639725907 (number)

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.

Interesting facts

Basic properties

Name

Name six hundred thirty-nine million seven hundred twenty-five thousand nine hundred seven

Notation

Scientific notation 6.39725907 × 10^8
Engineering notation 6.39725907 × 10^6

Prime Factorization of 639725907

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.

Most popular turbo-numbers

Basic calculations (n = 639725907)

Multiplication

n×y
n×2 1279451814
n×3 1919177721
n×4 2558903628
n×5 3198629535

Division

n÷y
n÷2 319862953.5
n÷3 213241969
n÷3 159931476.75
n÷5 127945181.4

Exponentiation

ny
n2 409249236086972649
n3 2.618073387448E+26
n4 1.6748493723777E+35
n5 1.0714445338327E+44

Nth Root

y√n
2√n 25292.803462645
3√n 861.65083439033
4√n 159.03711347558
5√n 57.703052464991

Divisors of 639725907

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 conversion 639725907

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

Cryptographic Hash Functions

md5 8916e83dbbc5b7a1b2e4b78a868e6f76
sha1 9068eb26f216145410b919800d180748b7d315f2
sha256 31d1c8b6b6a9130ce4f66c0e188c12997cc76e5a1ef94016f442d1b50468e5ac
sha512 082a9225e5ea1bb4eb894457269777e7b55567293a4a4227deef2ee4e25d06792d5dba8d39ea9b56548e0ae243c83800054228bbf72ad1dab3f4e10d7faab75b
ripemd-160 d1d9227c24c36834b0f51c526dbdb7faf9107e1c

639725907 as geometric shapes

Circle

Radius = n
Diameter 1279451814
Circumference 4019516419.4845
Area 1.2856943935781E+18

Sphere

Radius = n
Volume 1.0966560160754E+27
Surface area 5.1427775743123E+18
Circumference 4019516419.4845

Square

Length = n
Perimeter 2558903628
Area 409249236086972649
Diagonal 904709053.88083

Cube

Length = n
Surface area 2455495416521835894
Volume 2.618073387448E+26
Space diagonal 1108037773.8421

Equilateral Triangle

Length = n
Perimeter 1919177721
Area 1.7721011746535E+17
Altitude 554018886.92104

Triangular Pyramid

Length = n
Surface area 1.7721011746535E+17
Volume 3.0854290765141E+25
Height 301569684.62694