643669865 (number)

643669865 is an odd 9-digits composite number following 643669864 and preceding 643669866. In scientific notation, it is written as 6.43669865 × 10^8. The sum of its digits is 53. It has a total of 4 prime factors and 16 positive divisors. There are 494131200 positive integers (up to 643669865) that are relatively prime to 643669865.

Interesting facts

Basic properties

Name

Name six hundred forty-three million six hundred sixty-nine thousand eight hundred sixty-five

Notation

Scientific notation 6.43669865 × 10^8
Engineering notation 6.43669865 × 10^6

Prime Factorization of 643669865

Prime Factorization 5 × 61 × 41 × 51473

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 643669865
Product of the distinct prime numbers

The prime factorization of 643669865 is 5 × 61 × 41 × 51473. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 3, 68, 30, 810, 359, 1400, 6246, 47730, 48182, 850398, 504513, 3158681, 5585207, 58761609, 65774066, 349357234, 604425888, 6639454055, 7360398278

Basic calculations (n = 643669865)

Multiplication

n×y
n×2 1287339730
n×3 1931009595
n×4 2574679460
n×5 3218349325

Division

n÷y
n÷2 321834932.5
n÷3 214556621.66667
n÷3 160917466.25
n÷5 128733973

Exponentiation

ny
n2 414310895109118225
n3 2.6667943792292E+26
n4 1.7165351780612E+35
n5 1.1048819663304E+44

Nth Root

y√n
2√n 25370.649676348
3√n 863.4179218593
4√n 159.2816677347
5√n 57.774026382033

Divisors of 643669865

1, 5, 41, 61, 205, 305, 2501, 12505, 51473, 257365, 2110393, 3139853, 10551965, 15699265, 128733973, 643669865

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -643669864
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 643669865 can be divided by 16 positive divisors. The sum of these divisors (counting 643669865) is 1, the average is 0.0625.

Base conversion 643669865

Base System Value
2 Binary 100110010111011001111101101001
3 Ternary 1122212011211001122
4 Quaternary 212113121331221
5 Quinary 2304234413430
6 Senary 143512025025
8 Octal 4627317551
10 Decimal 643669865
12 Duodecimal 15b692175
16 Hexadecimal 265d9f69
20 Vigesimal a12ied5
36 Base36 an82uh

Cryptographic Hash Functions

md5 a7f6c1edf44028c86630676755ba6a19
sha1 8108f88527106c404162a9accd8f0b56cf417495
sha256 65d426ed093338abb808b9ae2e04d1749e033b2c62c8df1fefa3df93310070e3
sha512 a1edff8f5d479bf736b41c76ef0975597690cd6837e5db9937521a23b26b0cd611b8c0abe1cc325d21ffffed469ad30203deddc3aee720ab704f38a73ef6f91c
ripemd-160 94692e25e3dd42c91b9f8e4d9003fc5bcfa37484

643669865 as geometric shapes

Circle

Radius = n
Diameter 1287339730
Circumference 4044297038.4423
Area 1.301596064377E+18

Sphere

Radius = n
Volume 1.1170642173894E+27
Surface area 5.2063842575081E+18
Circumference 4044297038.4423

Square

Length = n
Perimeter 2574679460
Area 414310895109118225
Diagonal 910286652.77386

Cube

Length = n
Surface area 2485865370654709350
Volume 2.6667943792292E+26
Space diagonal 1114868909.481

Equilateral Triangle

Length = n
Perimeter 1931009595
Area 1.7940188011458E+17
Altitude 557434454.7405

Triangular Pyramid

Length = n
Surface area 1.7940188011458E+17
Volume 3.1428473159718E+25
Height 303428884.25795