639238799 is an odd 9-digits composite number following 639238798
and preceding 639238800 . In scientific notation, it is written as 6.39238799 × 10^8.
The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors.
There are 635993736 positive integers (up to 639238799) that are relatively prime to 639238799.
639238799 has 4 divisors, whose sum is 642483864
The reverse of 639238799 is 997832936
Previous prime number is 197
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 56
Digital Root 2
Name
six hundred thirty-nine million two hundred thirty-eight thousand seven hundred ninety-nine
Scientific notation
6.39238799 × 10^8
Engineering notation
6.39238799 × 10^6
Prime Factorization
197 × 3244867
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
639238799
Product of the distinct prime numbers
The prime factorization of 639238799 is 197 × 3244867.
Since it has a total of 2 prime factors.
3 , 9 , 13 , 13 , 104 , 309 , 1306 , 3808 , 35867 , 59810 , 327673 , 6355 , 411237 , 1758731 , 55994114 , 9516799 , 597685490 , 114649202 , 6765271770 , 149159877
n×2
1278477598
n×3
1917716397
n×4
2556955196
n×5
3196193995
n÷2
319619399.5
n÷3
213079599.66667
n÷3
159809699.75
n÷5
127847759.8
n2
408626242146962401
n3
2.6120974826991E+26
n4
1.6697540577115E+35
n5
1.0673715784769E+44
2 √n
25283.172249542
3 √n
861.43208258645
4 √n
159.00683082667
5 √n
57.69426239321
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-639238798
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 639238799 can be divided by 4 positive divisors.
The sum of these divisors (counting 639238799) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110000110100000001010001111
3
Ternary
1122112211200210002
4
Quaternary
212012200022033
5
Quinary
2302121120144
6
Senary
143233034515
8
Octal
4606401217
10
Decimal
639238799
12
Duodecimal
15a0b5a3b
16
Hexadecimal
261a028f
20
Vigesimal
9jf4gjj
36
Base36
akl3tb
md5
3b1a5e79435520f6e42881b1eb44a010
sha1
ab749b4cbda263d1dbf9d591be30952f029ca1c1
sha256
c980796085bdf4632c4a86aedc15f0b2545651fa67a419977268c280aaba4dd8
sha512
91c31a5c32927655eecccb827c5897c48b6a33f71f734d59f3350985c0a9c91f16ec2125b4d7924140dc2161faa2b104ad6026417ce60b71192c4b4654cf7422
ripemd-160
a4e4b6dc628f5c54ec7a031bc76ca86899718a51
Diameter
1278477598
Circumference
4016455829.6559
Area
1.2837372003929E+18
Volume
1.0941528349477E+27
Surface area
5.1349488015716E+18
Circumference
4016455829.6559
Perimeter
2556955196
Area
408626242146962401
Diagonal
904020179.14089
Surface area
2451757452881774406
Volume
2.6120974826991E+26
Space diagonal
1107194078.0373
Perimeter
1917716397
Area
1.7694035317612E+17
Altitude
553597039.01865
Surface area
1.7694035317612E+17
Volume
3.078386405228E+25
Height
301340059.71363