1640385 (number)

1640385 is an odd 7-digits composite number following 1640384 and preceding 1640386. In scientific notation, it is written as 1.640385 × 10^6. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 842688 positive integers (up to 1640385) that are relatively prime to 1640385.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.640385 × 10^6
Engineering notation 1.640385 × 10^6

Prime Factorization of 1640385

Prime Factorization 5 × 27 × 29 × 419

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1640385
Product of the distinct prime numbers

The prime factorization of 1640385 is 5 × 27 × 29 × 419. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 1, 48, 93, 891, 554, 8029, 9492, 70050, 61452, 105836, 430179, 6147777, 5916735, 47640828, 61513530, 714317334, 527041999, 162953942, 4492046641

Basic calculations (n = 1640385)

Multiplication

n×y
n×2 3280770
n×3 4921155
n×4 6561540
n×5 8201925

Division

n÷y
n÷2 820192.5
n÷3 546795
n÷3 410096.25
n÷5 328077

Exponentiation

ny
n2 2690862948225
n3 4414051217324066625
n4 7.2407434061301E+24
n5 1.1877606872265E+31

Nth Root

y√n
2√n 1280.7751559115
3√n 117.93659813384
4√n 35.787919133577
5√n 17.498030043835

Divisors of 1640385

1, 5, 27, 29, 135, 145, 419, 783, 2095, 3915, 11313, 12151, 56565, 60755, 328077, 1640385

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 -1640384
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 1640385 can be divided by 16 positive divisors. The sum of these divisors (counting 1640385) is 1, the average is 0.0625.

Base conversion 1640385

Base System Value
2 Binary 110010000011111000001
3 Ternary 10002100012000
4 Quaternary 12100133001
5 Quinary 404443020
6 Senary 55054213
8 Octal 6203701
10 Decimal 1640385
12 Duodecimal 671369
16 Hexadecimal 1907c1
20 Vigesimal a50j5
36 Base36 z5q9

Cryptographic Hash Functions

md5 ef42ef0b8127a7a7bc6a2b578cb3eff1
sha1 0419c4266ef04523c2fbba216389c88c197f6948
sha256 eae0d2109781106d467dac19ba8f5203b0774b4b32334ee2f1e96e28106a220d
sha512 449b4d66f5d7061640fc24d46d93dcfa07bb26e51609eda3041771835229a90b156ee12d7705cce98a14225cf94a0b9ea2ea2543b634bedf2ba65f50dcebf69a
ripemd-160 551a74f95335f1394f84011f9dc71931ca5a5da0

1640385 as geometric shapes

Circle

Radius = n
Diameter 3280770
Circumference 10306842.930118
Area 8453595269960.6

Sphere

Radius = n
Volume 1.8489534502552E+19
Surface area 33814381079843
Circumference 10306842.930118

Square

Length = n
Perimeter 6561540
Area 2690862948225
Diagonal 2319854.7145134

Cube

Length = n
Surface area 16145177689350
Volume 4414051217324066625
Space diagonal 2841230.1639739

Equilateral Triangle

Length = n
Perimeter 4921155
Area 1165177835632.6
Altitude 1420615.0819869

Triangular Pyramid

Length = n
Surface area 1165177835632.6
Volume 5.2020092471243E+17
Height 773284.9048378