639403906 is an even 9-digits composite number following 639403905
and preceding 639403907 . In scientific notation, it is written as 6.39403906 × 10^8.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 319593648 positive integers (up to 639403906) that are relatively prime to 639403906.
639403906 has 8 divisors, whose sum is 959430780
The reverse of 639403906 is 609304936
Previous prime number is 3037
Is Prime? no
Number parity even
Number length 9
Sum of Digits 40
Digital Root 4
Name
six hundred thirty-nine million four hundred three thousand nine hundred six
Scientific notation
6.39403906 × 10^8
Engineering notation
6.39403906 × 10^6
Prime Factorization
2 × 3037 × 105269
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
639403906
Product of the distinct prime numbers
The prime factorization of 639403906 is 2 × 3037 × 105269.
Since it has a total of 3 prime factors.
4 , 4 , 97 , 7 , 723 , 505 , 928 , 7714 , 42489 , 81831 , 468743 , 19762 , 5394367 , 2788733 , 70213215 , 51084396 , 354374940 , 550279382 , 6846360877 , 836529868
n×2
1278807812
n×3
1918211718
n×4
2557615624
n×5
3197019530
n÷2
319701953
n÷3
213134635.33333
n÷3
159850976.5
n÷5
127880781.2
n2
408837355008056836
n3
2.6141220171086E+26
n4
1.6714798284998E+35
n5
1.068750731143E+44
2 √n
25286.43719467
3 √n
861.50624173928
4 √n
159.01709717722
5 √n
57.697242419642
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
-639403905
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 639403906 can be divided by 8 positive divisors.
The sum of these divisors (counting 639403906) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110000111001000011110000010
3
Ternary
1122120011002021011
4
Quaternary
212013020132002
5
Quinary
2302141411111
6
Senary
143240351134
8
Octal
4607103602
10
Decimal
639403906
12
Duodecimal
15a1754aa
16
Hexadecimal
261c8782
20
Vigesimal
9jg59f6
36
Base36
akon7m
md5
5bc3ce5f057ff07f00ee760ace3101ce
sha1
b34d14a3f41452c750327e831fd770dd7e9f5204
sha256
369ac45d6f419cef9bfcfac33502f07abe38899d00a98fbfbc28f6310066c160
sha512
7e583e146605e19581618b54f3b75c3d447ae1c614b640a649ca633fb4cf7c394b6e0b83b700901938281f1996ece2343e677b585cd660696a85200be81b6371
ripemd-160
bff8503cb8dfb831f1c35670a53ebdea5e05a89a
Diameter
1278807812
Circumference
4017493227.5324
Area
1.2844004310064E+18
Volume
1.0950008699381E+27
Surface area
5.1376017240256E+18
Circumference
4017493227.5324
Perimeter
2557615624
Area
408837355008056836
Diagonal
904253675.69953
Surface area
2453024130048341016
Volume
2.6141220171086E+26
Space diagonal
1107480051.75
Perimeter
1918211718
Area
1.7703176772651E+17
Altitude
553740025.875
Surface area
1.7703176772651E+17
Volume
3.0807723419109E+25
Height
301417891.89984