639448924 is an even 9-digits composite number following 639448923
and preceding 639448925 . In scientific notation, it is written as 6.39448924 × 10^8.
The sum of its digits is 49. It has a total of 4 prime factors and 12 positive divisors.
There are 319662000 positive integers (up to 639448924) that are relatively prime to 639448924.
639448924 has 12 divisors, whose sum is 1119254248
The reverse of 639448924 is 429844936
Previous prime number is 6451
Is Prime? no
Number parity even
Number length 9
Sum of Digits 49
Digital Root 4
Name
six hundred thirty-nine million four hundred forty-eight thousand nine hundred twenty-four
Scientific notation
6.39448924 × 10^8
Engineering notation
6.39448924 × 10^6
Prime Factorization
2 × 2 × 6451 × 24781
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
319724462
Product of the distinct prime numbers
The prime factorization of 639448924 is 2 × 2 × 6451 × 24781.
Since it has a total of 4 prime factors.
5 , 6 , 39 , 99 , 616 , 670 , 5775 , 1563 , 36072 , 16113 , 302257 , 413335 , 9670434 , 9083986 , 27461138 , 28956274 , 366207290 , 82387344 , 6662355862 , 351519631
n×2
1278897848
n×3
1918346772
n×4
2557795696
n×5
3197244620
n÷2
319724462
n÷3
213149641.33333
n÷3
159862231
n÷5
127889784.8
n2
408894926404757776
n3
2.6146742071858E+26
n4
1.6719506083955E+35
n5
1.0691270175197E+44
2 √n
25287.327339994
3 √n
861.52645972537
4 √n
159.01989605076
5 √n
57.698054845493
1 , 2 , 4 , 6451 , 12902 , 24781 , 25804 , 49562 , 99124 , 159862231 , 319724462 , 639448924
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
-639448923
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 639448924 can be divided by 12 positive divisors.
The sum of these divisors (counting 639448924) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110000111010011011101011100
3
Ternary
1122120020101000111
4
Quaternary
212013103131130
5
Quinary
2302144331144
6
Senary
143241335404
8
Octal
4607233534
10
Decimal
639448924
12
Duodecimal
15a197564
16
Hexadecimal
261d375c
20
Vigesimal
9jgb264
36
Base36
akply4
md5
4f00adefc63621c8ee6920fa0b4e80ff
sha1
b84d20755df2d0348fcd463cb5a324cd369a5ec1
sha256
c3760be23fda0d6062ad4d36ecd65426bbb7bd450d0c5fe328e8265d979111e4
sha512
1adf1093cef2b7fe5e3a5a001e541cbe378d79b3ea5d587f85cd059bfdd295033ab3d577995adf68c11dfa5d17532ea29a075db1b92ca6649cb974d57d8a4aba
ripemd-160
704bfb81a84b96b643aebcaeab2a018827ae2f7f
Diameter
1278897848
Circumference
4017776083.9686
Area
1.2845812968833E+18
Volume
1.0952321707768E+27
Surface area
5.1383251875333E+18
Circumference
4017776083.9686
Perimeter
2557795696
Area
408894926404757776
Diagonal
904317340.76568
Surface area
2453369558428546656
Volume
2.6146742071858E+26
Space diagonal
1107558025.2132
Perimeter
1918346772
Area
1.7705669687254E+17
Altitude
553779012.60662
Surface area
1.7705669687254E+17
Volume
3.0814231041578E+25
Height
301439113.58856