638866490 (number)

638866490 is an even 9-digits composite number following 638866489 and preceding 638866491. In scientific notation, it is written as 6.38866490 × 10^8. The sum of its digits is 50. It has a total of 4 prime factors and 16 positive divisors. There are 254429760 positive integers (up to 638866490) that are relatively prime to 638866490.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million eight hundred sixty-six thousand four hundred ninety

Notation

Scientific notation 6.38866490 × 10^8
Engineering notation 6.38866490 × 10^6

Prime Factorization of 638866490

Prime Factorization 2 × 5 × 229 × 278981

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 638866490
Product of the distinct prime numbers

The prime factorization of 638866490 is 2 × 5 × 229 × 278981. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 4, 74, 50, 692, 30, 1597, 9257, 87378, 14073, 829272, 114558, 4709129, 6432979, 57342331, 50500660, 709291617, 227688855, 2704384787, 9811012416

Basic calculations (n = 638866490)

Multiplication

n×y
n×2 1277732980
n×3 1916599470
n×4 2555465960
n×5 3194332450

Division

n÷y
n÷2 319433245
n÷3 212955496.66667
n÷3 159716622.5
n÷5 127773298

Exponentiation

ny
n2 408150392044920100
n3 2.6075360835786E+26
n4 1.6658674252642E+35
n5 1.0642668747839E+44

Nth Root

y√n
2√n 25275.808394589
3√n 861.26481009358
4√n 158.98367335859
5√n 57.687540304644

Divisors of 638866490

1, 2, 5, 10, 229, 458, 1145, 2290, 278981, 557962, 1394905, 2789810, 63886649, 127773298, 319433245, 638866490

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 -638866489
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 638866490 can be divided by 16 positive divisors. The sum of these divisors (counting 638866490) is 1, the average is 0.0625.

Base conversion 638866490

Base System Value
2 Binary 100110000101000101010000111010
3 Ternary 1122112010210001212
4 Quaternary 212011011100322
5 Quinary 2302022211430
6 Senary 143221043122
8 Octal 4605052072
10 Decimal 638866490
12 Duodecimal 159b564a2
16 Hexadecimal 2614543a
20 Vigesimal 9jci64a
36 Base36 akd4je

Cryptographic Hash Functions

md5 627cfc7e41656171e799a2c138125442
sha1 4834ab16fb518c5543c11e5d4e122bd4fc66eba5
sha256 174c30644a71457b62bc43604ce263f67aaea5b90db1b1bd6d89183e02788693
sha512 3206cd3da8d69513b0609f31214a6e9429151a008f25b060ba9777a9d47fc8dc50637e2e76c4f3ab91177ead422d92849322684a638d5710bb7a12443c0de084
ripemd-160 3230ad3d462ec6f3c314015bf535d245bafb4f51

638866490 as geometric shapes

Circle

Radius = n
Diameter 1277732980
Circumference 4014116543.2174
Area 1.2822422732081E+18

Sphere

Radius = n
Volume 1.0922421605521E+27
Surface area 5.1289690928325E+18
Circumference 4014116543.2174

Square

Length = n
Perimeter 2555465960
Area 408150392044920100
Diagonal 903493654.7037

Cube

Length = n
Surface area 2448902352269520600
Volume 2.6075360835786E+26
Space diagonal 1106549219.9332

Equilateral Triangle

Length = n
Perimeter 1916599470
Area 1.7673430403774E+17
Altitude 553274609.9666

Triangular Pyramid

Length = n
Surface area 1.7673430403774E+17
Volume 3.0730107448118E+25
Height 301164551.5679