638865093 is an odd 9-digits composite number following 638865092
and preceding 638865094 . In scientific notation, it is written as 6.38865093 × 10^8.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 425264400 positive integers (up to 638865093) that are relatively prime to 638865093.
638865093 has 8 divisors, whose sum is 853111456
The reverse of 638865093 is 390568836
Previous prime number is 661
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
six hundred thirty-eight million eight hundred sixty-five thousand ninety-three
Scientific notation
6.38865093 × 10^8
Engineering notation
6.38865093 × 10^6
Prime Factorization
3 × 661 × 322171
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
638865093
Product of the distinct prime numbers
The prime factorization of 638865093 is 3 × 661 × 322171.
Since it has a total of 3 prime factors.
1 , 1 , 65 , 37 , 639 , 212 , 6029 , 1359 , 21361 , 41576 , 253950 , 142285 , 7836331 , 2219388 , 90450031 , 95643969 , 53668612 , 422665582 , 7041746168 , 1485795622
n×2
1277730186
n×3
1916595279
n×4
2555460372
n×5
3194325465
n÷2
319432546.5
n÷3
212955031
n÷3
159716273.25
n÷5
127773018.6
n2
408148607053898649
n3
2.6075189780331E+26
n4
1.6658528544004E+35
n5
1.0642552387508E+44
2 √n
25275.780759454
3 √n
861.2641823214
4 √n
158.9835864467
5 √n
57.687515075722
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
-638865092
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 638865093 can be divided by 8 positive divisors.
The sum of these divisors (counting 638865093) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110000101000100111011000101
3
Ternary
1122112010201011010
4
Quaternary
212011010323011
5
Quinary
2302022140333
6
Senary
143221032433
8
Octal
4605047305
10
Decimal
638865093
12
Duodecimal
159b55719
16
Hexadecimal
26144ec5
20
Vigesimal
9jci2ed
36
Base36
akd3gl
md5
193e1839d666ab1662a016b5a2214b8c
sha1
d72a744ab814d824fc4cda2d1401b1479fe2dbdf
sha256
64425112424ed0844cfcc9974c0beedd73444dcf01e939c9a9fe7cd19b316078
sha512
3c79ffd7ff47239ceca3f6fa8a26e947fc75c092500935a305dc2bde5d082e101caaf98a11d02fff494046941db909ce9b9cb42f33cf909dd18901f77b6c3e1b
ripemd-160
e2109e835304fc141851dc2b9d098bcffa584f3f
Diameter
1277730186
Circumference
4014107765.6075
Area
1.2822366654934E+18
Volume
1.092234995398E+27
Surface area
5.1289466619737E+18
Circumference
4014107765.6075
Perimeter
2555460372
Area
408148607053898649
Diagonal
903491679.04735
Surface area
2448891642323391894
Volume
2.6075189780331E+26
Space diagonal
1106546800.2582
Perimeter
1916595279
Area
1.7673353111395E+17
Altitude
553273400.12911
Surface area
1.7673353111395E+17
Volume
3.072990585733E+25
Height
301163893.01578