6643721 (number)

6643721 is an odd 7-digits composite number following 6643720 and preceding 6643722. In scientific notation, it is written as 6.643721 × 10^6. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 5680080 positive integers (up to 6643721) that are relatively prime to 6643721.

Interesting facts

Basic properties

Name

Name six million six hundred forty-three thousand seven hundred twenty-one

Notation

Scientific notation 6.643721 × 10^6
Engineering notation 6.643721 × 10^6

Prime Factorization of 6643721

Prime Factorization 7 × 491 × 1933

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 6643721
Product of the distinct prime numbers

The prime factorization of 6643721 is 7 × 491 × 1933. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 6643721)

Multiplication

n×y
n×2 13287442
n×3 19931163
n×4 26574884
n×5 33218605

Division

n÷y
n÷2 3321860.5
n÷3 2214573.6666667
n÷3 1660930.25
n÷5 1328744.2

Exponentiation

ny
n2 44139028725841
n3 2.9324739206547E+20
n4 1.9482538568606E+27
n5 1.2943655062156E+34

Nth Root

y√n
2√n 2577.5416582473
3√n 187.99103058159
4√n 50.769495351513
5√n 23.14633728101

Divisors of 6643721

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 -6643720
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 6643721 can be divided by 8 positive divisors. The sum of these divisors (counting 6643721) is 1, the average is 0.125.

Base conversion 6643721

Base System Value
2 Binary 11001010110000000001001
3 Ternary 110111112110202
4 Quaternary 121112000021
5 Quinary 3200044341
6 Senary 354221545
8 Octal 31260011
10 Decimal 6643721
12 Duodecimal 22848b5
16 Hexadecimal 656009
20 Vigesimal 21a961
36 Base36 3yebt

Cryptographic Hash Functions

md5 7df85458480c39cc62e6e0d180b27989
sha1 4e0080376f6d0943aba09224c4e35cb9bfa23f8d
sha256 5c37eb69e4a2337379a2f5f26be9ddfd0ecfc46993969c5a99f67a8d6c231124
sha512 4a0555737200da0cd27d879cd9c87389fa8f3f1e33c2cb7b3542f7f41cde751be7106cf9bceece54430ef80d13e9d34aad17cecf6ec9f4477b4630961119986f
ripemd-160 8182ced2c5399557463945825cdadfc0a56a03d7

6643721 as geometric shapes

Circle

Radius = n
Diameter 13287442
Circumference 41743730.1722
Area 1.3866684838169E+14

Sphere

Radius = n
Volume 1.228351803463E+21
Surface area 5.5466739352676E+14
Circumference 41743730.1722

Square

Length = n
Perimeter 26574884
Area 44139028725841
Diagonal 9395640.3428229

Cube

Length = n
Surface area 264834172355046
Volume 2.9324739206547E+20
Space diagonal 11507262.323312

Equilateral Triangle

Length = n
Perimeter 19931163
Area 19112760087475
Altitude 5753631.1616562

Triangular Pyramid

Length = n
Surface area 19112760087475
Volume 3.4559536582461E+19
Height 3131880.1142743