68179987 is an odd 8-digits composite number following 68179986
and preceding 68179988 . In scientific notation, it is written as 6.8179987 × 10^7.
The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors.
There are 66676104 positive integers (up to 68179987) that are relatively prime to 68179987.
68179987 has 8 divisors, whose sum is 69696000
The reverse of 68179987 is 78997186
Previous prime number is 199
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 55
Digital Root 1
Name
sixty-eight million one hundred seventy-nine thousand nine hundred eighty-seven
Scientific notation
6.8179987 × 10^7
Engineering notation
6.8179987 × 10^6
Prime Factorization
59 × 199 × 5807
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
68179987
Product of the distinct prime numbers
The prime factorization of 68179987 is 59 × 199 × 5807.
Since it has a total of 3 prime factors.
10 , 5 , 78 , 46 , 969 , 664 , 6494 , 2773 , 42846 , 54375 , 482093 , 521895 , 4502885 , 4248906 , 13975188 , 51028744 , 911353684 , 822679086 , 6490948687 , 8960674335
n×2
136359974
n×3
204539961
n×4
272719948
n×5
340899935
n÷2
34089993.5
n÷3
22726662.333333
n÷3
17044996.75
n÷5
13635997.4
n2
4648510627320169
n3
3.1693539414005E+23
n4
2.1608651052309E+31
n5
1.4732775478339E+39
2 √n
8257.1173541376
3 √n
408.52531295597
4 √n
90.868681921428
5 √n
36.874945135221
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68179986
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68179987 can be divided by 8 positive divisors.
The sum of these divisors (counting 68179987) is 1, the average is 0.125.
Base
System
Value
2
Binary
100000100000101100000010011
3
Ternary
11202021220100201
4
Quaternary
10010011200103
5
Quinary
114423224422
6
Senary
10433200031
8
Octal
404054023
10
Decimal
68179987
12
Duodecimal
1aa00017
16
Hexadecimal
4105813
20
Vigesimal
11629j7
36
Base36
14lc0j
md5
905f8ad35b8ceb90ca8e3ab0ee301659
sha1
a796566703a4f6d1da05270dbc2d7adfb3a40164
sha256
ef3002cb4012e85b963348789e262567f555ef8f643bd35d472deb4ed83f3a6f
sha512
70593a9c5156a1b518e78358c9ed7e3979cd52d2557643acafd5eb795cd3e70c3af5249f56acabdbb618c1ae432ea2672b9d2264fff5cfdee3c01cd92dbb5f45
ripemd-160
2b07a79aeb5e8b497da28708c2f12d6aba33e6c7
Diameter
136359974
Circumference
428387492.5621
Area
1.4603726836923E+16
Volume
1.327575874524E+24
Surface area
5.8414907347692E+16
Circumference
428387492.5621
Perimeter
272719948
Area
4648510627320169
Diagonal
96421062.297821
Surface area
27891063763921014
Volume
3.1693539414005E+23
Space diagonal
118091201.54339
Perimeter
204539961
Area
2.0128641465106E+15
Altitude
59045600.771693
Surface area
2.0128641465106E+15
Volume
3.7351194399077E+22
Height
32140354.099274