638860045 is an odd 9-digits composite number following 638860044
and preceding 638860046 . In scientific notation, it is written as 6.38860045 × 10^8.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 509836800 positive integers (up to 638860045) that are relatively prime to 638860045.
638860045 has 8 divisors, whose sum is 768508920
The reverse of 638860045 is 540068836
Previous prime number is 409
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
six hundred thirty-eight million eight hundred sixty thousand forty-five
Scientific notation
6.38860045 × 10^8
Engineering notation
6.38860045 × 10^6
Prime Factorization
5 × 409 × 312401
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
638860045
Product of the distinct prime numbers
The prime factorization of 638860045 is 5 × 409 × 312401.
Since it has a total of 3 prime factors.
7 , 7 , 76 , 14 , 47 , 17 , 6939 , 5233 , 75649 , 31946 , 144116 , 401736 , 5496441 , 8884531 , 39392134 , 31411673 , 110220359 , 731746383 , 3204948251 , 5771878697
n×2
1277720090
n×3
1916580135
n×4
2555440180
n×5
3194300225
n÷2
319430022.5
n÷3
212953348.33333
n÷3
159715011.25
n÷5
127772009
n2
408142157097402025
n3
2.6074571684964E+26
n4
1.6658002040012E+35
n5
1.0642131932892E+44
2 √n
25275.680900818
3 √n
861.26191388576
4 √n
158.9832723931
5 √n
57.687423911719
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
-638860044
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 638860045 can be divided by 8 positive divisors.
The sum of these divisors (counting 638860045) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110000101000011101100001101
3
Ternary
1122112010110020011
4
Quaternary
212011003230031
5
Quinary
2302022010140
6
Senary
143220553221
8
Octal
4605035415
10
Decimal
638860045
12
Duodecimal
159b52811
16
Hexadecimal
26143b0d
20
Vigesimal
9jcha25
36
Base36
akczkd
md5
28a30d28acce53441c2d98764685c5d7
sha1
7ddee125a926aab6852bd9b67425f6c372ddeb9c
sha256
6bf7403f4ec0f9e526b5dad6c9925dbb06fe69dec895a789914cad948e1d9bc3
sha512
bbd8dfd57efa5ac85092bbbb454274f9318722040bdd404cc0a56b024931d4cd8d0b300d962d5595dff38d222e337d5f03f537dafb30cf7b2c63a9d6e25ad761
ripemd-160
0896cfddfc1de60d64025bae7026453530d8eabc
Diameter
1277720090
Circumference
4014076048.0881
Area
1.2822164023575E+18
Volume
1.0922091046798E+27
Surface area
5.12886560943E+18
Circumference
4014076048.0881
Perimeter
2555440180
Area
408142157097402025
Diagonal
903484540.09729
Surface area
2448852942584412150
Volume
2.6074571684964E+26
Space diagonal
1106538056.8657
Perimeter
1916580135
Area
1.7673073820086E+17
Altitude
553269028.43287
Surface area
1.7673073820086E+17
Volume
3.0729177424955E+25
Height
301161513.36576