639409892 is an even 9-digits composite number following 639409891
and preceding 639409893 . In scientific notation, it is written as 6.39409892 × 10^8.
The sum of its digits is 50. It has a total of 4 prime factors and 12 positive divisors.
There are 290640840 positive integers (up to 639409892) that are relatively prime to 639409892.
639409892 has 12 divisors, whose sum is 1220691696
The reverse of 639409892 is 298904936
Previous prime number is 11
Is Prime? no Number parity even Number length 9 Sum of Digits 50 Digital Root 5
Name
six hundred thirty-nine million four hundred nine thousand eight hundred ninety-two
Scientific notation
6.39409892 × 10^8
Engineering notation
6.39409892 × 10^6
Prime Factorization
2 × 2 × 11 × 14532043
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
319704946 Product of the distinct prime numbers
The prime factorization of 639409892 is 2 × 2 × 11 × 14532043.
Since it has a total of 4 prime factors.
7 , 3 , 75 , 76 , 52 , 423 , 8117 , 8092 , 25070 , 17747 , 544994 , 80794 , 8708597 , 6495800 , 74393664 , 15207923 , 673958878 , 119718625 , 6311282497 , 4730329289
n×2
1278819784
n×3
1918229676
n×4
2557639568
n×5
3197049460
n÷2
319704946
n÷3
213136630.66667
n÷3
159852473
n÷5
127881978.4
n2
408845009987451664
n3
2.6141954368082E+26
n4
1.6715424219164E+35
n5
1.068800759471E+44
2 √n25286.555558241
3 √n861.50893016007
4 √n159.01746934925
5 √n57.697350449761
1 , 2 , 4 , 11 , 22 , 44 , 14532043 , 29064086 , 58128172 , 159852473 , 319704946 , 639409892
12 divisors
τ Total Divisors
12 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-639409891 Sum of the proper positive divisors of n
A Arithmetic Mean
0.083333333333333 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
12 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 639409892 can be divided by 12 positive divisors.
The sum of these divisors (counting 639409892) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110000111001001111011100100
3
Ternary
1122120011101110212
4
Quaternary
212013021323210
5
Quinary
2302142104032
6
Senary
143240434552
8
Octal
4607117344
10
Decimal
639409892
12
Duodecimal
15a178a58
16
Hexadecimal
261c9ee4
20
Vigesimal
9jg64ec
36
Base36
akortw
md5
fb2c4e4c293634ddd6f67c65bf81e3b1
sha1
a2e2de7956c26a1f90cc919a4741923722de56c2
sha256
6e004f70eb1395cd7f426a2666b2d09960f1e71b6847a3bbd519b10b3b3aa3fe
sha512
41764a223dea38d016149b84c44cfb728ac2c87e0cd4884d1f0348cd78ed6568979ad43653bab04fbe11dbfe105cb515799b45ab5deba5650f95fb648d701e5d
ripemd-160
03ac63fda7e74d0a8d5d66a3e0dd64bf6e6439e4
Diameter
1278819784
Circumference
4017530838.6797
Area
1.2844244798334E+18
Volume
1.0950316239099E+27
Surface area
5.1376979193337E+18
Circumference
4017530838.6797
Perimeter
2557639568
Area
408845009987451664
Diagonal
904262141.18192
Surface area
2453070059924709984
Volume
2.6141954368082E+26
Space diagonal
1107490419.8061
Perimeter
1918229676
Area
1.7703508242982E+17
Altitude
553745209.90306
Surface area
1.7703508242982E+17
Volume
3.0808588678566E+25
Height
301420713.72731