638863492 (number)

638863492 is an even 9-digits composite number following 638863491 and preceding 638863493. In scientific notation, it is written as 6.38863492 × 10^8. The sum of its digits is 49. It has a total of 5 prime factors and 24 positive divisors. There are 309497760 positive integers (up to 638863492) that are relatively prime to 638863492.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38863492 × 10^8
Engineering notation 6.38863492 × 10^6

Prime Factorization of 638863492

Prime Factorization 2 × 2 × 67 × 61 × 39079

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 319431746
Product of the distinct prime numbers

The prime factorization of 638863492 is 2 × 2 × 67 × 61 × 39079. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 6, 52, 59, 319, 965, 9790, 7327, 52648, 15200, 936124, 575268, 2112989, 4121901, 91488316, 24444525, 670215661, 355157080, 2632372945, 3811448638

Basic calculations (n = 638863492)

Multiplication

n×y
n×2 1277726984
n×3 1916590476
n×4 2555453968
n×5 3194317460

Division

n÷y
n÷2 319431746
n÷3 212954497.33333
n÷3 159715873
n÷5 127772698.4

Exponentiation

ny
n2 408146561410434064
n3 2.6074993747046E+26
n4 1.6658361559116E+35
n5 1.0642419036655E+44

Nth Root

y√n
2√n 25275.749088801
3√n 861.26346287629
4√n 158.98348684313
5√n 57.687486162637

Divisors of 638863492

1, 2, 4, 61, 67, 122, 134, 244, 268, 4087, 8174, 16348, 39079, 78158, 156316, 2383819, 2618293, 4767638, 5236586, 9535276, 10473172, 159715873, 319431746, 638863492

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638863491
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638863492 can be divided by 24 positive divisors. The sum of these divisors (counting 638863492) is 1, the average is 0.041666666666667.

Base conversion 638863492

Base System Value
2 Binary 100110000101000100100010000100
3 Ternary 1122112010121221211
4 Quaternary 212011010202010
5 Quinary 2302022112432
6 Senary 143221021204
8 Octal 4605044204
10 Decimal 638863492
12 Duodecimal 159b54804
16 Hexadecimal 26144884
20 Vigesimal 9jchiec
36 Base36 akd284

Cryptographic Hash Functions

md5 8a516ff5dec3f5ff45570c2b2038692a
sha1 892b0bded0060c40a889bedd4a98d756904cfca8
sha256 1868da900ad66a8f23b4adb9b67901c18eac1ad6f177a10e9d0944eb64d08623
sha512 ec01c4c430b18bb654b72aa18baf4989f4cc661ac2883fb3f8c42f848fef4a3166f8f3c5d789ab081279f3b42de0c410bb702858f8074336617f23ac0a9d7882
ripemd-160 52186dc495878466e98a5a934a4ad59d31319dc1

638863492 as geometric shapes

Circle

Radius = n
Diameter 1277726984
Circumference 4014097706.2278
Area 1.282230238915E+18

Sphere

Radius = n
Volume 1.0922267839749E+27
Surface area 5.1289209556598E+18
Circumference 4014097706.2278

Square

Length = n
Perimeter 2555453968
Area 408146561410434064
Diagonal 903489414.89144

Cube

Length = n
Surface area 2448879368462604384
Volume 2.6074993747046E+26
Space diagonal 1106544027.2449

Equilateral Triangle

Length = n
Perimeter 1916590476
Area 1.7673264532435E+17
Altitude 553272013.62244

Triangular Pyramid

Length = n
Surface area 1.7673264532435E+17
Volume 3.0729674829889E+25
Height 301163138.29715