644328394 (number)

644328394 is an even 9-digits composite number following 644328393 and preceding 644328395. In scientific notation, it is written as 6.44328394 × 10^8. The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors. There are 307481328 positive integers (up to 644328394) that are relatively prime to 644328394.

Interesting facts

Basic properties

Name

Name six hundred forty-four million three hundred twenty-eight thousand three hundred ninety-four

Notation

Scientific notation 6.44328394 × 10^8
Engineering notation 6.44328394 × 10^6

Prime Factorization of 644328394

Prime Factorization 2 × 23 × 463 × 30253

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 644328394
Product of the distinct prime numbers

The prime factorization of 644328394 is 2 × 23 × 463 × 30253. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 5, 20, 5, 203, 895, 8608, 7068, 68294, 22745, 909307, 211077, 201613, 1621916, 94518075, 88518878, 974646876, 643495821, 7279904218, 3489309460

Basic calculations (n = 644328394)

Multiplication

n×y
n×2 1288656788
n×3 1932985182
n×4 2577313576
n×5 3221641970

Division

n÷y
n÷2 322164197
n÷3 214776131.33333
n÷3 161082098.5
n÷5 128865678.8

Exponentiation

ny
n2 415159079314619236
n3 2.6749878282931E+26
n4 1.7235706113736E+35
n5 1.110545483972E+44

Nth Root

y√n
2√n 25383.624524484
3√n 863.71227148263
4√n 159.32239178623
5√n 57.785843095468

Divisors of 644328394

1, 2, 23, 46, 463, 926, 10649, 21298, 30253, 60506, 695819, 1391638, 14007139, 28014278, 322164197, 644328394

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 -644328393
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 644328394 can be divided by 16 positive divisors. The sum of these divisors (counting 644328394) is 1, the average is 0.0625.

Base conversion 644328394

Base System Value
2 Binary 100110011001111010101111001010
3 Ternary 1122220102021101121
4 Quaternary 212121322233022
5 Quinary 2304422002034
6 Senary 143534105454
8 Octal 4631725712
10 Decimal 644328394
12 Duodecimal 15b94b28a
16 Hexadecimal 2667abca
20 Vigesimal a1710je
36 Base36 anm6yy

Cryptographic Hash Functions

md5 8a166dd2458c973a1f95e64c1fb5d205
sha1 8732ab966d6ae92851b9c0dcd7c7c9b0aa45f649
sha256 6a506a9c8d59395ecaf2c9b874e052f0fbb297034f9b9805e1c5d8e084e840db
sha512 00fefc96f473133fda800504d9d37a87cacf845636e1f35ed0f629f2556437fb1bda4cbfeafb97a2a57e8d5d357bdedb63546b3097ef99f4b4ed93f8600823f8
ripemd-160 540efead2cd15ecac53244743e52d9fc8b2cce19

644328394 as geometric shapes

Circle

Radius = n
Diameter 1288656788
Circumference 4048434698.1794
Area 1.3042607136459E+18

Sphere

Radius = n
Volume 1.1204962813077E+27
Surface area 5.2170428545836E+18
Circumference 4048434698.1794

Square

Length = n
Perimeter 2577313576
Area 415159079314619236
Diagonal 911217953.41688

Cube

Length = n
Surface area 2490954475887715416
Volume 2.6749878282931E+26
Space diagonal 1116009515.1673

Equilateral Triangle

Length = n
Perimeter 1932985182
Area 1.7976915464911E+17
Altitude 558004757.58363

Triangular Pyramid

Length = n
Surface area 1.7976915464911E+17
Volume 3.1525033882958E+25
Height 303739317.80563