639388214 is an even 9-digits composite number following 639388213
and preceding 639388215 . In scientific notation, it is written as 6.39388214 × 10^8.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 314453160 positive integers (up to 639388214) that are relatively prime to 639388214.
639388214 has 8 divisors, whose sum is 974805168
The reverse of 639388214 is 412883936
Previous prime number is 61
Is Prime? no
Number parity even
Number length 9
Sum of Digits 44
Digital Root 8
Name
six hundred thirty-nine million three hundred eighty-eight thousand two hundred fourteen
Scientific notation
6.39388214 × 10^8
Engineering notation
6.39388214 × 10^6
Prime Factorization
2 × 61 × 5240887
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
639388214
Product of the distinct prime numbers
The prime factorization of 639388214 is 2 × 61 × 5240887.
Since it has a total of 3 prime factors.
6 , 5 , 1 , 99 , 415 , 618 , 763 , 6890 , 54353 , 35022 , 822435 , 625886 , 6511891 , 9043258 , 22400219 , 9021240 , 963853860 , 169247603 , 4030379872 , 2485463776
n×2
1278776428
n×3
1918164642
n×4
2557552856
n×5
3196941070
n÷2
319694107
n÷3
213129404.66667
n÷3
159847053.5
n÷5
127877642.8
n2
408817288202109796
n3
2.6139295575587E+26
n4
1.6713157513293E+35
n5
1.0686195932725E+44
2 √n
25286.126907852
3 √n
861.49919409881
4 √n
159.01612153443
5 √n
57.696959220241
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
-639388213
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 639388214 can be divided by 8 positive divisors.
The sum of these divisors (counting 639388214) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110000111000100101000110110
3
Ternary
1122120010021201222
4
Quaternary
212013010220312
5
Quinary
2302140410324
6
Senary
143240150342
8
Octal
4607045066
10
Decimal
639388214
12
Duodecimal
15a1683b2
16
Hexadecimal
261c4a36
20
Vigesimal
9jg3aae
36
Base36
akob3q
md5
6df5ebb23c452e5b20c3612b9452fcb9
sha1
e61935c3bd49f88b3295af7feacdd08eb1f74a90
sha256
9a9b21ce96ed09c8202bdef75c76017608a57a99e9c46f44f773e0b143323372
sha512
e341faf7a3a4909e9bde7edb30addbb93192ab78686f92f0cdf73bbfbacbbe0e558b0d44cfcade854e57b8e82d899d2cd1f25f86bf2e0d26d0ba3de0b3a597ef
ripemd-160
bd32d0d743f19e67962ecc798962caa805c25967
Diameter
1278776428
Circumference
4017394631.7886
Area
1.2843373892762E+18
Volume
1.0949202526704E+27
Surface area
5.137349557105E+18
Circumference
4017394631.7886
Perimeter
2557552856
Area
408817288202109796
Diagonal
904231483.86031
Surface area
2452903729212658776
Volume
2.6139295575587E+26
Space diagonal
1107452872.4087
Perimeter
1918164642
Area
1.7702307854465E+17
Altitude
553726436.20436
Surface area
1.7702307854465E+17
Volume
3.0805455261562E+25
Height
301410494.6201