638472893 is an odd 9-digits composite number following 638472892
and preceding 638472894 . In scientific notation, it is written as 6.38472893 × 10^8.
The sum of its digits is 50. It has a total of 4 prime factors and 16 positive divisors.
There are 573889536 positive integers (up to 638472893) that are relatively prime to 638472893.
638472893 has 16 divisors, whose sum is 706527360
The reverse of 638472893 is 398274836
Previous prime number is 1259
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
six hundred thirty-eight million four hundred seventy-two thousand eight hundred ninety-three
Scientific notation
6.38472893 × 10^8
Engineering notation
6.38472893 × 10^6
Prime Factorization
17 × 23 × 1259 × 1297
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
638472893
Product of the distinct prime numbers
The prime factorization of 638472893 is 17 × 23 × 1259 × 1297.
Since it has a total of 4 prime factors.
5 , 4 , 25 , 93 , 333 , 840 , 8458 , 5542 , 70748 , 90243 , 980300 , 259430 , 6110817 , 4777183 , 72201135 , 56226829 , 224331288 , 542680218 , 8553175740 , 1855704030
n×2
1276945786
n×3
1915418679
n×4
2553891572
n×5
3192364465
n÷2
319236446.5
n÷3
212824297.66667
n÷3
159618223.25
n÷5
127694578.6
n2
407647635095789449
n3
2.6027196490422E+26
n4
1.6617659439919E+35
n5
1.0609925097494E+44
2 √n
25268.021153228
3 √n
861.08790255991
4 √n
158.95918077679
5 √n
57.680430449712
1 , 17 , 23 , 391 , 1259 , 1297 , 21403 , 22049 , 28957 , 29831 , 492269 , 507127 , 1632923 , 27759691 , 37557229 , 638472893
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
-638472892
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 638472893 can be divided by 16 positive divisors.
The sum of these divisors (counting 638472893) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110000011100101001010111101
3
Ternary
1122111101210011012
4
Quaternary
212003211022331
5
Quinary
2301422113033
6
Senary
143204405005
8
Octal
4603451275
10
Decimal
638472893
12
Duodecimal
1599a6765
16
Hexadecimal
260e52bd
20
Vigesimal
9ja924d
36
Base36
ak4ou5
md5
fa33dea9227ed7eb4bdd2c7c5050cba3
sha1
230829211f7eb808890230fec2eef7792b8d57a5
sha256
3b9653c6a06a759a814810ea31cd0093041241a3d32c5b70771cfb74e6f4180f
sha512
19be482028d6572595da5e9736ced0d26295b0a1631ea347713d2891412af07e129bf9de13f07597c470d4b0ebd462e27f9ea59019d205ce320c2820e8685485
ripemd-160
6ff8b1fc4eef97eb3e52c420b0e19386ee170592
Diameter
1276945786
Circumference
4011643500.33
Area
1.2806628156702E+18
Volume
1.0902246571713E+27
Surface area
5.1226512626807E+18
Circumference
4011643500.33
Perimeter
2553891572
Area
407647635095789449
Diagonal
902937024.48819
Surface area
2445885810574736694
Volume
2.6027196490422E+26
Space diagonal
1105867489.9315
Perimeter
1915418679
Area
1.765166038928E+17
Altitude
552933744.96574
Surface area
1.765166038928E+17
Volume
3.0673345222753E+25
Height
300979008.16273