638049806 is an even 9-digits composite number following 638049805
and preceding 638049807 . In scientific notation, it is written as 6.38049806 × 10^8.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 319024902 positive integers (up to 638049806) that are relatively prime to 638049806.
638049806 has 4 divisors, whose sum is 957074712
The reverse of 638049806 is 608940836
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 44
Digital Root 8
Name
six hundred thirty-eight million forty-nine thousand eight hundred six
Scientific notation
6.38049806 × 10^8
Engineering notation
6.38049806 × 10^6
Prime Factorization
2 × 319024903
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
638049806
Product of the distinct prime numbers
The prime factorization of 638049806 is 2 × 319024903.
Since it has a total of 2 prime factors.
7 , 1 , 33 , 93 , 302 , 762 , 1032 , 9090 , 22355 , 20756 , 538534 , 846350 , 2043728 , 1697145 , 62262440 , 68853925 , 822610755 , 726577593 , 1157912614 , 81972870
n×2
1276099612
n×3
1914149418
n×4
2552199224
n×5
3190249030
n÷2
319024903
n÷3
212683268.66667
n÷3
159512451.5
n÷5
127609961.2
n2
407107554936637636
n3
2.5975489644846E+26
n4
1.6573656128649E+35
n5
1.0574818077595E+44
2 √n
25259.647780601
3 √n
860.89765924509
4 √n
158.93284047232
5 √n
57.672783982134
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
-638049805
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 638049806 can be divided by 4 positive divisors.
The sum of these divisors (counting 638049806) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110000001111101111000001110
3
Ternary
1122110121021210022
4
Quaternary
212001331320032
5
Quinary
2301320043211
6
Senary
143151342142
8
Octal
4601757016
10
Decimal
638049806
12
Duodecimal
159821952
16
Hexadecimal
2607de0e
20
Vigesimal
9j7g4a6
36
Base36
ajvmdq
md5
f1b27d6f18cfe8de9005d5381fd9e744
sha1
ea01e1873162a6f3a19b7a9ad6d01635ff8ed4e2
sha256
c688a56c1bd138527e87511e225a1e918ec169b11691dde00e0b569f445725dc
sha512
29f9233c88c526b03d8f608f00b9aa6efd7866fe134c5cbeea55c7c23a312bc118869c4d7dfe160b0eae89ec8ed378502258e90db5024ee5933ce7b10cd43e3b
ripemd-160
598b83aa6e9defb4266db8c2e47720f0a7a75f20
Diameter
1276099612
Circumference
4008985166.308
Area
1.2789661038098E+18
Volume
1.0880587658886E+27
Surface area
5.1158644152394E+18
Circumference
4008985166.308
Perimeter
2552199224
Area
407107554936637636
Diagonal
902338689.11472
Surface area
2442645329619825816
Volume
2.5975489644846E+26
Space diagonal
1105134681.7515
Perimeter
1914149418
Area
1.7628274232385E+17
Altitude
552567340.87573
Surface area
1.7628274232385E+17
Volume
3.0612408120852E+25
Height
300779563.03824