664457978 is an even 9-digits composite number following 664457977
and preceding 664457979 . In scientific notation, it is written as 6.64457978 × 10^8.
The sum of its digits is 56. It has a total of 3 prime factors and 8 positive divisors.
There are 332044924 positive integers (up to 664457978) that are relatively prime to 664457978.
664457978 has 8 divisors, whose sum is 997239168
The reverse of 664457978 is 879754466
Previous prime number is 1823
Is Prime? no
Number parity even
Number length 9
Sum of Digits 56
Digital Root 2
Name
six hundred sixty-four million four hundred fifty-seven thousand nine hundred seventy-eight
Scientific notation
6.64457978 × 10^8
Engineering notation
6.64457978 × 10^6
Prime Factorization
2 × 1823 × 182243
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
664457978
Product of the distinct prime numbers
The prime factorization of 664457978 is 2 × 1823 × 182243.
Since it has a total of 3 prime factors.
10 , 2 , 68 , 47 , 328 , 260 , 4211 , 2394 , 6683 , 54594 , 941754 , 858482 , 5816587 , 3326836 , 60050385 , 74555723 , 461796029 , 966739699 , 600481973 , 7737998150
n×2
1328915956
n×3
1993373934
n×4
2657831912
n×5
3322289890
n÷2
332228989
n÷3
221485992.66667
n÷3
166114494.5
n÷5
132891595.6
n2
441504404527848484
n3
2.9336112391067E+26
n4
1.9492613921749E+35
n5
1.295202283238E+44
2 √n
25777.082418303
3 √n
872.61466373695
4 √n
160.552428877
5 √n
58.142473560069
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-664457977
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 664457978 can be divided by 8 positive divisors.
The sum of these divisors (counting 664457978) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111100110101101001011111010
3
Ternary
1201022021221222202
4
Quaternary
213212231023322
5
Quinary
2330100123403
6
Senary
145533350202
8
Octal
4746551372
10
Decimal
664457978
12
Duodecimal
166638362
16
Hexadecimal
279ad2fa
20
Vigesimal
a7ch4ii
36
Base36
azln22
md5
d5282c58bb9b863c5fc5c39a5e933ec7
sha1
bfd4a40301652f3f7216b716bc184201662cc7df
sha256
60d430f32387a154ef253bc787d100ddb2940bc7c3e06b5aa0c8f169bb6e2f7d
sha512
a9b9c7a44caed3a7f7a971bd1daeec366ca78f73d31ee27856d636ca32433e694148e02dd936347be1ff7352c3246d1bdc5eb247eaa8961668f3638f3eb111f4
ripemd-160
bf3fcd42a0500e64e4fb15cb289b286c46be2297
Diameter
1328915956
Circumference
4174912604.6079
Area
1.3870269937922E+18
Volume
1.2288282023021E+27
Surface area
5.5481079751689E+18
Circumference
4174912604.6079
Perimeter
2657831912
Area
441504404527848484
Diagonal
939685484.1146
Surface area
2649026427167090904
Volume
2.9336112391067E+26
Space diagonal
1150874977.3905
Perimeter
1993373934
Area
1.9117701510192E+17
Altitude
575437488.69524
Surface area
1.9117701510192E+17
Volume
3.4572940008957E+25
Height
313228494.70487