639734493 is an odd 9-digits composite number following 639734492
and preceding 639734494 . In scientific notation, it is written as 6.39734493 × 10^8.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 424790000 positive integers (up to 639734493) that are relatively prime to 639734493.
639734493 has 8 divisors, whose sum is 856378656
The reverse of 639734493 is 394437936
Previous prime number is 251
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
six hundred thirty-nine million seven hundred thirty-four thousand four hundred ninety-three
Scientific notation
6.39734493 × 10^8
Engineering notation
6.39734493 × 10^6
Prime Factorization
3 × 251 × 849581
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
639734493
Product of the distinct prime numbers
The prime factorization of 639734493 is 3 × 251 × 849581.
Since it has a total of 3 prime factors.
4 , 5 , 73 , 12 , 73 , 615 , 1068 , 2164 , 8476 , 72453 , 425257 , 315902 , 1278606 , 6395507 , 47914709 , 36336338 , 56421461 , 395996341 , 1148017232 , 4786134297
n×2
1279468986
n×3
1919203479
n×4
2558937972
n×5
3198672465
n÷2
319867246.5
n÷3
213244831
n÷3
159933623.25
n÷5
127946898.6
n2
409260221533967049
n3
2.618178803281E+26
n4
1.6749392893003E+35
n5
1.0715164370463E+44
2 √n
25292.97319415
3 √n
861.65468921882
4 √n
159.037647097
5 √n
57.703207354998
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
-639734492
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 639734493 can be divided by 8 positive divisors.
The sum of these divisors (counting 639734493) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110001000011001001011011101
3
Ternary
1122120202212202010
4
Quaternary
212020121023131
5
Quinary
2302233000433
6
Senary
143251421433
8
Octal
4610311335
10
Decimal
639734493
12
Duodecimal
15a2b4879
16
Hexadecimal
262192dd
20
Vigesimal
9ji6g4d
36
Base36
akvqal
md5
18e036fb064137aa349b2ba245ec561c
sha1
6ac582f1c75b0ccdace15fbf5d17aa5313670534
sha256
72d7d7438ed0b51d284590fe76e08a40c65858e22ec37f9ee8e0d3a92072cc64
sha512
237d0ca72213ff84bb160b6092c62be9d7782b6da94001a9cc24ce7a1d1745a595c1d6d959ae14b88a72cd7ad9dbb60ecb1fe982e32fbe6aeeb20c2958fd851a
ripemd-160
56b87bd4735f6461374237b9a6ddce615cd60617
Diameter
1279468986
Circumference
4019570366.9136
Area
1.2857289053776E+18
Volume
1.0967001725563E+27
Surface area
5.1429156215106E+18
Circumference
4019570366.9136
Perimeter
2558937972
Area
409260221533967049
Diagonal
904721196.31848
Surface area
2455561329203802294
Volume
2.618178803281E+26
Space diagonal
1108052645.2303
Perimeter
1919203479
Area
1.7721487430343E+17
Altitude
554026322.61516
Surface area
1.7721487430343E+17
Volume
3.0855533102648E+25
Height
301573732.10616