638894 (number)

638894 is an even 6-digits composite number following 638893 and preceding 638895. In scientific notation, it is written as 6.38894 × 10^5. The sum of its digits is 38. It has a total of 5 prime factors and 32 positive divisors. There are 266112 positive integers (up to 638894) that are relatively prime to 638894.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38894 × 10^5
Engineering notation 6.38894 × 10^3

Prime Factorization of 638894

Prime Factorization 2 × 19 × 17 × 23 × 43

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 638894
Product of the distinct prime numbers

The prime factorization of 638894 is 2 × 19 × 17 × 23 × 43. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 3, 85, 51, 12, 899, 3179, 9806, 26322, 10076, 64473, 495093, 2495352, 8565302, 68961407, 18731174, 32497485, 243109370, 8172321952, 3352483118

Basic calculations (n = 638894)

Multiplication

n×y
n×2 1277788
n×3 1916682
n×4 2555576
n×5 3194470

Division

n÷y
n÷2 319447
n÷3 212964.66666667
n÷3 159723.5
n÷5 127778.8

Exponentiation

ny
n2 408185543236
n3 260787294460220984
n4 1.6661543770687E+23
n5 1.0644960345829E+29

Nth Root

y√n
2√n 799.30845110007
3√n 86.127717212081
4√n 28.272043631476
5√n 14.490579767344

Divisors of 638894

1, 2, 17, 19, 23, 34, 38, 43, 46, 86, 323, 391, 437, 646, 731, 782, 817, 874, 989, 1462, 1634, 1978, 7429, 13889, 14858, 16813, 18791, 27778, 33626, 37582, 319447, 638894

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638893
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638894 can be divided by 32 positive divisors. The sum of these divisors (counting 638894) is 1, the average is 0.03125.

Base conversion 638894

Base System Value
2 Binary 10011011111110101110
3 Ternary 1012110101202
4 Quaternary 2123332232
5 Quinary 130421034
6 Senary 21405502
8 Octal 2337656
10 Decimal 638894
12 Duodecimal 269892
16 Hexadecimal 9bfae
20 Vigesimal 3jh4e
36 Base36 doz2

Cryptographic Hash Functions

md5 c7e5c12880c3c65821788118276c9f43
sha1 d365b4024613ec4ad9b5305a1bb74ecadaf9124b
sha256 0e0c83c0ba29765a89d20a49c3489a562305efc3adad982b4cb2a413284cd79f
sha512 7cfdb551b4cad248facfef76bdf35ee7275dcf2f97a07a6b521870dea53e309f0e3ee36eeefb9156948b150329d5ffb0b2b009554699607d657f6e628cb8bf20
ripemd-160 80d34373066b614519b5d825ab5fa834b5954f30

638894 as geometric shapes

Circle

Radius = n
Diameter 1277788
Circumference 4014289.3936452
Area 1282352703931.8

Sphere

Radius = n
Volume 1.0923832645677E+18
Surface area 5129410815727.1
Circumference 4014289.3936452

Square

Length = n
Perimeter 2555576
Area 408185543236
Diagonal 903532.5597188

Cube

Length = n
Surface area 2449113259416
Volume 260787294460220984
Space diagonal 1106596.8686509

Equilateral Triangle

Length = n
Perimeter 1916682
Area 176749524949.96
Altitude 553298.43432546

Triangular Pyramid

Length = n
Surface area 176749524949.96
Volume 3.0734077393353E+16
Height 301177.51990627