66193791 is an odd 8-digits composite number following 66193790
and preceding 66193792 . In scientific notation, it is written as 6.6193791 × 10^7.
The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors.
There are 44129192 positive integers (up to 66193791) that are relatively prime to 66193791.
66193791 has 4 divisors, whose sum is 88258392
The reverse of 66193791 is 19739166
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
sixty-six million one hundred ninety-three thousand seven hundred ninety-one
Scientific notation
6.6193791 × 10^7
Engineering notation
6.6193791 × 10^6
Prime Factorization
3 × 22064597
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
66193791
Product of the distinct prime numbers
The prime factorization of 66193791 is 3 × 22064597.
Since it has a total of 2 prime factors.
2 , 7 , 80 , 22 , 532 , 764 , 6468 , 8063 , 89990 , 44850 , 278400 , 832173 , 2526220 , 9434098 , 84695266 , 65950146 , 488372762 , 117264212 , 8976945259 , 3768508472
n×2
132387582
n×3
198581373
n×4
264775164
n×5
330968955
n÷2
33096895.5
n÷3
22064597
n÷3
16548447.75
n÷5
13238758.2
n2
4381617966951681
n3
2.9003590394624E+23
n4
1.9198576008314E+31
n5
1.2708265277919E+39
2 √n
8135.9566739259
3 √n
404.51914887273
4 √n
90.19953810262
5 √n
36.657551288441
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
-66193790
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 66193791 can be divided by 4 positive divisors.
The sum of these divisors (counting 66193791) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111100100000100101111111
3
Ternary
11121112222210220
4
Quaternary
3330200211333
5
Quinary
113421200131
6
Senary
10322432423
8
Octal
374404577
10
Decimal
66193791
12
Duodecimal
1a202713
16
Hexadecimal
3f2097f
20
Vigesimal
10de49b
36
Base36
13ergf
md5
48fcba0343c25993990209e72a8a8588
sha1
c23374d0fde29692cf86be718572940411ca6c37
sha256
3b9efbb1156b3653dba72af17e37da0048372176337a2e49af0f98722d59524c
sha512
c15e729ff4a6a87979dc29b8b7497c9273ab2923bda557867e20bfe2e3c01bb25a1ed4cdc6729e85ca633b347b3da0019e48f9affafdf1475ae04f6a44407519
ripemd-160
2139515bff69e383ae41524f8128263131243565
Diameter
132387582
Circumference
415907855.03772
Area
1.3765258815812E+16
Volume
1.2148995534864E+24
Surface area
5.506103526325E+16
Circumference
415907855.03772
Perimeter
264775164
Area
4381617966951681
Diagonal
93612156.97709
Surface area
26289707801710086
Volume
2.9003590394624E+23
Space diagonal
114651009.1576
Perimeter
198581373
Area
1.8972962345292E+15
Altitude
57325504.578798
Surface area
1.8972962345292E+15
Volume
3.4181059077993E+22
Height
31204052.325697