Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

381805 (number)

381805 is an odd 6-digits composite number following 381804 and preceding 381806. In scientific notation, it is written as 3.81805 × 10^5. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 289296 positive integers (up to 381805) that are relatively prime to 381805.

Interesting facts

381805 has 8 divisors, whose sum is 482400
The reverse of 381805 is 508183
Previous prime number is 19

Basic properties

Is Prime? no
Number parity odd
Number length 6
Sum of Digits 25
Digital Root 7

Name

Name	three hundred eighty-one thousand eight hundred five

Notation

Scientific notation	3.81805 × 10^5
Engineering notation	3.81805 × 10^3

Prime Factorization of 381805

Prime Factorization 5 × 19 × 4019

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	381805	Product of the distinct prime numbers

The prime factorization of 381805 is 5 × 19 × 4019. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 8, 59, 33, 361, 278, 2635, 4566, 69381, 77599, 282243, 536731, 9592972, 9886496, 87824146, 36531254, 131482613, 806377274, 4425506600, 7905909180

Basic calculations (n = 381805)

Multiplication

n×y

n×2	763610
n×3	1145415
n×4	1527220
n×5	1909025

Division

n÷y

n÷2	190902.5
n÷3	127268.33333333
n÷3	95451.25
n÷5	76361

Exponentiation

n^y

n²	145775058025
n³	55657646029235125
n⁴	2.1250367542192E+22
n⁵	8.1134965794467E+27

Nth Root

^y√n

²√n	617.90371418207
³√n	72.546066640526
⁴√n	24.857669122065
⁵√n	13.072791129514

Divisors of 381805

1, 5, 19, 95, 4019, 20095, 76361, 381805

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	-381804	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 381805 can be divided by 8 positive divisors. The sum of these divisors (counting 381805) is 1, the average is 0.125.

Base conversion 381805

Base	System	Value
2	Binary	1011101001101101101
3	Ternary	201101201221
4	Quaternary	1131031231
5	Quinary	44204210
6	Senary	12103341
8	Octal	1351555
10	Decimal	381805
12	Duodecimal	164b51
16	Hexadecimal	5d36d
20	Vigesimal	27ea5
36	Base36	86lp

Cryptographic Hash Functions

md5	a1569a8341e4ff208aa338443197815e
sha1	55ac460acf200826a5fc12140638ece494e1e6ea
sha256	66efde1917c1a6aa1ca5640194ca19813a65ee02599a3b96827f7ae7392c5b59
sha512	408e1609002dfb5aa399688e0e226e9c1f4877ffb9243cae4d2918cd541ec17de390587afc01701fe0490adb5317f73ff4aa84e163c5e4a4e842ca424298699e
ripemd-160	76f2517e73724c1c3e2016a0bd857e3786effb71

381805 as geometric shapes

Circle

Radius = n

Diameter	763610
Circumference	2398951.5662077
Area	457965851367.97

Sphere

Radius = n

Volume	2.3313820250873E+17
Surface area	1831863405471.9
Circumference	2398951.5662077

Square

Length = n

Perimeter	1527220
Area	145775058025
Diagonal	539953.80918186

Cube

Length = n

Surface area	874650348150
Volume	55657646029235125
Space diagonal	661305.65858384

Equilateral Triangle

Length = n

Perimeter	1145415
Area	63122451743.9
Altitude	330652.82929192

Triangular Pyramid

Length = n

Surface area	63122451743.9
Volume	6.5593164886921E+15
Height	179984.60306062