664187813 is an odd 9-digits composite number following 664187812
and preceding 664187814 . In scientific notation, it is written as 6.64187813 × 10^8.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 635310060 positive integers (up to 664187813) that are relatively prime to 664187813.
664187813 has 4 divisors, whose sum is 693065568
The reverse of 664187813 is 318781466
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
six hundred sixty-four million one hundred eighty-seven thousand eight hundred thirteen
Scientific notation
6.64187813 × 10^8
Engineering notation
6.64187813 × 10^6
Prime Factorization
23 × 28877731
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
664187813
Product of the distinct prime numbers
The prime factorization of 664187813 is 23 × 28877731.
Since it has a total of 2 prime factors.
3 , 1 , 77 , 3 , 803 , 732 , 4382 , 1243 , 57144 , 20985 , 915595 , 286229 , 9728615 , 9750556 , 93906177 , 71811219 , 160080527 , 378825389 , 7817820744 , 2978487827
n×2
1328375626
n×3
1992563439
n×4
2656751252
n×5
3320939065
n÷2
332093906.5
n÷3
221395937.66667
n÷3
166046953.25
n÷5
132837562.6
n2
441145450937722969
n3
2.9300343227323E+26
n4
1.9460930888305E+35
n5
1.2925713125647E+44
2 √n
25771.841474757
3 √n
872.49638091235
4 √n
160.53610645197
5 √n
58.137744708211
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
-664187812
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 664187813 can be divided by 4 positive divisors.
The sum of these divisors (counting 664187813) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111100101101011001110100101
3
Ternary
1201021210020101122
4
Quaternary
213211223032211
5
Quinary
2330013002223
6
Senary
145523503325
8
Octal
4745531645
10
Decimal
664187813
12
Duodecimal
166527b45
16
Hexadecimal
2796b3a5
20
Vigesimal
a7b39ad
36
Base36
azfulh
md5
871296c257a1071245e7131d8ae9a8f5
sha1
83772f0ff72508359bcf888c6b8e1cdf42285ff0
sha256
38694cb18df698576ef1757e4e8098cddefa6f668adcd90556e08836510d8c70
sha512
731b2b6bb0f8785362894998e4345f46e193e46bd29a2c5ccd5551a240a3a0c369b745212868bd968d4820043b2ef4891d116d1717151779ea8448539f5a2522
ripemd-160
ae70b292ee657f52b7da1350070726f15642c92f
Diameter
1328375626
Circumference
4173215107.8493
Area
1.3858993078305E+18
Volume
1.2273299070749E+27
Surface area
5.543597231322E+18
Circumference
4173215107.8493
Perimeter
2656751252
Area
441145450937722969
Diagonal
939303413.10753
Surface area
2646872705626337814
Volume
2.9300343227323E+26
Space diagonal
1150407037.8841
Perimeter
1992563439
Area
1.91021583638E+17
Altitude
575203518.94203
Surface area
1.91021583638E+17
Volume
3.4530785645222E+25
Height
313101137.70251