638045409 is an odd 9-digits composite number following 638045408
and preceding 638045410 . In scientific notation, it is written as 6.38045409 × 10^8.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 425230256 positive integers (up to 638045409) that are relatively prime to 638045409.
638045409 has 8 divisors, whose sum is 850993920
The reverse of 638045409 is 904540836
Previous prime number is 3359
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
six hundred thirty-eight million forty-five thousand four hundred nine
Scientific notation
6.38045409 × 10^8
Engineering notation
6.38045409 × 10^6
Prime Factorization
3 × 3359 × 63317
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
638045409
Product of the distinct prime numbers
The prime factorization of 638045409 is 3 × 3359 × 63317.
Since it has a total of 3 prime factors.
6 , 5 , 7 , 62 , 78 , 646 , 5728 , 5853 , 68926 , 59478 , 417818 , 687706 , 3940205 , 1446582 , 85363595 , 36404232 , 922679002 , 489381271 , 8600850130 , 4424896515
n×2
1276090818
n×3
1914136227
n×4
2552181636
n×5
3190227045
n÷2
319022704.5
n÷3
212681803
n÷3
159511352.25
n÷5
127609081.8
n2
407101943945977281
n3
2.5974952632971E+26
n4
1.6573199276459E+35
n5
1.0574453710787E+44
2 √n
25259.560744399
3 √n
860.89568166922
4 √n
158.93256665768
5 √n
57.672704493691
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
-638045408
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 638045409 can be divided by 8 positive divisors.
The sum of these divisors (counting 638045409) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110000001111100110011100001
3
Ternary
1122110121001202110
4
Quaternary
212001330303201
5
Quinary
2301314423114
6
Senary
143151305533
8
Octal
4601746341
10
Decimal
638045409
12
Duodecimal
15981b2a9
16
Hexadecimal
2607cce1
20
Vigesimal
9j7fda9
36
Base36
ajvizl
md5
aef8b5ad1fa5b4a4e91f15f726790161
sha1
e1fc9e96c0c93a2cd85e84179cbd6cf03161b5d3
sha256
09cc9b1ae7e4a1c8aaca4e7c9f7c34d624e4586665b0fab68042a5cafda40306
sha512
0f9129642e16cee48cbd603161a68a7f845fb0d01b0d225e086a8d0b471ed7c28b808207d6fd34ddec2517c3fa7cd7f1c54e150e9a0360ffa890e1797f0b20b1
ripemd-160
c5b9db7714f6f64b14ec669b5d680fccc093d84d
Diameter
1276090818
Circumference
4008957539.1422
Area
1.2789484763628E+18
Volume
1.0880362715878E+27
Surface area
5.1157939054512E+18
Circumference
4008957539.1422
Perimeter
2552181636
Area
407101943945977281
Diagonal
902332470.81769
Surface area
2442611663675863686
Volume
2.5974952632971E+26
Space diagonal
1105127065.9241
Perimeter
1914136227
Area
1.7628031269362E+17
Altitude
552563532.96203
Surface area
1.7628031269362E+17
Volume
3.0611775246288E+25
Height
300777490.27256