638536145 is an odd 9-digits composite number following 638536144
and preceding 638536146 . In scientific notation, it is written as 6.38536145 × 10^8.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 471534336 positive integers (up to 638536145) that are relatively prime to 638536145.
638536145 has 8 divisors, whose sum is 825185256
The reverse of 638536145 is 541635836
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
six hundred thirty-eight million five hundred thirty-six thousand one hundred forty-five
Scientific notation
6.38536145 × 10^8
Engineering notation
6.38536145 × 10^6
Prime Factorization
5 × 13 × 9823633
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
638536145
Product of the distinct prime numbers
The prime factorization of 638536145 is 5 × 13 × 9823633.
Since it has a total of 3 prime factors.
5 , 2 , 11 , 87 , 559 , 490 , 7420 , 6825 , 97680 , 24114 , 335162 , 776059 , 2209447 , 2045731 , 47936826 , 95478789 , 855195447 , 301254007 , 722701534 , 3128363970
n×2
1277072290
n×3
1915608435
n×4
2554144580
n×5
3192680725
n÷2
319268072.5
n÷3
212845381.66667
n÷3
159634036.25
n÷5
127707229
n2
407728408471461025
n3
2.6034932615235E+26
n4
1.6624245507467E+35
n5
1.0615181639872E+44
2 √n
25269.272743789
3 √n
861.11633693518
4 √n
158.9631175581
5 √n
57.681573257201
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
-638536144
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 638536145 can be divided by 8 positive divisors.
The sum of these divisors (counting 638536145) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110000011110100100111010001
3
Ternary
1122111111222220212
4
Quaternary
212003310213101
5
Quinary
2301431124040
6
Senary
143210013505
8
Octal
4603644721
10
Decimal
638536145
12
Duodecimal
159a17295
16
Hexadecimal
260f49d1
20
Vigesimal
9jah075
36
Base36
ak61n5
md5
df6f575ca3cee24a4a2a90ff8a99952f
sha1
13d423b3fcc03fd5274976776949c27e8278c0b2
sha256
c9da9f8d30d6afa348009533f90b91b5f092ee8687943d40637a6f4f268fb1cf
sha512
7ba8a6fd46508ebf2e58ad4bbe8d5311857fb3cace45c9f7c2c22ad4eed38c18ab1198b7f84aab2eecd343150c92821a1527d07ff018aca4bd59ddf2ab6ad62d
ripemd-160
fb5d62eb98add2a6685843f3c2b8c97f68cfab1e
Diameter
1277072290
Circumference
4012040924.3671
Area
1.2809165727138E+18
Volume
1.0905487072097E+27
Surface area
5.1236662908552E+18
Circumference
4012040924.3671
Perimeter
2554144580
Area
407728408471461025
Diagonal
903026476.32443
Surface area
2446370450828766150
Volume
2.6034932615235E+26
Space diagonal
1105977045.6092
Perimeter
1915608435
Area
1.7655157979044E+17
Altitude
552988522.80458
Surface area
1.7655157979044E+17
Volume
3.0682462333279E+25
Height
301008825.44148