639406904 is an even 9-digits composite number following 639406903
and preceding 639406905 . In scientific notation, it is written as 6.39406904 × 10^8.
The sum of its digits is 41. It has a total of 5 prime factors and 16 positive divisors.
There are 312268320 positive integers (up to 639406904) that are relatively prime to 639406904.
639406904 has 16 divisors, whose sum is 1226769720
The reverse of 639406904 is 409604936
Previous prime number is 43
Is Prime? no
Number parity even
Number length 9
Sum of Digits 41
Digital Root 5
Name
six hundred thirty-nine million four hundred six thousand nine hundred four
Scientific notation
6.39406904 × 10^8
Engineering notation
6.39406904 × 10^6
Prime Factorization
2 × 2 × 2 × 43 × 1858741
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
159851726
Product of the distinct prime numbers
The prime factorization of 639406904 is 2 × 2 × 2 × 43 × 1858741.
Since it has a total of 5 prime factors.
1 , 10 , 59 , 83 , 224 , 261 , 6240 , 4182 , 59592 , 99819 , 679840 , 376229 , 9748592 , 263521 , 12848608 , 20002228 , 9654565 , 166231285 , 721295035 , 510503597
n×2
1278813808
n×3
1918220712
n×4
2557627616
n×5
3197034520
n÷2
319703452
n÷3
213135634.66667
n÷3
159851726
n÷5
127881380.8
n2
408841188882865216
n3
2.6141587881127E+26
n4
1.6715111772715E+35
n5
1.0687757868606E+44
2 √n
25286.496475392
3 √n
861.50758819737
4 √n
159.01728357443
5 √n
57.697296525038
1 , 2 , 4 , 8 , 43 , 86 , 172 , 344 , 1858741 , 3717482 , 7434964 , 14869928 , 79925863 , 159851726 , 319703452 , 639406904
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
-639406903
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 639406904 can be divided by 16 positive divisors.
The sum of these divisors (counting 639406904) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110000111001001001100111000
3
Ternary
1122120011020101012
4
Quaternary
212013021030320
5
Quinary
2302142010104
6
Senary
143240413052
8
Octal
4607111470
10
Decimal
639406904
12
Duodecimal
15a177188
16
Hexadecimal
261c9338
20
Vigesimal
9jg5h54
36
Base36
akopiw
md5
573568f2cf484def9527f8335ee0f1fc
sha1
99846fdf538c52516aab3e369ebc752fd7880c01
sha256
647c94e89f9d9a9a3deffc63d224b1b6cac3cd9596a50644fbbc0d93b581dc0a
sha512
9f7c90387df2f945b3c32371943f96aaee07ebe5e30fb2333b656a6ab222879a435c257d3bbe9e1852e9073d9417b05c07f1342bba280fac3ed09718fdaaf74d
ripemd-160
c0670a3275c53ec260f55122a40084d88f622da9
Diameter
1278813808
Circumference
4017512064.522
Area
1.2844124754793E+18
Volume
1.0950162725403E+27
Surface area
5.1376499019173E+18
Circumference
4017512064.522
Perimeter
2557627616
Area
408841188882865216
Diagonal
904257915.51179
Surface area
2453047133297191296
Volume
2.6141587881127E+26
Space diagonal
1107485244.4383
Perimeter
1918220712
Area
1.77033427843E+17
Altitude
553742622.21916
Surface area
1.77033427843E+17
Volume
3.0808156769549E+25
Height
301419305.1706