66887816 is an even 8-digits composite number following 66887815
and preceding 66887817 . In scientific notation, it is written as 6.6887816 × 10^7.
The sum of its digits is 50. It has a total of 4 prime factors and 8 positive divisors.
There are 33443904 positive integers (up to 66887816) that are relatively prime to 66887816.
66887816 has 8 divisors, whose sum is 125414670
The reverse of 66887816 is 61878866
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 50
Digital Root 5
Name
sixty-six million eight hundred eighty-seven thousand eight hundred sixteen
Scientific notation
6.6887816 × 10^7
Engineering notation
6.6887816 × 10^6
Prime Factorization
2 × 2 × 2 × 8360977
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
16721954
Product of the distinct prime numbers
The prime factorization of 66887816 is 2 × 2 × 2 × 8360977.
Since it has a total of 4 prime factors.
5 , 2 , 20 , 33 , 337 , 374 , 4136 , 5991 , 9243 , 17324 , 157535 , 308623 , 1909063 , 4818401 , 71927197 , 98159928 , 734447271 , 162221068 , 3292993540 , 4795971686
n×2
133775632
n×3
200663448
n×4
267551264
n×5
334439080
n÷2
33443908
n÷3
22295938.666667
n÷3
16721954
n÷5
13377563.2
n2
4473979929249856
n3
2.9925474629536E+23
n4
2.0016496407331E+31
n5
1.3388597286582E+39
2 √n
8178.4971724639
3 √n
405.92799648468
4 √n
90.435043940189
5 √n
36.734099934317
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
-66887815
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 66887816 can be divided by 8 positive divisors.
The sum of these divisors (counting 66887816) is 1, the average is 0.125.
Base
System
Value
2
Binary
11111111001010000010001000
3
Ternary
11122212020211112
4
Quaternary
3333022002020
5
Quinary
114110402231
6
Senary
10345345452
8
Octal
377120210
10
Decimal
66887816
12
Duodecimal
1a498288
16
Hexadecimal
3fca088
20
Vigesimal
10i0jag
36
Base36
13tmyw
md5
0b4f34b952e5126af9a93e8e4c6a417e
sha1
7be913aa3ab00732952c001f5be717fd9df0145a
sha256
b80c15624482e7c9520c7a9000997838be17a27476c8a118bdd39a2f3533646d
sha512
10b9241c21a901b725af18461400e905146582da84a905400e64f815ace9f030af206835053a3b583075018b2bc93b332fdc4f0518b13d4de907ceed3cc7cc46
ripemd-160
4f6e65597c67db1df11bdec5b62439ccdae45b60
Diameter
133775632
Circumference
420268542.72053
Area
1.405542247804E+16
Volume
1.2535153500178E+24
Surface area
5.6221689912158E+16
Circumference
420268542.72053
Perimeter
267551264
Area
4473979929249856
Diagonal
94593656.544716
Surface area
26843879575499136
Volume
2.9925474629536E+23
Space diagonal
115853095.71932
Perimeter
200663448
Area
1.937290137376E+15
Altitude
57926547.859659
Surface area
1.937290137376E+15
Volume
3.5267510067951E+22
Height
31531218.848239