381639 (number)

381639 is an odd 6-digits composite number following 381638 and preceding 381640. In scientific notation, it is written as 3.81639 × 10^5. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 243320 positive integers (up to 381639) that are relatively prime to 381639.

Interesting facts

Basic properties

Name

Name three hundred eighty-one thousand six hundred thirty-nine

Notation

Scientific notation 3.81639 × 10^5
Engineering notation 3.81639 × 10^3

Prime Factorization of 381639

Prime Factorization 3 × 23 × 5531

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 381639
Product of the distinct prime numbers

The prime factorization of 381639 is 3 × 23 × 5531. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 381639)

Multiplication

n×y
n×2 763278
n×3 1144917
n×4 1526556
n×5 1908195

Division

n÷y
n÷2 190819.5
n÷3 127213
n÷3 95409.75
n÷5 76327.8

Exponentiation

ny
n2 145648326321
n3 55585081608820119
n4 2.1213434960109E+22
n5 8.0958741047408E+27

Nth Root

y√n
2√n 617.76937444325
3√n 72.535551331427
4√n 24.854966796261
5√n 13.07165418221

Divisors of 381639

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -381638
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 381639 can be divided by 8 positive divisors. The sum of these divisors (counting 381639) is 1, the average is 0.125.

Base conversion 381639

Base System Value
2 Binary 1011101001011000111
3 Ternary 201101111210
4 Quaternary 1131023013
5 Quinary 44203024
6 Senary 12102503
8 Octal 1351307
10 Decimal 381639
12 Duodecimal 164a33
16 Hexadecimal 5d2c7
20 Vigesimal 27e1j
36 Base36 86h3

Cryptographic Hash Functions

md5 36ee7679b2b537daa7dc0a6a88917846
sha1 cef7d498480ef82c87bee85afb87d4811cc5a566
sha256 7467785540ece578616f4d4a7adcafa337e869beb26d55e0c61f9e92a46b1401
sha512 86d36b40e2a600d1e41db7eadfd88f7be415b3fbf347ed51d99aa88d762bb3b40752e2daa91c9d89a12b588cc706fcedba22fbf924a22e9a20e2cb3b1937cdeb
ripemd-160 c0cf597cbe01116a9d66a3ea471e25fa2a8bfec9

381639 as geometric shapes

Circle

Radius = n
Diameter 763278
Circumference 2397908.5574467
Area 457567711977.7

Sphere

Radius = n
Volume 2.3283424537528E+17
Surface area 1830270847910.8
Circumference 2397908.5574467

Square

Length = n
Perimeter 1526556
Area 145648326321
Diagonal 539719.04973051

Cube

Length = n
Surface area 873889957926
Volume 55585081608820119
Space diagonal 661018.13814978

Equilateral Triangle

Length = n
Perimeter 1144917
Area 63067575306.336
Altitude 330509.06907489

Triangular Pyramid

Length = n
Surface area 63067575306.336
Volume 6.5507646897341E+15
Height 179906.34991017