639778824 is an even 9-digits composite number following 639778823
and preceding 639778825 . In scientific notation, it is written as 6.39778824 × 10^8.
The sum of its digits is 54. It has a total of 5 prime factors and 16 positive divisors.
There are 213259392 positive integers (up to 639778824) that are relatively prime to 639778824.
639778824 has 16 divisors, whose sum is 1214396220
The reverse of 639778824 is 428877936
Previous prime number is 81
Is Prime? no
Number parity even
Number length 9
Sum of Digits 54
Digital Root 9
Name
six hundred thirty-nine million seven hundred seventy-eight thousand eight hundred twenty-four
Scientific notation
6.39778824 × 10^8
Engineering notation
6.39778824 × 10^6
Prime Factorization
2 × 2 × 2 × 81 × 987313
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
159944706
Product of the distinct prime numbers
The prime factorization of 639778824 is 2 × 2 × 2 × 81 × 987313.
Since it has a total of 5 prime factors.
3 , 9 , 89 , 85 , 204 , 504 , 7242 , 9954 , 26258 , 43958 , 802881 , 343588 , 8722452 , 413584 , 98336432 , 99522150 , 53696567 , 863926902 , 9755568780 , 6104956969
n×2
1279557648
n×3
1919336472
n×4
2559115296
n×5
3198894120
n÷2
319889412
n÷3
213259608
n÷3
159944706
n÷5
127955764.8
n2
409316943638822976
n3
2.6187231284452E+26
n4
1.6754036034983E+35
n5
1.0718877471715E+44
2 √n
25293.849529085
3 √n
861.67459181496
4 √n
159.04040219103
5 √n
57.704007052376
1 , 2 , 4 , 8 , 81 , 162 , 324 , 648 , 987313 , 1974626 , 3949252 , 7898504 , 79972353 , 159944706 , 319889412 , 639778824
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
-639778823
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 639778824 can be divided by 16 positive divisors.
The sum of these divisors (counting 639778824) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110001000100100000000001000
3
Ternary
1122120212010120000
4
Quaternary
212020210000020
5
Quinary
2302240410244
6
Senary
143252403000
8
Octal
4610440010
10
Decimal
639778824
12
Duodecimal
15a316460
16
Hexadecimal
26224008
20
Vigesimal
9jic714
36
Base36
akwoi0
md5
d5be5ce6cd9c410c1d67bad80ed5215e
sha1
0e79453fbed450c5189fe65d9ba643d5c4ca8d56
sha256
912dc105b06da645721e3e8c27796155ce665d0e5c42ead3f45c0e583a057bef
sha512
36e1517ee4c94d1196c8b4ce9404c0646bd40dd07a0f5eea2621ceb4b7b876ce65ce67024fc972abf93cea368f31a6c26e1ce2abb334912b4efe2dc8f758dd63
ripemd-160
487ebd92955404e0ff2a085346e646b95981f0fd
Diameter
1279557648
Circumference
4019848906.8014
Area
1.2859071031256E+18
Volume
1.0969281789479E+27
Surface area
5.1436284125022E+18
Circumference
4019848906.8014
Perimeter
2559115296
Area
409316943638822976
Diagonal
904783889.81991
Surface area
2455901661832937856
Volume
2.6187231284452E+26
Space diagonal
1108129428.7747
Perimeter
1919336472
Area
1.7723943569531E+17
Altitude
554064714.38733
Surface area
1.7723943569531E+17
Volume
3.0861948036228E+25
Height
301594629.93997