1640644 (number)

1640644 is an even 7-digits composite number following 1640643 and preceding 1640645. In scientific notation, it is written as 1.640644 × 10^6. The sum of its digits is 25. It has a total of 5 prime factors and 24 positive divisors. There are 780000 positive integers (up to 1640644) that are relatively prime to 1640644.

Interesting facts

Basic properties

Name

Name one million six hundred forty thousand six hundred forty-four

Notation

Scientific notation 1.640644 × 10^6
Engineering notation 1.640644 × 10^6

Prime Factorization of 1640644

Prime Factorization 2 × 2 × 31 × 101 × 131

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 820322
Product of the distinct prime numbers

The prime factorization of 1640644 is 2 × 2 × 31 × 101 × 131. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 9, 83, 100, 179, 353, 9572, 2484, 49082, 24545, 383782, 765444, 5801065, 1970331, 96894545, 42757553, 805967034, 968380821, 1091128103, 5825461121

Basic calculations (n = 1640644)

Multiplication

n×y
n×2 3281288
n×3 4921932
n×4 6562576
n×5 8203220

Division

n÷y
n÷2 820322
n÷3 546881.33333333
n÷3 410161
n÷5 328128.8

Exponentiation

ny
n2 2691712734736
n3 4416142347968209984
n4 7.24531744634E+24
n5 1.1886986596433E+31

Nth Root

y√n
2√n 1280.876262564
3√n 117.94280480107
4√n 35.789331686468
5√n 17.498582560907

Divisors of 1640644

1, 2, 4, 31, 62, 101, 124, 131, 202, 262, 404, 524, 3131, 4061, 6262, 8122, 12524, 13231, 16244, 26462, 52924, 410161, 820322, 1640644

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1640643
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1640644 can be divided by 24 positive divisors. The sum of these divisors (counting 1640644) is 1, the average is 0.041666666666667.

Base conversion 1640644

Base System Value
2 Binary 110010000100011000100
3 Ternary 10002100112121
4 Quaternary 12100203010
5 Quinary 410000034
6 Senary 55055324
8 Octal 6204304
10 Decimal 1640644
12 Duodecimal 671544
16 Hexadecimal 1908c4
20 Vigesimal a51c4
36 Base36 z5xg

Cryptographic Hash Functions

md5 ac32740a16bf5f49dccb818ba4784a6c
sha1 ddf36edeb2c58b472d0aa7854fed0d049f9e69d3
sha256 c567c16750e4606bc3a943464629aa3e793a2ccf50f5e3b6968e16a5292df042
sha512 f039bb813871ea9fccd79d0e6f43ba6dcbbbc38da102191e2cdfa5142391c6175520e498da96b4b6be64ec6c134c94873e4346e485bde491da36e92e29f3fbfa
ripemd-160 f316755dc76795836c3a93503e966a14819b39fe

1640644 as geometric shapes

Circle

Radius = n
Diameter 3281288
Circumference 10308470.275112
Area 8456264953020.7

Sphere

Radius = n
Volume 1.8498293810112E+19
Surface area 33825059812083
Circumference 10308470.275112

Square

Length = n
Perimeter 6562576
Area 2691712734736
Diagonal 2320220.995826

Cube

Length = n
Surface area 16150276408416
Volume 4416142347968209984
Space diagonal 2841678.765133

Equilateral Triangle

Length = n
Perimeter 4921932
Area 1165545803985.7
Altitude 1420839.3825665

Triangular Pyramid

Length = n
Surface area 1165545803985.7
Volume 5.2044736682223E+17
Height 773406.99860868