644328369 (number)

644328369 is an odd 9-digits composite number following 644328368 and preceding 644328370. In scientific notation, it is written as 6.44328369 × 10^8. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 425256480 positive integers (up to 644328369) that are relatively prime to 644328369.

Interesting facts

Basic properties

Name

Name six hundred forty-four million three hundred twenty-eight thousand three hundred sixty-nine

Notation

Scientific notation 6.44328369 × 10^8
Engineering notation 6.44328369 × 10^6

Prime Factorization of 644328369

Prime Factorization 9 × 199 × 229 × 1571

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 644328369
Product of the distinct prime numbers

The prime factorization of 644328369 is 9 × 199 × 229 × 1571. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 3, 23, 86, 622, 980, 6994, 480, 4200, 29501, 908415, 899367, 5459139, 4355067, 97061319, 73389788, 194014970, 583834002, 1889589042, 9692602455

Basic calculations (n = 644328369)

Multiplication

n×y
n×2 1288656738
n×3 1932985107
n×4 2577313476
n×5 3221641845

Division

n÷y
n÷2 322164184.5
n÷3 214776123
n÷3 161082092.25
n÷5 128865673.8

Exponentiation

ny
n2 415159047098200161
n3 2.6749875169238E+26
n4 1.7235703438749E+35
n5 1.1105452685257E+44

Nth Root

y√n
2√n 25383.624032041
3√n 863.71226031193
4√n 159.3223902408
5√n 57.785842647049

Divisors of 644328369

1, 9, 199, 229, 1571, 1791, 2061, 14139, 45571, 312629, 359759, 410139, 2813661, 3237831, 71592041, 644328369

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 -644328368
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 644328369 can be divided by 16 positive divisors. The sum of these divisors (counting 644328369) is 1, the average is 0.0625.

Base conversion 644328369

Base System Value
2 Binary 100110011001111010101110110001
3 Ternary 1122220102021100200
4 Quaternary 212121322232301
5 Quinary 2304422001434
6 Senary 143534105413
8 Octal 4631725661
10 Decimal 644328369
12 Duodecimal 15b94b269
16 Hexadecimal 2667abb1
20 Vigesimal a1710i9
36 Base36 anm6y9

Cryptographic Hash Functions

md5 effb82ede48d67beb5073bdcd737193a
sha1 702e67b6a77e809c7180a5a8f4b5725cf1467b80
sha256 d7739649c5cc8eaaf5224bbf098bbcca4493606030dbfd786b25d4988dfc59c0
sha512 89ad128d4e7da6e3baf656dc318a1507c2f0f2f7e0b2ddb81e9978dd850b591054635503d2efcf49a3fbf4e375b61af4c5fd998540c031b04a24e558778b4f3c
ripemd-160 1f166f707a72cc85bb470bd44d3eb9c5f9a981e2

644328369 as geometric shapes

Circle

Radius = n
Diameter 1288656738
Circumference 4048434541.0998
Area 1.304260612435E+18

Sphere

Radius = n
Volume 1.1204961508816E+27
Surface area 5.2170424497402E+18
Circumference 4048434541.0998

Square

Length = n
Perimeter 2577313476
Area 415159047098200161
Diagonal 911217918.06154

Cube

Length = n
Surface area 2490954282589200966
Volume 2.6749875169238E+26
Space diagonal 1116009471.866

Equilateral Triangle

Length = n
Perimeter 1932985107
Area 1.7976914069899E+17
Altitude 558004735.93299

Triangular Pyramid

Length = n
Surface area 1.7976914069899E+17
Volume 3.1525030213436E+25
Height 303739306.02051