66528021 is an odd 8-digits composite number following 66528020
and preceding 66528022 . In scientific notation, it is written as 6.6528021 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors.
There are 35608320 positive integers (up to 66528021) that are relatively prime to 66528021.
66528021 has 32 divisors, whose sum is 107854848
The reverse of 66528021 is 12082566
Previous prime number is 331
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
sixty-six million five hundred twenty-eight thousand twenty-one
Scientific notation
6.6528021 × 10^7
Engineering notation
6.6528021 × 10^6
Prime Factorization
7 × 3 × 17 × 331 × 563
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
66528021
Product of the distinct prime numbers
The prime factorization of 66528021 is 7 × 3 × 17 × 331 × 563.
Since it has a total of 5 prime factors.
3 , 4 , 13 , 70 , 164 , 940 , 449 , 5708 , 22192 , 76146 , 469275 , 668414 , 9789213 , 535335 , 35173553 , 97166930 , 105441781 , 281533410 , 8005860617 , 8183518296
n×2
133056042
n×3
199584063
n×4
266112084
n×5
332640105
n÷2
33264010.5
n÷3
22176007
n÷3
16632005.25
n÷5
13305604.2
n2
4425977578176441
n3
2.9445152926645E+23
n4
1.9589277522521E+31
n5
1.3032358663931E+39
2 √n
8156.4711119454
3 √n
405.19884763618
4 √n
90.313183489153
5 √n
36.694495486198
1 , 3 , 7 , 17 , 21 , 51 , 119 , 331 , 357 , 563 , 993 , 1689 , 2317 , 3941 , 5627 , 6951 , 9571 , 11823 , 16881 , 28713 , 39389 , 66997 , 118167 , 186353 , 200991 , 559059 , 1304471 , 3168001 , 3913413 , 9504003 , 22176007 , 66528021
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66528020
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66528021 can be divided by 32 positive divisors.
The sum of these divisors (counting 66528021) is 1, the average is 0.03125.
Base
System
Value
2
Binary
11111101110010001100010101
3
Ternary
11122011222021210
4
Quaternary
3331302030111
5
Quinary
114012344041
6
Senary
10333532033
8
Octal
375621425
10
Decimal
66528021
12
Duodecimal
1a344019
16
Hexadecimal
3f72315
20
Vigesimal
10fg011
36
Base36
13lxcl
md5
91109edbe46ed5943c1deeebb5ec8f8f
sha1
a620f79c51c6fc989ef7682cb132c6e406ca1a9d
sha256
dece655fe7077bb955bf07d6ffacce09d46373007dbf5bb63f1fb2327495d269
sha512
14f2bfa8d8ea88a898cce75a78adaf6df9e10d325a81ae992e990b696e7f122f1159b85bcd2f89c8c869f7468982365ea461d621676b5b436d72cecbc332009d
ripemd-160
49a5408a51b8dc414a44fcb0c82fde9aa112ae6b
Diameter
133056042
Circumference
418007884.06293
Area
1.3904618644552E+16
Volume
1.2333956815757E+24
Surface area
5.5618474578209E+16
Circumference
418007884.06293
Perimeter
266112084
Area
4425977578176441
Diagonal
94084829.576042
Surface area
26555865469058646
Volume
2.9445152926645E+23
Space diagonal
115229912.49901
Perimeter
199584063
Area
1.9165045096406E+15
Altitude
57614956.249505
Surface area
1.9165045096406E+15
Volume
3.4701445512509E+22
Height
31361609.858681