664139968 is an even 9-digits composite number following 664139967
and preceding 664139969 . In scientific notation, it is written as 6.64139968 × 10^8.
The sum of its digits is 52. It has a total of 8 prime factors and 28 positive divisors.
There are 331285760 positive integers (up to 664139968) that are relatively prime to 664139968.
664139968 has 28 divisors, whose sum is 1321015392
The reverse of 664139968 is 869931466
Previous prime number is 431
Is Prime? no
Number parity even
Number length 9
Sum of Digits 52
Digital Root 7
Name
six hundred sixty-four million one hundred thirty-nine thousand nine hundred sixty-eight
Scientific notation
6.64139968 × 10^8
Engineering notation
6.64139968 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 431 × 24077
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
20754374
Product of the distinct prime numbers
The prime factorization of 664139968 is 2 × 2 × 2 × 2 × 2 × 2 × 431 × 24077.
Since it has a total of 8 prime factors.
7 , 2 , 81 , 80 , 525 , 438 , 1111 , 5658 , 46105 , 95515 , 765496 , 940311 , 6982130 , 4110643 , 87234133 , 61839252 , 172534699 , 733449253 , 4501279085 , 5598270636
n×2
1328279936
n×3
1992419904
n×4
2656559872
n×5
3320699840
n÷2
332069984
n÷3
221379989.33333
n÷3
166034992
n÷5
132827993.6
n2
441081897095041024
n3
2.9294011702208E+26
n4
1.9455323994496E+35
n5
1.2921058255134E+44
2 √n
25770.91321626
3 √n
872.47543021591
4 √n
160.53321530531
5 √n
58.136907089546
1 , 2 , 4 , 8 , 16 , 32 , 64 , 431 , 862 , 1724 , 3448 , 6896 , 13792 , 24077 , 27584 , 48154 , 96308 , 192616 , 385232 , 770464 , 1540928 , 10377187 , 20754374 , 41508748 , 83017496 , 166034992 , 332069984 , 664139968
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-664139967
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 664139968 can be divided by 28 positive divisors.
The sum of these divisors (counting 664139968) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
100111100101011111100011000000
3
Ternary
1201021200210202121
4
Quaternary
213211133203000
5
Quinary
2330004434333
6
Senary
145522454024
8
Octal
4745374300
10
Decimal
664139968
12
Duodecimal
166504314
16
Hexadecimal
2795f8c0
20
Vigesimal
a7ah9i8
36
Base36
azetog
md5
6e48cf8900bc14601211d2f796d7c660
sha1
20149b9116a85f05156dc443632d4e78ae526389
sha256
6f9dcadebc7213d522e22736ccf3e08251ee5cf79b7d064528e087f892de1ef5
sha512
76b86df3cca7f2b2d634ab8e81e6866c9a84fc86a4406084eb121298625fa85386470c596940f73f15cb31aa8fcd2e0548924acba053102c1086eba28d471f27
ripemd-160
c17c4d40100294dc9bbba73ac6e7fda4ba3c7f85
Diameter
1328279936
Circumference
4172914488.8483
Area
1.3856996475452E+18
Volume
1.2270646927711E+27
Surface area
5.5427985901809E+18
Circumference
4172914488.8483
Perimeter
2656559872
Area
441081897095041024
Diagonal
939235750.05963
Surface area
2646491382570246144
Volume
2.9294011702208E+26
Space diagonal
1150324167.9132
Perimeter
1992419904
Area
1.9099406401687E+17
Altitude
575162083.95658
Surface area
1.9099406401687E+17
Volume
3.4523323871316E+25
Height
313078583.35321