66694889 is an odd 8-digits composite number following 66694888
and preceding 66694890 . In scientific notation, it is written as 6.6694889 × 10^7.
The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors.
There are 66675924 positive integers (up to 66694889) that are relatively prime to 66694889.
66694889 has 4 divisors, whose sum is 66713856
The reverse of 66694889 is 98849666
Previous prime number is 4663
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 56
Digital Root 2
Name
sixty-six million six hundred ninety-four thousand eight hundred eighty-nine
Scientific notation
6.6694889 × 10^7
Engineering notation
6.6694889 × 10^6
Prime Factorization
4663 × 14303
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
66694889
Product of the distinct prime numbers
The prime factorization of 66694889 is 4663 × 14303.
Since it has a total of 2 prime factors.
3 , 4 , 80 , 77 , 550 , 184 , 2328 , 7746 , 62665 , 14350 , 449039 , 218527 , 3051612 , 3992204 , 45036501 , 96985480 , 490135304 , 940787911 , 2359377157 , 5772878463
n×2
133389778
n×3
200084667
n×4
266779556
n×5
333474445
n÷2
33347444.5
n÷3
22231629.666667
n÷3
16673722.25
n÷5
13338977.8
n2
4448208218722321
n3
2.9667275339657E+23
n4
1.9786556357109E+31
n5
1.3196621799296E+39
2 √n
8166.6938843084
3 √n
405.53734294337
4 √n
90.369762002057
5 √n
36.712884739027
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
-66694888
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 66694889 can be divided by 4 positive divisors.
The sum of these divisors (counting 66694889) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111110011010111011101001
3
Ternary
11122111110012002
4
Quaternary
3332122323221
5
Quinary
114033214024
6
Senary
10341300345
8
Octal
376327351
10
Decimal
66694889
12
Duodecimal
1a4046b5
16
Hexadecimal
3f9aee9
20
Vigesimal
10ggh49
36
Base36
13pi3t
md5
bcfab7d17651385fea1b712b8678312c
sha1
a212816907a3a3f0e7ea33345dfc64cef1e968f0
sha256
1801650c59437862c47c53abcfa391a52bbd750ac8b365a02d67d966ce146c9c
sha512
ae15a1949c9399010c183aa1fb3ec1eb5fbbe75765890bdbfd3ad2653cfb0ed12e89e5b8bbebdaa0e3af74d0f4c79d903fe614464aad2561284d8f2257ded645
ripemd-160
bb794bf5e7b38d1efaab2d71609508dfce9f06cd
Diameter
133389778
Circumference
419056346.62877
Area
1.3974458261576E+16
Volume
1.2426999234546E+24
Surface area
5.5897833046303E+16
Circumference
419056346.62877
Perimeter
266779556
Area
4448208218722321
Diagonal
94320816.564768
Surface area
26689249312333926
Volume
2.9667275339657E+23
Space diagonal
115518936.35317
Perimeter
200084667
Area
1.9261306593681E+15
Altitude
57759468.176583
Surface area
1.9261306593681E+15
Volume
3.4963219286667E+22
Height
31440272.188256