66886487 is an odd 8-digits composite number following 66886486
and preceding 66886488 . In scientific notation, it is written as 6.6886487 × 10^7.
The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors.
There are 66550176 positive integers (up to 66886487) that are relatively prime to 66886487.
66886487 has 4 divisors, whose sum is 67222800
The reverse of 66886487 is 78468866
Previous prime number is 199
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 53
Digital Root 8
Name
sixty-six million eight hundred eighty-six thousand four hundred eighty-seven
Scientific notation
6.6886487 × 10^7
Engineering notation
6.6886487 × 10^6
Prime Factorization
199 × 336113
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
66886487
Product of the distinct prime numbers
The prime factorization of 66886487 is 199 × 336113.
Since it has a total of 2 prime factors.
9 , 5 , 75 , 41 , 832 , 853 , 5287 , 8276 , 39010 , 20379 , 706465 , 259071 , 1793534 , 5552239 , 86904067 , 52165083 , 164541903 , 476312862 , 9299223503 , 2190394031
n×2
133772974
n×3
200659461
n×4
267545948
n×5
334432435
n÷2
33443243.5
n÷3
22295495.666667
n÷3
16721621.75
n÷5
13377297.4
n2
4473802143201169
n3
2.992369088918E+23
n4
2.0014905616511E+31
n5
1.338726724325E+39
2 √n
8178.4159224143
3 √n
405.92530799365
4 √n
90.434594721347
5 √n
36.733953958534
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
-66886486
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 66886487 can be divided by 4 positive divisors.
The sum of these divisors (counting 66886487) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111111001001101101010111
3
Ternary
11122212012000022
4
Quaternary
3333021231113
5
Quinary
114110331422
6
Senary
10345335355
8
Octal
377115527
10
Decimal
66886487
12
Duodecimal
1a49755b
16
Hexadecimal
3fc9b57
20
Vigesimal
10i0g47
36
Base36
13tlxz
md5
c351a9862564abe51d7485b8425c4996
sha1
9bdb3822dc1378c4272a3e2f57acf102d4b12d42
sha256
bd19754578a827b3e20cd140838ff4cb1049cf056266ea16a2954046a37d608c
sha512
5e4aadfdb0d2c395d60374e104c756fb766c1d02570adb99e2ca4ac38c053848ddb3270d95677e01447a48e6fd44012e3218cec7c9eee7a031dfe279c09616c1
ripemd-160
bcc8cac2a15eeb19ef991a8ea56ad6fc334383f9
Diameter
133772974
Circumference
420260192.36726
Area
1.4054863946695E+16
Volume
1.2534406328765E+24
Surface area
5.621945578678E+16
Circumference
420260192.36726
Perimeter
267545948
Area
4473802143201169
Diagonal
94591777.054892
Surface area
26842812859207014
Volume
2.992369088918E+23
Space diagonal
115850793.8238
Perimeter
200659461
Area
1.9372131537587E+15
Altitude
57925396.911898
Surface area
1.9372131537587E+15
Volume
3.5265407909782E+22
Height
31530592.351631