66889618 is an even 8-digits composite number following 66889617
and preceding 66889619 . In scientific notation, it is written as 6.6889618 × 10^7.
The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors.
There are 33444808 positive integers (up to 66889618) that are relatively prime to 66889618.
66889618 has 4 divisors, whose sum is 100334430
The reverse of 66889618 is 81698866
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 52
Digital Root 7
Name
sixty-six million eight hundred eighty-nine thousand six hundred eighteen
Scientific notation
6.6889618 × 10^7
Engineering notation
6.6889618 × 10^6
Prime Factorization
2 × 33444809
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
66889618
Product of the distinct prime numbers
The prime factorization of 66889618 is 2 × 33444809.
Since it has a total of 2 prime factors.
9 , 7 , 3 , 44 , 805 , 211 , 3455 , 9554 , 41647 , 5623 , 700214 , 65126 , 8063287 , 856287 , 8780075 , 96568305 , 61660834 , 547613874 , 1103798 , 5866626862
n×2
133779236
n×3
200668854
n×4
267558472
n×5
334448090
n÷2
33444809
n÷3
22296539.333333
n÷3
16722404.5
n÷5
13377923.6
n2
4474220996185924
n3
2.9927893328246E+23
n4
2.0018653522711E+31
n5
1.3390400870085E+39
2 √n
8178.607338661
3 √n
405.93164177079
4 √n
90.435653028333
5 √n
36.734297860154
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
-66889617
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 66889618 can be divided by 4 positive divisors.
The sum of these divisors (counting 66889618) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111111001010011110010010
3
Ternary
11122212100022021
4
Quaternary
3333022132102
5
Quinary
114110431433
6
Senary
10345402054
8
Octal
377123622
10
Decimal
66889618
12
Duodecimal
1a49932a
16
Hexadecimal
3fca792
20
Vigesimal
10i140i
36
Base36
13tocy
md5
1047d8736db6dfd6e300ba702fa20bbe
sha1
bb2719aa31725dfdd35247cf04a78f80a251edf5
sha256
333d8be81c27cb9d8a3828012d039dbf0116ac42811075cf2977fac790a732e0
sha512
53e3374d01e4ac932b7719197ee021346fc5d2eb5098da84e18cd4fba88f67061c31b94f31786f7d94cac55f983b235a84ecb65dea46497d66d7bedbbe2c0792
ripemd-160
363d4d711d6e7bc616f75d220cdaf0670d88612d
Diameter
133779236
Circumference
420279865.02046
Area
1.4056179812155E+16
Volume
1.2536166642325E+24
Surface area
5.622471924862E+16
Circumference
420279865.02046
Perimeter
267558472
Area
4474220996185924
Diagonal
94596204.957556
Surface area
26845325977115544
Volume
2.9927893328246E+23
Space diagonal
115856216.87487
Perimeter
200668854
Area
1.9373945224214E+15
Altitude
57928108.437437
Surface area
1.9373945224214E+15
Volume
3.5270360531717E+22
Height
31532068.319185