6643921 (number)

6643921 is an odd 7-digits composite number following 6643920 and preceding 6643922. In scientific notation, it is written as 6.643921 × 10^6. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 6417840 positive integers (up to 6643921) that are relatively prime to 6643921.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.643921 × 10^6
Engineering notation 6.643921 × 10^6

Prime Factorization of 6643921

Prime Factorization 3551 × 1871

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 6643921
Product of the distinct prime numbers

The prime factorization of 6643921 is 3551 × 1871. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 6643921)

Multiplication

n×y
n×2 13287842
n×3 19931763
n×4 26575684
n×5 33219605

Division

n÷y
n÷2 3321960.5
n÷3 2214640.3333333
n÷3 1660980.25
n÷5 1328784.2

Exponentiation

ny
n2 44141686254241
n3 2.9327387627996E+20
n4 1.9484884653678E+27
n5 1.2945603433315E+34

Nth Root

y√n
2√n 2577.5804546124
3√n 187.99291696568
4√n 50.769877433498
5√n 23.146476637004

Divisors of 6643921

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -6643920
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 6643921 can be divided by 4 positive divisors. The sum of these divisors (counting 6643921) is 1, the average is 0.25.

Base conversion 6643921

Base System Value
2 Binary 11001010110000011010001
3 Ternary 110111112202011
4 Quaternary 121112003101
5 Quinary 3200101141
6 Senary 354222521
8 Octal 31260321
10 Decimal 6643921
12 Duodecimal 2284a41
16 Hexadecimal 6560d1
20 Vigesimal 21a9g1
36 Base36 3yehd

Cryptographic Hash Functions

md5 7ecc5ae447db7b797bfe06529af85fd2
sha1 2d11e5fb1bcd18e12b3dff40b85c9f913b7b1b69
sha256 9a1c42c5b68147089264e78a4dd0c55e6f4eb67161e4d3a67ea8c43c5444f99c
sha512 5c1a11c3d6da9647a82111a6c56663ef75f76bf8becf731fd5226ee33c843204e304cd1748505e6a38f356dd2108cbc7322194b2fb5d42a114a9a51a11d389c0
ripemd-160 0aadc0b37d0dc9b923294e7267b0ec5a4c982d0d

6643921 as geometric shapes

Circle

Radius = n
Diameter 13287842
Circumference 41744986.809262
Area 1.3867519725339E+14

Sphere

Radius = n
Volume 1.2284627402812E+21
Surface area 5.5470078901356E+14
Circumference 41744986.809262

Square

Length = n
Perimeter 26575684
Area 44141686254241
Diagonal 9395923.1855354

Cube

Length = n
Surface area 264850117525446
Volume 2.9327387627996E+20
Space diagonal 11507608.733474

Equilateral Triangle

Length = n
Perimeter 19931763
Area 19113910831028
Altitude 5753804.3667369

Triangular Pyramid

Length = n
Surface area 19113910831028
Volume 3.4562657777071E+19
Height 3131974.3951785