638045406 is an even 9-digits composite number following 638045405
and preceding 638045407 . In scientific notation, it is written as 6.38045406 × 10^8.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 212483376 positive integers (up to 638045406) that are relatively prime to 638045406.
638045406 has 16 divisors, whose sum is 1064401200
The reverse of 638045406 is 604540836
Previous prime number is 1109
Is Prime? no
Number parity even
Number length 9
Sum of Digits 36
Digital Root 9
Name
six hundred thirty-eight million forty-five thousand four hundred six
Scientific notation
6.38045406 × 10^8
Engineering notation
6.38045406 × 10^6
Prime Factorization
2 × 9 × 1109 × 31963
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
638045406
Product of the distinct prime numbers
The prime factorization of 638045406 is 2 × 9 × 1109 × 31963.
Since it has a total of 4 prime factors.
9 , 3 , 55 , 27 , 111 , 143 , 9250 , 4219 , 35160 , 980 , 755956 , 457090 , 1854620 , 3446414 , 33365444 , 744367 , 175559453 , 101893255 , 7193708633 , 9177962327
n×2
1276090812
n×3
1914136218
n×4
2552181624
n×5
3190227030
n÷2
319022703
n÷3
212681802
n÷3
159511351.5
n÷5
127609081.2
n2
407101940117704836
n3
2.5974952266579E+26
n4
1.657319896476E+35
n5
1.0574453462189E+44
2 √n
25259.560685016
3 √n
860.89568031995
4 √n
158.93256647086
5 √n
57.672704439457
1 , 2 , 9 , 18 , 1109 , 2218 , 9981 , 19962 , 31963 , 63926 , 287667 , 575334 , 35446967 , 70893934 , 319022703 , 638045406
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-638045405
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 638045406 can be divided by 16 positive divisors.
The sum of these divisors (counting 638045406) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110000001111100110011011110
3
Ternary
1122110121001202100
4
Quaternary
212001330303132
5
Quinary
2301314423111
6
Senary
143151305530
8
Octal
4601746336
10
Decimal
638045406
12
Duodecimal
15981b2a6
16
Hexadecimal
2607ccde
20
Vigesimal
9j7fda6
36
Base36
ajvizi
md5
30aa06774f2c922cff57a82ea3776196
sha1
e51573f52a1a1d157a3185fbf26cf7c5a00f095a
sha256
8cb33e8142c3effd7c2bb7def2e8d7c5c90b52fe9423f5f0fea38e3ce4bda0aa
sha512
7e574b2ed41bc80718579f89e70603be9260d4fa4760b5e1006d15f271d033884c4bb2eaae8db07811c78aaedbce7a6eda2a022091cdb72d8f797e67f809c725
ripemd-160
906eba3468802dcf1d3fb0a7a040ca481675fd8f
Diameter
1276090812
Circumference
4008957520.2926
Area
1.2789484643359E+18
Volume
1.0880362562404E+27
Surface area
5.1157938573437E+18
Circumference
4008957520.2926
Perimeter
2552181624
Area
407101940117704836
Diagonal
902332466.57505
Surface area
2442611640706229016
Volume
2.5974952266579E+26
Space diagonal
1105127060.7279
Perimeter
1914136218
Area
1.7628031103593E+17
Altitude
552563530.36396
Surface area
1.7628031103593E+17
Volume
3.0611774814491E+25
Height
300777488.85835