638432894 (number)

638432894 is an even 9-digits composite number following 638432893 and preceding 638432895. In scientific notation, it is written as 6.38432894 × 10^8. The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors. There are 283118400 positive integers (up to 638432894) that are relatively prime to 638432894.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38432894 × 10^8
Engineering notation 6.38432894 × 10^6

Prime Factorization of 638432894

Prime Factorization 2 × 11 × 41 × 707797

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 638432894
Product of the distinct prime numbers

The prime factorization of 638432894 is 2 × 11 × 41 × 707797. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 7, 95, 66, 147, 539, 7778, 3651, 2968, 20649, 214001, 184819, 7107296, 3087532, 77906575, 73639441, 684513341, 657637832, 8400542395, 9191531163

Basic calculations (n = 638432894)

Multiplication

n×y
n×2 1276865788
n×3 1915298682
n×4 2553731576
n×5 3192164470

Division

n÷y
n÷2 319216447
n÷3 212810964.66667
n÷3 159608223.5
n÷5 127686578.8

Exponentiation

ny
n2 407596560141215236
n3 2.602230514754E+26
n4 1.6613495583895E+35
n5 1.0606602065082E+44

Nth Root

y√n
2√n 25267.229646323
3√n 861.06992039514
4√n 158.95669110271
5√n 57.679707719779

Divisors of 638432894

1, 2, 11, 22, 41, 82, 451, 902, 707797, 1415594, 7785767, 15571534, 29019677, 58039354, 319216447, 638432894

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 -638432893
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 638432894 can be divided by 16 positive divisors. The sum of these divisors (counting 638432894) is 1, the average is 0.0625.

Base conversion 638432894

Base System Value
2 Binary 100110000011011011011001111110
3 Ternary 1122111022202021202
4 Quaternary 212003123121332
5 Quinary 2301414323034
6 Senary 143203455502
8 Octal 4603333176
10 Decimal 638432894
12 Duodecimal 159987592
16 Hexadecimal 260db67e
20 Vigesimal 9ja424e
36 Base36 ak3tz2

Cryptographic Hash Functions

md5 88b5d80692e343bdac2e38cb6748378a
sha1 6c22f45c0cc9719982afd6eaa593aa493770d529
sha256 98f55ec343771c26d49e48e8d127b4f98a4b2cc900a644e0f8c6696dc7964097
sha512 0e3bf4976826f4532240935b1c52e274d578f0113a6db8fe1eec6f583ac6c5c000e78d0084965e772692b51602f30b7218760616b92d3795e4924815f188b369
ripemd-160 f416b867790f5681487ea7df6f8bb871c0a86205

638432894 as geometric shapes

Circle

Radius = n
Diameter 1276865788
Circumference 4011392179.2009
Area 1.2805023589681E+18

Sphere

Radius = n
Volume 1.0900197690798E+27
Surface area 5.1220094358724E+18
Circumference 4011392179.2009

Square

Length = n
Perimeter 2553731576
Area 407596560141215236
Diagonal 902880457.3599

Cube

Length = n
Surface area 2445579360847291416
Volume 2.602230514754E+26
Space diagonal 1105798209.6312

Equilateral Triangle

Length = n
Perimeter 1915298682
Area 1.7649448778872E+17
Altitude 552899104.81562

Triangular Pyramid

Length = n
Surface area 1.7649448778872E+17
Volume 3.0667580719885E+25
Height 300960152.4533