639725907 is an odd 9-digits composite number following 639725906
and preceding 639725908 . In scientific notation, it is written as 6.39725907 × 10^8.
The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors.
There are 426483936 positive integers (up to 639725907) that are relatively prime to 639725907.
639725907 has 4 divisors, whose sum is 852967880
The reverse of 639725907 is 709527936
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
six hundred thirty-nine million seven hundred twenty-five thousand nine hundred seven
Scientific notation
6.39725907 × 10^8
Engineering notation
6.39725907 × 10^6
Prime Factorization
3 × 213241969
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
639725907
Product of the distinct prime numbers
The prime factorization of 639725907 is 3 × 213241969.
Since it has a total of 2 prime factors.
3 , 7 , 37 , 74 , 77 , 960 , 3493 , 863 , 25880 , 39235 , 278161 , 882315 , 7862627 , 1894243 , 77520007 , 23294410 , 788765875 , 184949312 , 7719849846 , 7191401589
n×2
1279451814
n×3
1919177721
n×4
2558903628
n×5
3198629535
n÷2
319862953.5
n÷3
213241969
n÷3
159931476.75
n÷5
127945181.4
n2
409249236086972649
n3
2.618073387448E+26
n4
1.6748493723777E+35
n5
1.0714445338327E+44
2 √n
25292.803462645
3 √n
861.65083439033
4 √n
159.03711347558
5 √n
57.703052464991
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-639725906
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 639725907 can be divided by 4 positive divisors.
The sum of these divisors (counting 639725907) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110001000010111000101010011
3
Ternary
1122120202102222010
4
Quaternary
212020113011103
5
Quinary
2302232212112
6
Senary
143251314003
8
Octal
4610270523
10
Decimal
639725907
12
Duodecimal
15a2ab903
16
Hexadecimal
26217153
20
Vigesimal
9ji5ef7
36
Base36
akvjo3
md5
8916e83dbbc5b7a1b2e4b78a868e6f76
sha1
9068eb26f216145410b919800d180748b7d315f2
sha256
31d1c8b6b6a9130ce4f66c0e188c12997cc76e5a1ef94016f442d1b50468e5ac
sha512
082a9225e5ea1bb4eb894457269777e7b55567293a4a4227deef2ee4e25d06792d5dba8d39ea9b56548e0ae243c83800054228bbf72ad1dab3f4e10d7faab75b
ripemd-160
d1d9227c24c36834b0f51c526dbdb7faf9107e1c
Diameter
1279451814
Circumference
4019516419.4845
Area
1.2856943935781E+18
Volume
1.0966560160754E+27
Surface area
5.1427775743123E+18
Circumference
4019516419.4845
Perimeter
2558903628
Area
409249236086972649
Diagonal
904709053.88083
Surface area
2455495416521835894
Volume
2.618073387448E+26
Space diagonal
1108037773.8421
Perimeter
1919177721
Area
1.7721011746535E+17
Altitude
554018886.92104
Surface area
1.7721011746535E+17
Volume
3.0854290765141E+25
Height
301569684.62694