66445764 is an even 8-digits composite number following 66445763
and preceding 66445765 . In scientific notation, it is written as 6.6445764 × 10^7.
The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors.
There are 17256960 positive integers (up to 66445764) that are relatively prime to 66445764.
66445764 has 24 divisors, whose sum is 133479808
The reverse of 66445764 is 46754466
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
sixty-six million four hundred forty-five thousand seven hundred sixty-four
Scientific notation
6.6445764 × 10^7
Engineering notation
6.6445764 × 10^6
Prime Factorization
2 × 2 × 231 × 7 × 10273
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
33222882
Product of the distinct prime numbers
The prime factorization of 66445764 is 2 × 2 × 231 × 7 × 10273.
Since it has a total of 5 prime factors.
9 , 8 , 29 , 77 , 247 , 794 , 4957 , 736 , 23300 , 98185 , 315869 , 260473 , 6896180 , 8469305 , 30101678 , 23060427 , 691832628 , 296569041 , 7958678873 , 6126287414
n×2
132891528
n×3
199337292
n×4
265783056
n×5
332228820
n÷2
33222882
n÷3
22148588
n÷3
16611441
n÷5
13289152.8
n2
4415039553543696
n3
2.9336067622543E+23
n4
1.9492574259355E+31
n5
1.2951989889896E+39
2 √n
8151.4271143156
3 √n
405.03177924689
4 √n
90.285254135521
5 √n
36.685416986703
1 , 2 , 4 , 7 , 14 , 28 , 231 , 462 , 924 , 1617 , 3234 , 6468 , 10273 , 20546 , 41092 , 71911 , 143822 , 287644 , 2373063 , 4746126 , 9492252 , 16611441 , 33222882 , 66445764
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66445763
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66445764 can be divided by 24 positive divisors.
The sum of these divisors (counting 66445764) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
11111101011110000111000100
3
Ternary
11122000210110020
4
Quaternary
3331132013010
5
Quinary
114002231024
6
Senary
10332055140
8
Octal
375360704
10
Decimal
66445764
12
Duodecimal
1a3044b0
16
Hexadecimal
3f5e1c4
20
Vigesimal
10f5e84
36
Base36
13k5vo
md5
2cff1fcb9e1b3d33995fe592c663c7ea
sha1
22780adbe73dcb6bd1c21b8bf11a727b4027ab68
sha256
7acf704cdb1b6c8375c55b680d55b62882acbc1d7ac0e5dfefd658361886d259
sha512
e8c8de95f9aa4f7c7d26fbbcbc5c0157a2024805346387e3cc48ac48325a24393ec8288887ad4c825bee35bfb460f2e38c2ec49713e8d1722aaaaef22686dd22
ripemd-160
b3ab1d03138f8e98e227f8875d331b239ba6a775
Diameter
132891528
Circumference
417491048.08912
Area
1.3870255826721E+16
Volume
1.2288263270426E+24
Surface area
5.5481023306885E+16
Circumference
417491048.08912
Perimeter
265783056
Area
4415039553543696
Diagonal
93968500.611042
Surface area
26490237321262176
Volume
2.9336067622543E+23
Space diagonal
115087439.19573
Perimeter
199337292
Area
1.911768206041E+15
Altitude
57543719.597866
Surface area
1.911768206041E+15
Volume
3.4572887248745E+22
Height
31322833.537014