1640405 (number)

1640405 is an odd 7-digits composite number following 1640404 and preceding 1640406. In scientific notation, it is written as 1.640405 × 10^6. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 1211328 positive integers (up to 1640405) that are relatively prime to 1640405.

Interesting facts

Basic properties

Name

Name one million six hundred forty thousand four hundred five

Notation

Scientific notation 1.640405 × 10^6
Engineering notation 1.640405 × 10^6

Prime Factorization of 1640405

Prime Factorization 5 × 13 × 25237

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1640405
Product of the distinct prime numbers

The prime factorization of 1640405 is 5 × 13 × 25237. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1640405)

Multiplication

n×y
n×2 3280810
n×3 4921215
n×4 6561620
n×5 8202025

Division

n÷y
n÷2 820202.5
n÷3 546801.66666667
n÷3 410101.25
n÷5 328081

Exponentiation

ny
n2 2690928564025
n3 4414212671069430125
n4 7.2410965366856E+24
n5 1.1878330964262E+31

Nth Root

y√n
2√n 1280.7829636593
3√n 117.93707743644
4√n 35.78802821698
5√n 17.498072711733

Divisors of 1640405

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 -1640404
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 1640405 can be divided by 8 positive divisors. The sum of these divisors (counting 1640405) is 1, the average is 0.125.

Base conversion 1640405

Base System Value
2 Binary 110010000011111010101
3 Ternary 10002100012202
4 Quaternary 12100133111
5 Quinary 404443110
6 Senary 55054245
8 Octal 6203725
10 Decimal 1640405
12 Duodecimal 671385
16 Hexadecimal 1907d5
20 Vigesimal a5105
36 Base36 z5qt

Cryptographic Hash Functions

md5 cf49c4716c48f60c1302546f37fed2e4
sha1 1ebc553623e0c1190000b1d85623669d71a408d9
sha256 55c6dafe590c592251ca4763db191d5f0c2b54089cdc7488be5ef97d962d8d6e
sha512 e056b0796753e664836e0725e4b591d7713b56af67166336ba47b6abb1a8524370b2c9cc0c0b74cbaae050762da58c05ff89845c0c7943ef7c41f2614792ae04
ripemd-160 b6ce0052131f9645472ca51bdbd6948bd3c1579c

1640405 as geometric shapes

Circle

Radius = n
Diameter 3280810
Circumference 10306968.593824
Area 8453801408075.9

Sphere

Radius = n
Volume 1.849021079842E+19
Surface area 33815205632303
Circumference 10306968.593824

Square

Length = n
Perimeter 6561620
Area 2690928564025
Diagonal 2319882.9987846

Cube

Length = n
Surface area 16145571384150
Volume 4414212671069430125
Space diagonal 2841264.80499

Equilateral Triangle

Length = n
Perimeter 4921215
Area 1165206248107.4
Altitude 1420632.402495

Triangular Pyramid

Length = n
Surface area 1165206248107.4
Volume 5.202199522188E+17
Height 773294.33292821