643669872 (number)

643669872 is an even 9-digits composite number following 643669871 and preceding 643669873. In scientific notation, it is written as 6.43669872 × 10^8. The sum of its digits is 51. It has a total of 6 prime factors and 20 positive divisors. There are 214556608 positive integers (up to 643669872) that are relatively prime to 643669872.

Interesting facts

Basic properties

Name

Name six hundred forty-three million six hundred sixty-nine thousand eight hundred seventy-two

Notation

Scientific notation 6.43669872 × 10^8
Engineering notation 6.43669872 × 10^6

Prime Factorization of 643669872

Prime Factorization 2 × 2 × 2 × 2 × 3 × 13409789

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 80458734
Product of the distinct prime numbers

The prime factorization of 643669872 is 2 × 2 × 2 × 2 × 3 × 13409789. Since it has a total of 6 prime factors.

Most popular turbo-numbers

9, 2, 77, 53, 358, 188, 7293, 5499, 38307, 48091, 319830, 378831, 5955046, 9518544, 41633863, 21323575, 693950879, 792468780, 537587009, 5302772439

Basic calculations (n = 643669872)

Multiplication

n×y
n×2 1287339744
n×3 1931009616
n×4 2574679488
n×5 3218349360

Division

n÷y
n÷2 321834936
n÷3 214556624
n÷3 160917468
n÷5 128733974.4

Exponentiation

ny
n2 414310904120496384
n3 2.6667944662344E+26
n4 1.7165352527314E+35
n5 1.1048820264091E+44

Nth Root

y√n
2√n 25370.649814303
3√n 863.41792498923
4√n 159.28166816776
5√n 57.774026507693

Divisors of 643669872

1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 13409789, 26819578, 40229367, 53639156, 80458734, 107278312, 160917468, 214556624, 321834936, 643669872

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -643669871
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 643669872 can be divided by 20 positive divisors. The sum of these divisors (counting 643669872) is 1, the average is 0.05.

Base conversion 643669872

Base System Value
2 Binary 100110010111011001111101110000
3 Ternary 1122212011211001220
4 Quaternary 212113121331300
5 Quinary 2304234413442
6 Senary 143512025040
8 Octal 4627317560
10 Decimal 643669872
12 Duodecimal 15b692180
16 Hexadecimal 265d9f70
20 Vigesimal a12iedc
36 Base36 an82uo

Cryptographic Hash Functions

md5 d8f77bba62c1b4b1e3613965b9446f16
sha1 ffa989bd35bbd2014363b75d6a7802fe2ddd92a8
sha256 aca48db5dd17ff09c35a5085a76bd4ea3d1afb27fe5dcbaef781cb789691afc0
sha512 0d764fdcfa3864703b2c27678d6684d65b2e55fb2151616c01efdb62a4964dbb634a5cd48c73286eeb284b13fe42306818662b9b1bf4fe63cd3ace77e40d20f9
ripemd-160 11679035b41062cb48609cf9823d62847efd340c

643669872 as geometric shapes

Circle

Radius = n
Diameter 1287339744
Circumference 4044297082.4246
Area 1.3015960926871E+18

Sphere

Radius = n
Volume 1.1170642538341E+27
Surface area 5.2063843707484E+18
Circumference 4044297082.4246

Square

Length = n
Perimeter 2574679488
Area 414310904120496384
Diagonal 910286662.67335

Cube

Length = n
Surface area 2485865424722978304
Volume 2.6667944662344E+26
Space diagonal 1114868921.6054

Equilateral Triangle

Length = n
Perimeter 1931009616
Area 1.7940188401662E+17
Altitude 557434460.80268

Triangular Pyramid

Length = n
Surface area 1.7940188401662E+17
Volume 3.1428474185086E+25
Height 303428887.55778