664757978 is an even 9-digits composite number following 664757977
and preceding 664757979 . In scientific notation, it is written as 6.64757978 × 10^8.
The sum of its digits is 59. It has a total of 4 prime factors and 16 positive divisors.
There are 314730000 positive integers (up to 664757978) that are relatively prime to 664757978.
664757978 has 16 divisors, whose sum is 1050135840
The reverse of 664757978 is 879757466
Previous prime number is 3251
Is Prime? no
Number parity even
Number length 9
Sum of Digits 59
Digital Root 5
Name
six hundred sixty-four million seven hundred fifty-seven thousand nine hundred seventy-eight
Scientific notation
6.64757978 × 10^8
Engineering notation
6.64757978 × 10^6
Prime Factorization
2 × 19 × 3251 × 5381
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
664757978
Product of the distinct prime numbers
The prime factorization of 664757978 is 2 × 19 × 3251 × 5381.
Since it has a total of 4 prime factors.
3 , 8 , 1 , 3 , 610 , 495 , 4147 , 6036 , 76535 , 7479 , 60186 , 445916 , 6865506 , 3681479 , 10894557 , 36079366 , 507190676 , 137336668 , 9093484353 , 477820916
n×2
1329515956
n×3
1994273934
n×4
2659031912
n×5
3323789890
n÷2
332378989
n÷3
221585992.66667
n÷3
166189494.5
n÷5
132951595.6
n2
441903169314648484
n3
2.937586573054E+26
n4
1.9527841105033E+35
n5
1.2981288167687E+44
2 √n
25782.900884113
3 √n
872.74597126854
4 √n
160.57054799718
5 √n
58.147722828907
1 , 2 , 19 , 38 , 3251 , 5381 , 6502 , 10762 , 61769 , 102239 , 123538 , 204478 , 17493631 , 34987262 , 332378989 , 664757978
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
-664757977
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 664757978 can be divided by 16 positive divisors.
The sum of these divisors (counting 664757978) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111100111110110011011011010
3
Ternary
1201022212012111212
4
Quaternary
213213312123122
5
Quinary
2330134223403
6
Senary
145544023122
8
Octal
4747663332
10
Decimal
664757978
12
Duodecimal
166761aa2
16
Hexadecimal
279f66da
20
Vigesimal
a7eeeii
36
Base36
azs2je
md5
5c17e3084c1a4eb7950398d96ed321e5
sha1
686651716ecee40fe7800cc30bd37c01e40bf692
sha256
905bab8a384623ac4b42ba418e8f688f2db20615122536468d6ea518c577bac5
sha512
d281d2582cdf4ba97d2706de13cecd0b247e1c9b85235f84ac4f73a6f7772af9e8e12df17deb521de777a40c4709b39c4c3353dadddfb213125a39497fcebfc6
ripemd-160
b04acd23c24db831cadb31a60dfb664fad1c5051
Diameter
1329515956
Circumference
4176797560.2
Area
1.3882797503169E+18
Volume
1.2304933862921E+27
Surface area
5.5531190012678E+18
Circumference
4176797560.2
Perimeter
2659031912
Area
441903169314648484
Diagonal
940109748.18332
Surface area
2651419015887890904
Volume
2.937586573054E+26
Space diagonal
1151394592.6328
Perimeter
1994273934
Area
1.9134968531967E+17
Altitude
575697296.31638
Surface area
1.9134968531967E+17
Volume
3.4619789768817E+25
Height
313369916.06111