638996925 (number)

638996925 is an odd 9-digits composite number following 638996924 and preceding 638996926. In scientific notation, it is written as 6.38996925 × 10^8. The sum of its digits is 57. It has a total of 4 prime factors and 16 positive divisors. There are 279407040 positive integers (up to 638996925) that are relatively prime to 638996925.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million nine hundred ninety-six thousand nine hundred twenty-five

Notation

Scientific notation 6.38996925 × 10^8
Engineering notation 6.38996925 × 10^6

Prime Factorization of 638996925

Prime Factorization 3 × 175 × 23 × 52919

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 638996925
Product of the distinct prime numbers

The prime factorization of 638996925 is 3 × 175 × 23 × 52919. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 638996925)

Multiplication

n×y
n×2 1277993850
n×3 1916990775
n×4 2555987700
n×5 3194984625

Division

n÷y
n÷2 319498462.5
n÷3 212998975
n÷3 159749231.25
n÷5 127799385

Exponentiation

ny
n2 408317070159455625
n3 2.609133522569E+26
n4 1.667228297836E+35
n5 1.0653537555902E+44

Nth Root

y√n
2√n 25278.388496896
3√n 861.32341985156
4√n 158.991787514
5√n 57.689895682494

Divisors of 638996925

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 -638996924
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 638996925 can be divided by 16 positive divisors. The sum of these divisors (counting 638996925) is 1, the average is 0.0625.

Base conversion 638996925

Base System Value
2 Binary 100110000101100101000110111101
3 Ternary 1122112101101222210
4 Quaternary 212011211012331
5 Quinary 2302040400200
6 Senary 143223531033
8 Octal 4605450675
10 Decimal 638996925
12 Duodecimal 159bb9a79
16 Hexadecimal 261651bd
20 Vigesimal 9jdec65
36 Base36 akfx6l

Cryptographic Hash Functions

md5 cf4e2b677ce4cdd35bebadebbed35467
sha1 e26b47a3e8028fca02e122fc268cb504b6b36103
sha256 e487ddeb5c69cbc50d595b74061c925da0bbd5b8cfc690f93e7d90dc31cf1baf
sha512 a2749994b091da733fa777607c4c08fdcaafcfee3d570d67337bab4264df5018ce4f0edba848a320f39f4536507be6d8a6674ac714d5c798f100f2cb5a599c86
ripemd-160 807dc9668dd5f0e6680947bd4caf2c09e32644df

638996925 as geometric shapes

Circle

Radius = n
Diameter 1277993850
Circumference 4014936090.4929
Area 1.2827659079483E+18

Sphere

Radius = n
Volume 1.0929112942317E+27
Surface area 5.131063631793E+18
Circumference 4014936090.4929

Square

Length = n
Perimeter 2555987700
Area 408317070159455625
Diagonal 903678117.6497

Cube

Length = n
Surface area 2449902420956733750
Volume 2.609133522569E+26
Space diagonal 1106775139.9803

Equilateral Triangle

Length = n
Perimeter 1916990775
Area 1.7680647777846E+17
Altitude 553387569.99014

Triangular Pyramid

Length = n
Surface area 1.7680647777846E+17
Volume 3.0748933447162E+25
Height 301226039.21657