639492085 is an odd 9-digits composite number following 639492084
and preceding 639492086 . In scientific notation, it is written as 6.39492085 × 10^8.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 510167184 positive integers (up to 639492085) that are relatively prime to 639492085.
639492085 has 8 divisors, whose sum is 769530240
The reverse of 639492085 is 580294936
Previous prime number is 359
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
six hundred thirty-nine million four hundred ninety-two thousand eighty-five
Scientific notation
6.39492085 × 10^8
Engineering notation
6.39492085 × 10^6
Prime Factorization
5 × 359 × 356263
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
639492085
Product of the distinct prime numbers
The prime factorization of 639492085 is 5 × 359 × 356263.
Since it has a total of 3 prime factors.
10 , 10 , 50 , 18 , 660 , 819 , 4872 , 8368 , 39463 , 628 , 597041 , 171432 , 3398544 , 8300897 , 7446414 , 42203852 , 16155849 , 528348211 , 7914964245 , 2134298962
n×2
1278984170
n×3
1918476255
n×4
2557968340
n×5
3197460425
n÷2
319746042.5
n÷3
213164028.33333
n÷3
159873021.25
n÷5
127898417
n2
408950126777647225
n3
2.6152036923405E+26
n4
1.6724020619145E+35
n5
1.069487881532E+44
2 √n
25288.180737254
3 √n
861.54584282518
4 √n
159.02257933153
5 √n
57.698833715679
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
-639492084
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 639492085 can be divided by 8 positive divisors.
The sum of these divisors (counting 639492085) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110000111011101111111110101
3
Ternary
1122120022120020001
4
Quaternary
212013131333311
5
Quinary
2302202221320
6
Senary
143242311301
8
Octal
4607357765
10
Decimal
639492085
12
Duodecimal
15a1b8531
16
Hexadecimal
261ddff5
20
Vigesimal
9jgga45
36
Base36
akqj91
md5
d286aa920463f5b1a8ceabda6586a903
sha1
53dcf3843f247ccac593ff99dd70775ddc1d4167
sha256
bd2ea310519a7dc98c3f33b7c65aac50411c27782f643bbe472dfcab2adb2e96
sha512
ecb1fa1a504db06198b3554d264ac3e47577f6f235d4fdc91ad7f4b3e13ed6f708da8e5b6e65c47faa316dd8a68c46aa1c77d5104eb708c3c7924d3142bc76a4
ripemd-160
bfdf924ab358bed59620c887d4e2ee729f94698d
Diameter
1278984170
Circumference
4018047272.5296
Area
1.2847547139693E+18
Volume
1.0954539609997E+27
Surface area
5.1390188558771E+18
Circumference
4018047272.5296
Perimeter
2557968340
Area
408950126777647225
Diagonal
904378379.63725
Surface area
2453700760665883350
Volume
2.6152036923405E+26
Space diagonal
1107632782.2582
Perimeter
1918476255
Area
1.7708059933515E+17
Altitude
553816391.12908
Surface area
1.7708059933515E+17
Volume
3.0820471083968E+25
Height
301459459.87908