638991624 (number)

638991624 is an even 9-digits composite number following 638991623 and preceding 638991625. In scientific notation, it is written as 6.38991624 × 10^8. The sum of its digits is 48. It has a total of 5 prime factors and 16 positive divisors. There are 212997200 positive integers (up to 638991624) that are relatively prime to 638991624.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million nine hundred ninety-one thousand six hundred twenty-four

Notation

Scientific notation 6.38991624 × 10^8
Engineering notation 6.38991624 × 10^6

Prime Factorization of 638991624

Prime Factorization 2 × 2 × 2 × 3 × 26624651

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 159747906
Product of the distinct prime numbers

The prime factorization of 638991624 is 2 × 2 × 2 × 3 × 26624651. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 638991624)

Multiplication

n×y
n×2 1277983248
n×3 1916974872
n×4 2555966496
n×5 3194958120

Division

n÷y
n÷2 319495812
n÷3 212997208
n÷3 159747906
n÷5 127798324.8

Exponentiation

ny
n2 408310295542157376
n3 2.609068588444E+26
n4 1.6671729744572E+35
n5 1.0653095664373E+44

Nth Root

y√n
2√n 25278.283644267
3√n 861.32103805185
4√n 158.99145777137
5√n 57.689799965241

Divisors of 638991624

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 -638991623
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 638991624 can be divided by 16 positive divisors. The sum of these divisors (counting 638991624) is 1, the average is 0.0625.

Base conversion 638991624

Base System Value
2 Binary 100110000101100011110100001000
3 Ternary 1122112101010201110
4 Quaternary 212011203310020
5 Quinary 2302040212444
6 Senary 143223450320
8 Octal 4605436410
10 Decimal 638991624
12 Duodecimal 159bb69a0
16 Hexadecimal 26163d08
20 Vigesimal 9jddj14
36 Base36 akft3c

Cryptographic Hash Functions

md5 8166482bbd674bbb40bc7a650f41e4de
sha1 09936de29cd9ecbbaba8ad8e0366e8c4a98b90a5
sha256 585ca73e4e6f66a762b8e335a9764a0490fcdeee32ad7cc5c214eeb6bbc26527
sha512 f94408cc14fb80ecd74efc1a5bab6748f0d8c42558eda6fab8918719bae951022ea433d394d39c3f50caef36da27c7a5ca1f0cd86d422f24a6b93cc721194693
ripemd-160 01b83766edd22ffbd77bccfab70850813b630f79

638991624 as geometric shapes

Circle

Radius = n
Diameter 1277983248
Circumference 4014902783.3276
Area 1.2827446248603E+18

Sphere

Radius = n
Volume 1.092884094689E+27
Surface area 5.1309784994413E+18
Circumference 4014902783.3276

Square

Length = n
Perimeter 2555966496
Area 408310295542157376
Diagonal 903670620.90361

Cube

Length = n
Surface area 2449861773252944256
Volume 2.609068588444E+26
Space diagonal 1106765958.3789

Equilateral Triangle

Length = n
Perimeter 1916974872
Area 1.7680354428312E+17
Altitude 553382979.18947

Triangular Pyramid

Length = n
Surface area 1.7680354428312E+17
Volume 3.074816819116E+25
Height 301223540.3012