638206893 is an odd 9-digits composite number following 638206892
and preceding 638206894 . In scientific notation, it is written as 6.38206893 × 10^8.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 424206720 positive integers (up to 638206893) that are relatively prime to 638206893.
638206893 has 8 divisors, whose sum is 711226360
The reverse of 638206893 is 398602836
Previous prime number is 337
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
six hundred thirty-eight million two hundred six thousand eight hundred ninety-three
Scientific notation
6.38206893 × 10^8
Engineering notation
6.38206893 × 10^6
Prime Factorization
9 × 337 × 210421
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
638206893
Product of the distinct prime numbers
The prime factorization of 638206893 is 9 × 337 × 210421.
Since it has a total of 3 prime factors.
7 , 6 , 13 , 60 , 173 , 770 , 9738 , 7846 , 51726 , 60416 , 55234 , 312729 , 6976660 , 4231974 , 62348872 , 86922185 , 165756807 , 424215369 , 9180588234 , 2017849722
n×2
1276413786
n×3
1914620679
n×4
2552827572
n×5
3191034465
n÷2
319103446.5
n÷3
212735631
n÷3
159551723.25
n÷5
127641378.6
n2
407308038272713449
n3
2.5994679759995E+26
n4
1.6589983804157E+35
n5
1.0587842018571E+44
2 √n
25262.757034813
3 √n
860.96830406129
4 √n
158.94262183195
5 √n
57.67562349481
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
-638206892
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 638206893 can be divided by 8 positive divisors.
The sum of these divisors (counting 638206893) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110000010100100001110101101
3
Ternary
1122110220021021100
4
Quaternary
212002210032231
5
Quinary
2301340110033
6
Senary
143154553313
8
Octal
4602441655
10
Decimal
638206893
12
Duodecimal
159898839
16
Hexadecimal
260a43ad
20
Vigesimal
9j8fh4d
36
Base36
ajyzl9
md5
c5c88dab9a1b39ea24b1b8b06c6aaf86
sha1
eb334f47e9ee745dbb0161a57ccd6bbf5a426563
sha256
d7b1fc7a3ec2722d24380b7b29f9831f98549085af815b5c4fc20113996fd1e3
sha512
246ead1cf3b77e0cdfea738303f3892b19f3f6e75a2a2381bae9c9084eaf174173ae0e40f97a07027acdb52790096560be72e127d250882e45546c06e871135a
ripemd-160
4ddf8b36924b164e9822dcfa72758b907a3103c4
Diameter
1276413786
Circumference
4009972173.0383
Area
1.2795959407856E+18
Volume
1.0888625995523E+27
Surface area
5.1183837631425E+18
Circumference
4009972173.0383
Perimeter
2552827572
Area
407308038272713449
Diagonal
902560843.68059
Surface area
2443848229636280694
Volume
2.5994679759995E+26
Space diagonal
1105406764.4167
Perimeter
1914620679
Area
1.7636955415489E+17
Altitude
552703382.20834
Surface area
1.7636955415489E+17
Volume
3.0635023888442E+25
Height
300853614.5602