1381805 (number)

1381805 is an odd 7-digits composite number following 1381804 and preceding 1381806. In scientific notation, it is written as 1.381805 × 10^6. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 1079568 positive integers (up to 1381805) that are relatively prime to 1381805.

Interesting facts

Basic properties

Name

Name one million three hundred eighty-one thousand eight hundred five

Notation

Scientific notation 1.381805 × 10^6
Engineering notation 1.381805 × 10^6

Prime Factorization of 1381805

Prime Factorization 5 × 43 × 6427

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1381805
Product of the distinct prime numbers

The prime factorization of 1381805 is 5 × 43 × 6427. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1381805)

Multiplication

n×y
n×2 2763610
n×3 4145415
n×4 5527220
n×5 6909025

Division

n÷y
n÷2 690902.5
n÷3 460601.66666667
n÷3 345451.25
n÷5 276361

Exponentiation

ny
n2 1909385058025
n3 2638397820104235125
n4 3.6457512998091E+24
n5 5.0377173748328E+30

Nth Root

y√n
2√n 1175.5020204151
3√n 111.38214739051
4√n 34.28559494037
5√n 16.907887595909

Divisors of 1381805

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 -1381804
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 1381805 can be divided by 8 positive divisors. The sum of these divisors (counting 1381805) is 1, the average is 0.125.

Base conversion 1381805

Base System Value
2 Binary 101010001010110101101
3 Ternary 2121012110222
4 Quaternary 11101112231
5 Quinary 323204210
6 Senary 45341125
8 Octal 5212655
10 Decimal 1381805
12 Duodecimal 5677a5
16 Hexadecimal 1515ad
20 Vigesimal 8cea5
36 Base36 tm7h

Cryptographic Hash Functions

md5 d0701b028c35e82b7a567a6ce521c5ec
sha1 03685fa1e724490399cb9c51dd5901cdc3f50c0d
sha256 3fec5fd759d5723b5c978ab8b7c9f5d562adf79664375a43e360e1c97c3e0cb0
sha512 4a4db6a9bbc657724589a49e9b5b66d1cc6e56815a0a6a194d95552b6c36362413edf95b3c4fee4b5b2203853acdaee6facfebf016afe4650392e1eddf2465de
ripemd-160 3ea9770c8fc2eaa9007c240ec4d64e697303083c

1381805 as geometric shapes

Circle

Radius = n
Diameter 2763610
Circumference 8682136.8733873
Area 5998510071165.5

Sphere

Radius = n
Volume 1.1051694945182E+19
Surface area 23994040284662
Circumference 8682136.8733873

Square

Length = n
Perimeter 5527220
Area 1909385058025
Diagonal 1954167.371555

Cube

Length = n
Surface area 11456310348150
Volume 2638397820104235125
Space diagonal 2393356.4661527

Equilateral Triangle

Length = n
Perimeter 4145415
Area 826787982928.04
Altitude 1196678.2330764

Triangular Pyramid

Length = n
Surface area 826787982928.04
Volume 3.1093816501058E+17
Height 651389.12385165