639778825 is an odd 9-digits composite number following 639778824
and preceding 639778826 . In scientific notation, it is written as 6.39778825 × 10^8.
The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors.
There are 438705360 positive integers (up to 639778825) that are relatively prime to 639778825.
639778825 has 8 divisors, whose sum is 789670080
The reverse of 639778825 is 528877936
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 55
Digital Root 1
Name
six hundred thirty-nine million seven hundred seventy-eight thousand eight hundred twenty-five
Scientific notation
6.39778825 × 10^8
Engineering notation
6.39778825 × 10^6
Prime Factorization
35 × 5 × 3655879
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
639778825
Product of the distinct prime numbers
The prime factorization of 639778825 is 35 × 5 × 3655879.
Since it has a total of 3 prime factors.
5 , 5 , 10 , 5 , 683 , 864 , 3395 , 3932 , 71859 , 15177 , 79970 , 469921 , 4164198 , 6442664 , 95591072 , 66599068 , 507945813 , 680049339 , 8627191406 , 3823434860
n×2
1279557650
n×3
1919336475
n×4
2559115300
n×5
3198894125
n÷2
319889412.5
n÷3
213259608.33333
n÷3
159944706.25
n÷5
127955765
n2
409316944918380625
n3
2.6187231407247E+26
n4
1.6754036139732E+35
n5
1.0718877555485E+44
2 √n
25293.849548853
3 √n
861.6745922639
4 √n
159.04040225318
5 √n
57.704007070414
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
-639778824
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 639778825 can be divided by 8 positive divisors.
The sum of these divisors (counting 639778825) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110001000100100000000001001
3
Ternary
1122120212010120001
4
Quaternary
212020210000021
5
Quinary
2302240410300
6
Senary
143252403001
8
Octal
4610440011
10
Decimal
639778825
12
Duodecimal
15a316461
16
Hexadecimal
26224009
20
Vigesimal
9jic715
36
Base36
akwoi1
md5
6a924a44a3516a351b568fb3ae2228d4
sha1
e5ac44658ccc8fb01f8b91b3b6988d06fce303f2
sha256
7e5783af82df4542764ff847a9d012b57947919235f082bce73727dbe5556f1d
sha512
2046cf744f1036374e1e17fd3f1fb953bd4a9d4baaf17351d3ec884e8e8a15c525cfd26c52a92970bcb0ab9825da5cdae610dd56f70470d208ff1a98c612a1ea
ripemd-160
fcdf5d701e1ca872c6066432e6e86e0664adfc16
Diameter
1279557650
Circumference
4019848913.0846
Area
1.2859071071454E+18
Volume
1.0969281840915E+27
Surface area
5.1436284285816E+18
Circumference
4019848913.0846
Perimeter
2559115300
Area
409316944918380625
Diagonal
904783891.23412
Surface area
2455901669510283750
Volume
2.6187231407247E+26
Space diagonal
1108129430.5067
Perimeter
1919336475
Area
1.7723943624938E+17
Altitude
554064715.25336
Surface area
1.7723943624938E+17
Volume
3.0861948180943E+25
Height
301594630.41137