638396980 is an even 9-digits composite number following 638396979
and preceding 638396981 . In scientific notation, it is written as 6.38396980 × 10^8.
The sum of its digits is 52. It has a total of 5 prime factors and 24 positive divisors.
There are 235715712 positive integers (up to 638396980) that are relatively prime to 638396980.
638396980 has 24 divisors, whose sum is 1443759912
The reverse of 638396980 is 089693836
Previous prime number is 5
Is Prime? no Number parity even Number length 9 Sum of Digits 52 Digital Root 7
Name
six hundred thirty-eight million three hundred ninety-six thousand nine hundred eighty
Scientific notation
6.38396980 × 10^8
Engineering notation
6.38396980 × 10^6
Prime Factorization
2 × 2 × 13 × 5 × 2455373
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
319198490 Product of the distinct prime numbers
The prime factorization of 638396980 is 2 × 2 × 13 × 5 × 2455373.
Since it has a total of 5 prime factors.
8 , 5 , 99 , 56 , 46 , 169 , 6758 , 5858 , 66332 , 33908 , 727053 , 325319 , 6504575 , 9536286 , 25852090 , 77693796 , 87032759 , 654755446 , 8167460228 , 2828016959
n×2
1276793960
n×3
1915190940
n×4
2553587920
n×5
3191984900
n÷2
319198490
n÷3
212798993.33333
n÷3
159599245
n÷5
127679396
n2
407550704073120400
n3
2.6017913867715E+26
n4
1.660975763905E+35
n5
1.0603619115301E+44
2 √n25266.518952954
3 √n861.05377406491
4 √n158.95445559327
5 √n57.679058769621
1 , 2 , 4 , 5 , 10 , 13 , 20 , 26 , 52 , 65 , 130 , 260 , 2455373 , 4910746 , 9821492 , 12276865 , 24553730 , 31919849 , 49107460 , 63839698 , 127679396 , 159599245 , 319198490 , 638396980
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-638396979 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 638396980 can be divided by 24 positive divisors.
The sum of these divisors (counting 638396980) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110000011010010101000110100
3
Ternary
1122111020221000121
4
Quaternary
212003102220310
5
Quinary
2301412200410
6
Senary
143203021324
8
Octal
4603225064
10
Decimal
638396980
12
Duodecimal
15996a844
16
Hexadecimal
260d2a34
20
Vigesimal
9j9jc90
36
Base36
ak329g
md5
29692e3b14c1415b6928272086d3709c
sha1
2f84775256d67d968a72f58b8211c074c7f4be1f
sha256
f76e6f0c71d06b7858e43494517f1e37abcc4f2014abba3026408736010f046b
sha512
164dd3219a5e8f63d186da600045759cff4d7b54fadb14bb27fca0a06173232ae6f075c21cd21bf50079c4e74c1eb2a60c4bbaf6dd786ab1942491555d744684
ripemd-160
a8c71a65c937709e689af77f010291b74eb5346a
Diameter
1276793960
Circumference
4011166524.8838
Area
1.2803582978815E+18
Volume
1.0898358275806E+27
Surface area
5.1214331915259E+18
Circumference
4011166524.8838
Perimeter
2553587920
Area
407550704073120400
Diagonal
902829667.29403
Surface area
2445304224438722400
Volume
2.6017913867715E+26
Space diagonal
1105736004.7585
Perimeter
1915190940
Area
1.7647463152878E+17
Altitude
552868002.37927
Surface area
1.7647463152878E+17
Volume
3.0662405546982E+25
Height
300943222.43134