643483721 (number)

643483721 is an odd 9-digits composite number following 643483720 and preceding 643483722. In scientific notation, it is written as 6.43483721 × 10^8. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 620919040 positive integers (up to 643483721) that are relatively prime to 643483721.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.43483721 × 10^8
Engineering notation 6.43483721 × 10^6

Prime Factorization of 643483721

Prime Factorization 47 × 71 × 192833

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 643483721
Product of the distinct prime numbers

The prime factorization of 643483721 is 47 × 71 × 192833. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 643483721)

Multiplication

n×y
n×2 1286967442
n×3 1930451163
n×4 2573934884
n×5 3217418605

Division

n÷y
n÷2 321741860.5
n÷3 214494573.66667
n÷3 160870930.25
n÷5 128696744.2

Exponentiation

ny
n2 414071299192005841
n3 2.6644814036338E+26
n4 1.7145504081456E+35
n5 1.1032852764756E+44

Nth Root

y√n
2√n 25366.980920086
3√n 863.33468272806
4√n 159.2701507505
5√n 57.770684441331

Divisors of 643483721

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 -643483720
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 643483721 can be divided by 8 positive divisors. The sum of these divisors (counting 643483721) is 1, the average is 0.125.

Base conversion 643483721

Base System Value
2 Binary 100110010110101100100001001001
3 Ternary 1122211211100201102
4 Quaternary 212112230201021
5 Quinary 2304212434341
6 Senary 143504031145
8 Octal 4626544111
10 Decimal 643483721
12 Duodecimal 15b6024b5
16 Hexadecimal 265ac849
20 Vigesimal a11f961
36 Base36 an437t

Cryptographic Hash Functions

md5 b5145396084a96230a59de873811a345
sha1 debe02c0c773ab309e2c84d669541a1996cfc260
sha256 5f803a5e56b3743822e3a68721ed55d7c7448508040d079226192e166f485590
sha512 a644077e2307f4a955562950767b5738afc5f5c6c2481569a88748d9960aca4b6887b2675e37e93f92a107baec17dca9a1f2d4b4b23c1b0903500e3352c0a414
ripemd-160 dcf4d49788662fe8734f8b6b0d9318e7238b68a7

643483721 as geometric shapes

Circle

Radius = n
Diameter 1286967442
Circumference 4043127461.1964
Area 1.300843351604E+18

Sphere

Radius = n
Volume 1.1160953604377E+27
Surface area 5.2033734064159E+18
Circumference 4043127461.1964

Square

Length = n
Perimeter 2573934884
Area 414071299192005841
Diagonal 910023405.4045

Cube

Length = n
Surface area 2484427795152035046
Volume 2.6644814036338E+26
Space diagonal 1114546498.6155

Equilateral Triangle

Length = n
Perimeter 1930451163
Area 1.7929813203915E+17
Altitude 557273249.30774

Triangular Pyramid

Length = n
Surface area 1.7929813203915E+17
Volume 3.1401214480915E+25
Height 303341135.13483