638996931 (number)

638996931 is an odd 9-digits composite number following 638996930 and preceding 638996932. In scientific notation, it is written as 6.38996931 × 10^8. The sum of its digits is 54. It has a total of 6 prime factors and 28 positive divisors. There are 415588320 positive integers (up to 638996931) that are relatively prime to 638996931.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38996931 × 10^8
Engineering notation 6.38996931 × 10^6

Prime Factorization of 638996931

Prime Factorization 3 × 3 × 3 × 27 × 41 × 21379

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 70999659
Product of the distinct prime numbers

The prime factorization of 638996931 is 3 × 3 × 3 × 27 × 41 × 21379. Since it has a total of 6 prime factors.

Most popular turbo-numbers

10, 2, 70, 95, 813, 270, 9754, 8813, 71633, 81171, 454774, 214440, 5866952, 9048688, 19577095, 76787674, 117132654, 758700850, 4994676028, 5072826793

Basic calculations (n = 638996931)

Multiplication

n×y
n×2 1277993862
n×3 1916990793
n×4 2555987724
n×5 3194984655

Division

n÷y
n÷2 319498465.5
n÷3 212998977
n÷3 159749232.75
n÷5 127799386.2

Exponentiation

ny
n2 408317077827418761
n3 2.6091335960661E+26
n4 1.6672283604552E+35
n5 1.065353805607E+44

Nth Root

y√n
2√n 25278.388615574
3√n 861.32342254742
4√n 158.99178788722
5√n 57.689895790832

Divisors of 638996931

1, 3, 9, 27, 41, 81, 123, 243, 369, 729, 1107, 3321, 9963, 21379, 29889, 64137, 192411, 577233, 876539, 1731699, 2629617, 5195097, 7888851, 15585291, 23666553, 70999659, 212998977, 638996931

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638996930
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638996931 can be divided by 28 positive divisors. The sum of these divisors (counting 638996931) is 1, the average is 0.035714285714286.

Base conversion 638996931

Base System Value
2 Binary 100110000101100101000111000011
3 Ternary 1122112101102000000
4 Quaternary 212011211013003
5 Quinary 2302040400211
6 Senary 143223531043
8 Octal 4605450703
10 Decimal 638996931
12 Duodecimal 159bb9a83
16 Hexadecimal 261651c3
20 Vigesimal 9jdec6b
36 Base36 akfx6r

Cryptographic Hash Functions

md5 977f07774d4848643db52d9e87274224
sha1 9bb10c6d64378feca07b58ff9e8764d15e6430b3
sha256 ee627159e54e64bd804cdb5b44a8feb2a78fd98a076a789c65c00b57f39f0aac
sha512 4fd44e28fc93a9a9246dc06529139eedc3675e80e1c093c69a8714c52e71ef5fd12e9bbd0f5234d4c7abc903a973fa0053a88904140d172cc107347dea20f1c8
ripemd-160 8ac1a650c5ee5e155e53b4578a26d75f87ca04a5

638996931 as geometric shapes

Circle

Radius = n
Diameter 1277993862
Circumference 4014936128.192
Area 1.2827659320379E+18

Sphere

Radius = n
Volume 1.0929113250181E+27
Surface area 5.1310637281515E+18
Circumference 4014936128.192

Square

Length = n
Perimeter 2555987724
Area 408317077827418761
Diagonal 903678126.13498

Cube

Length = n
Surface area 2449902466964512566
Volume 2.6091335960661E+26
Space diagonal 1106775150.3726

Equilateral Triangle

Length = n
Perimeter 1916990793
Area 1.7680648109879E+17
Altitude 553387575.18629

Triangular Pyramid

Length = n
Surface area 1.7680648109879E+17
Volume 3.0748934313333E+25
Height 301226042.04499