639694766 is an even 9-digits composite number following 639694765
and preceding 639694767 . In scientific notation, it is written as 6.39694766 × 10^8.
The sum of its digits is 56. It has a total of 4 prime factors and 16 positive divisors.
There are 314987904 positive integers (up to 639694766) that are relatively prime to 639694766.
639694766 has 16 divisors, whose sum is 974160864
The reverse of 639694766 is 667496936
Previous prime number is 73
Is Prime? no
Number parity even
Number length 9
Sum of Digits 56
Digital Root 2
Name
six hundred thirty-nine million six hundred ninety-four thousand seven hundred sixty-six
Scientific notation
6.39694766 × 10^8
Engineering notation
6.39694766 × 10^6
Prime Factorization
2 × 743 × 73 × 5897
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
639694766
Product of the distinct prime numbers
The prime factorization of 639694766 is 2 × 743 × 73 × 5897.
Since it has a total of 4 prime factors.
2 , 8 , 72 , 100 , 527 , 576 , 4985 , 6859 , 74023 , 86242 , 896930 , 596734 , 1269168 , 4887094 , 60560574 , 71745314 , 484788339 , 80830556 , 652252424 , 8860453204
n×2
1279389532
n×3
1919084298
n×4
2558779064
n×5
3198473830
n÷2
319847383
n÷3
213231588.66667
n÷3
159923691.5
n÷5
127938953.2
n2
409209393647794756
n3
2.6176910731453E+26
n4
1.674523278496E+35
n5
1.071183776799E+44
2 √n
25292.187845262
3 √n
861.63685282742
4 √n
159.03517801185
5 √n
57.702490672597
1 , 2 , 73 , 146 , 743 , 1486 , 5897 , 11794 , 54239 , 108478 , 430481 , 860962 , 4381471 , 8762942 , 319847383 , 639694766
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
-639694765
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 639694766 can be divided by 16 positive divisors.
The sum of these divisors (counting 639694766) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110001000001111011110101110
3
Ternary
1122120200212020202
4
Quaternary
212020033132232
5
Quinary
2302230213031
6
Senary
143250513502
8
Octal
4610173656
10
Decimal
639694766
12
Duodecimal
15a295892
16
Hexadecimal
2620f7ae
20
Vigesimal
9ji1gi6
36
Base36
akuvn2
md5
d31ad6eccbfbffbc5cf4a38428e55c04
sha1
5fada4b6d3c98541ca5042f2d3832a88cc960962
sha256
ada59f157e639ee2983d26e868a5f52264378593397e91f12bc08e0f986ea95d
sha512
d8e2b0d327aa50e26d3d8722864d594792969af7ae0ae99eecd53ede47813a8df108ba87c7ed772e99692ff1a447e38fcf9bdf75969d6a15548fec4f3504a920
ripemd-160
f3a2d918d07fdb0b9eeb2ef37d9e86ae371849db
Diameter
1279389532
Circumference
4019320754.8109
Area
1.2855692248638E+18
Volume
1.0964958726348E+27
Surface area
5.1422768994554E+18
Circumference
4019320754.8109
Perimeter
2558779064
Area
409209393647794756
Diagonal
904665013.85628
Surface area
2455256361886768536
Volume
2.6176910731453E+26
Space diagonal
1107983836.0479
Perimeter
1919084298
Area
1.7719286518311E+17
Altitude
553991918.02394
Surface area
1.7719286518311E+17
Volume
3.0849785147875E+25
Height
301555004.61876