645528066 is an even 9-digits composite number following 645528065
and preceding 645528067 . In scientific notation, it is written as 6.45528066 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 208234800 positive integers (up to 645528066) that are relatively prime to 645528066.
645528066 has 16 divisors, whose sum is 1332703488
The reverse of 645528066 is 660825546
Previous prime number is 31
Is Prime? no
Number parity even
Number length 9
Sum of Digits 42
Digital Root 6
Name
six hundred forty-five million five hundred twenty-eight thousand sixty-six
Scientific notation
6.45528066 × 10^8
Engineering notation
6.45528066 × 10^6
Prime Factorization
2 × 3 × 31 × 3470581
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
645528066
Product of the distinct prime numbers
The prime factorization of 645528066 is 2 × 3 × 31 × 3470581.
Since it has a total of 4 prime factors.
4 , 4 , 9 , 90 , 816 , 289 , 532 , 5480 , 58918 , 94677 , 879361 , 100382 , 8566239 , 2813162 , 77932025 , 3575495 , 514168702 , 64081512 , 3462743626 , 1190234542
n×2
1291056132
n×3
1936584198
n×4
2582112264
n×5
3227640330
n÷2
322764033
n÷3
215176022
n÷3
161382016.5
n÷5
129105613.2
n2
416706483993700356
n3
2.6899573070211E+26
n4
1.7364429380239E+35
n5
1.1209226515019E+44
2 √n
25407.244360615
3 √n
864.24798640754
4 √n
159.3965004654
5 √n
57.807345325247
1 , 2 , 3 , 6 , 31 , 62 , 93 , 186 , 3470581 , 6941162 , 10411743 , 20823486 , 107588011 , 215176022 , 322764033 , 645528066
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-645528065
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 645528066 can be divided by 16 positive divisors.
The sum of these divisors (counting 645528066) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110011110011111101000000010
3
Ternary
1122222200020000220
4
Quaternary
212132133220002
5
Quinary
2310223344231
6
Senary
144015523510
8
Octal
4636375002
10
Decimal
645528066
12
Duodecimal
160229596
16
Hexadecimal
2679fa02
20
Vigesimal
a1eb036
36
Base36
aobwn6
md5
ff37c042f9baf31ed51ea7319db25540
sha1
248698df1393dda6bb245ce39653ee9f26848ff6
sha256
f40f45dad5cf2032fedc78c07166e30270ce9c259f2a00e8104eddf0082375e5
sha512
8b21276d568831f6e6bd671d51dfdecfb65122e9b7f65cda266295c075702842be817e9adb146f36955e85ae33536ff6a43a5e5bfd6ebc7a06ec97c3ceb41d81
ripemd-160
dce259448aaf178baedad49c7a470190617f24ce
Diameter
1291056132
Circumference
4055972459.6633
Area
1.3091220288178E+18
Volume
1.1267666818944E+27
Surface area
5.2364881152714E+18
Circumference
4055972459.6633
Perimeter
2582112264
Area
416706483993700356
Diagonal
912914545.82967
Surface area
2500238903962202136
Volume
2.6899573070211E+26
Space diagonal
1118087408.0237
Perimeter
1936584198
Area
1.8043920053012E+17
Altitude
559043704.01184
Surface area
1.8043920053012E+17
Volume
3.1701450881616E+25
Height
304304848.60989