638992009 is an odd 9-digits composite number following 638992008
and preceding 638992010 . In scientific notation, it is written as 6.38992009 × 10^8.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 626935504 positive integers (up to 638992009) that are relatively prime to 638992009.
638992009 has 4 divisors, whose sum is 651048516
The reverse of 638992009 is 900299836
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
six hundred thirty-eight million nine hundred ninety-two thousand nine
Scientific notation
6.38992009 × 10^8
Engineering notation
6.38992009 × 10^6
Prime Factorization
53 × 12056453
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
638992009
Product of the distinct prime numbers
The prime factorization of 638992009 is 53 × 12056453.
Since it has a total of 2 prime factors.
4 , 5 , 73 , 10 , 739 , 52 , 2489 , 4123 , 65520 , 61253 , 362441 , 218378 , 4539728 , 3137999 , 38311563 , 40230371 , 400227429 , 848535337 , 3227908826 , 2997523883
n×2
1277984018
n×3
1916976027
n×4
2555968036
n×5
3194960045
n÷2
319496004.5
n÷3
212997336.33333
n÷3
159748002.25
n÷5
127798401.8
n2
408310787565856081
n3
2.6090733044308E+26
n4
1.6671769924265E+35
n5
1.0653127757492E+44
2 √n
25278.291259498
3 √n
861.32121103718
4 √n
158.99148171993
5 √n
57.689806916997
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
-638992008
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 638992009 can be divided by 4 positive divisors.
The sum of these divisors (counting 638992009) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110000101100011111010001001
3
Ternary
1122112101011020201
4
Quaternary
212011203322021
5
Quinary
2302040221014
6
Senary
143223452201
8
Octal
4605437211
10
Decimal
638992009
12
Duodecimal
159bb7061
16
Hexadecimal
26163e89
20
Vigesimal
9jde009
36
Base36
akfte1
md5
64b96beb4e1ce05256bcf8aba885544b
sha1
6280955513900d1afdeddc47578e755f652829d6
sha256
7fd5c5e612d2566b97c2573226c9b72f39a15508ac13548371f78ea30a66e438
sha512
5355f8f48b56e97967fbc23c1167adfbda731dff20df0a6acb0642923394b7bb6b546ccd966b1f568c8506f9a194c7e1c4257f0e15bc8f9141a0c13f79161750
ripemd-160
419cbef2d6296a4949de5589d7ce1b7de4955a2c
Diameter
1277984018
Circumference
4014905202.354
Area
1.2827461705984E+18
Volume
1.0928860701169E+27
Surface area
5.1309846823934E+18
Circumference
4014905202.354
Perimeter
2555968036
Area
408310787565856081
Diagonal
903671165.37583
Surface area
2449864725395136486
Volume
2.6090733044308E+26
Space diagonal
1106766625.2185
Perimeter
1916976027
Area
1.7680375733563E+17
Altitude
553383312.60925
Surface area
1.7680375733563E+17
Volume
3.0748223769597E+25
Height
301223721.79194