381645 (number)

381645 is an odd 6-digits composite number following 381644 and preceding 381646. In scientific notation, it is written as 3.81645 × 10^5. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 184320 positive integers (up to 381645) that are relatively prime to 381645.

Interesting facts

Basic properties

Name

Name three hundred eighty-one thousand six hundred forty-five

Notation

Scientific notation 3.81645 × 10^5
Engineering notation 3.81645 × 10^3

Prime Factorization of 381645

Prime Factorization 27 × 5 × 11 × 257

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 381645
Product of the distinct prime numbers

The prime factorization of 381645 is 27 × 5 × 11 × 257. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 381645)

Multiplication

n×y
n×2 763290
n×3 1144935
n×4 1526580
n×5 1908225

Division

n÷y
n÷2 190822.5
n÷3 127215
n÷3 95411.25
n÷5 76329

Exponentiation

ny
n2 145652906025
n3 55587703319911125
n4 2.1214769033527E+22
n5 8.0965105278006E+27

Nth Root

y√n
2√n 617.77423060532
3√n 72.535931455948
4√n 24.855064486042
5√n 13.071695283581

Divisors of 381645

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 -381644
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 381645 can be divided by 16 positive divisors. The sum of these divisors (counting 381645) is 1, the average is 0.0625.

Base conversion 381645

Base System Value
2 Binary 1011101001011001101
3 Ternary 201101112000
4 Quaternary 1131023031
5 Quinary 44203040
6 Senary 12102513
8 Octal 1351315
10 Decimal 381645
12 Duodecimal 164a39
16 Hexadecimal 5d2cd
20 Vigesimal 27e25
36 Base36 86h9

Cryptographic Hash Functions

md5 afa5633edbd4e13408939cd899b06eb4
sha1 b808be91730c5606d22bc3ca1f50c1ebd0e2d73c
sha256 069e798f1e306c66675c2cd8376f8419a1a0db9a16f6c8fa27d96697f344cd9b
sha512 81a6dfd73c924557bfb382dc27574c1dad463510ec3975f5861f18ac2dccc862ddcb3576dccbcad4c5902d1353d8ffe38517b0596ac344156c09959cf2370784
ripemd-160 098d15de4a8e81bd4cd77a00f3d959ca0627f75e

381645 as geometric shapes

Circle

Radius = n
Diameter 763290
Circumference 2397946.2565586
Area 457582099542.14

Sphere

Radius = n
Volume 2.3284522717302E+17
Surface area 1830328398168.6
Circumference 2397946.2565586

Square

Length = n
Perimeter 1526580
Area 145652906025
Diagonal 539727.53501188

Cube

Length = n
Surface area 873917436150
Volume 55587703319911125
Space diagonal 661028.53045462

Equilateral Triangle

Length = n
Perimeter 1144935
Area 63069558376.339
Altitude 330514.26522731

Triangular Pyramid

Length = n
Surface area 63069558376.339
Volume 6.5510736613492E+15
Height 179909.17833729