66887911 is an odd 8-digits composite number following 66887910
and preceding 66887912 . In scientific notation, it is written as 6.6887911 × 10^7.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 62953312 positive integers (up to 66887911) that are relatively prime to 66887911.
66887911 has 4 divisors, whose sum is 70822512
The reverse of 66887911 is 11978866
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
sixty-six million eight hundred eighty-seven thousand nine hundred eleven
Scientific notation
6.6887911 × 10^7
Engineering notation
6.6887911 × 10^6
Prime Factorization
17 × 3934583
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
66887911
Product of the distinct prime numbers
The prime factorization of 66887911 is 17 × 3934583.
Since it has a total of 2 prime factors.
1 , 8 , 63 , 90 , 55 , 855 , 3985 , 7622 , 27758 , 58185 , 438522 , 345849 , 8586855 , 5462783 , 54077020 , 76467869 , 492566309 , 992304730 , 8658125160 , 115400774
n×2
133775822
n×3
200663733
n×4
267551644
n×5
334439555
n÷2
33443955.5
n÷3
22295970.333333
n÷3
16721977.75
n÷5
13377582.2
n2
4473992637943921
n3
2.9925602138145E+23
n4
2.0016610124376E+31
n5
1.338869236521E+39
2 √n
8178.5029803748
3 √n
405.92818866288
4 √n
90.435076051136
5 √n
36.734110368916
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66887910
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66887911 can be divided by 4 positive divisors.
The sum of these divisors (counting 66887911) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111111001010000011100111
3
Ternary
11122212020222001
4
Quaternary
3333022003213
5
Quinary
114110403121
6
Senary
10345350131
8
Octal
377120347
10
Decimal
66887911
12
Duodecimal
1a498347
16
Hexadecimal
3fca0e7
20
Vigesimal
10i0jfb
36
Base36
13tn1j
md5
fd3f7affb809d2b2bb044a0aef3eac43
sha1
a133d37bab091864eac9259644243f1d78687703
sha256
54045fef98ffb8ccacb483fbfb86adc13c4742bbfa46b0e9b8d7d0fc1299db5f
sha512
4dde5ab34118a5e018335af223096099504e5b2202eda9b5de04a69743cfd72bc6121fb24339e07010b4f652996b2305795d8a9a6b0ba72a22e3f3fbcd1c0b2c
ripemd-160
1bc9db3a2f8175e33223be5f83b887e4c7222794
Diameter
133775822
Circumference
420269139.62314
Area
1.4055462403579E+16
Volume
1.253520691086E+24
Surface area
5.6221849614318E+16
Circumference
420269139.62314
Perimeter
267551644
Area
4473992637943921
Diagonal
94593790.895005
Surface area
26843955827663526
Volume
2.9925602138145E+23
Space diagonal
115853260.26415
Perimeter
200663733
Area
1.937295640402E+15
Altitude
57926630.132073
Surface area
1.937295640402E+15
Volume
3.5267660338288E+22
Height
31531263.631668