216.263576